Bv9ARM.ch09.html revision 2152b79896eee9112e4e830a4e44c3d9a29e3108
b0e8629055a766d4555a005a283c2889a5974945Mark Andrews - Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC")
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - Copyright (C) 2000-2003 Internet Software Consortium.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - Permission to use, copy, modify, and distribute this software for any
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - purpose with or without fee is hereby granted, provided that the above
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - copyright notice and this permission notice appear in all copies.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews - PERFORMANCE OF THIS SOFTWARE.
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5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<tr><th colspan="3" align="center">Appendix�A.�Appendices</th></tr>
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5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<td width="20%" align="right">�<a accesskey="n" href="Bv9ARM.ch10.html">Next</a>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h2 class="title">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="Bv9ARM.ch09"></a>Appendix�A.�Appendices</h2></div></div></div>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2597741">Acknowledgments</a></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch09.html#historical_dns_information">A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym></a></span></dt></dl></dd>
a057e8e33baa5fa369be28a9680585200ce3ff73Mark Andrews<dt><span class="sect1"><a href="Bv9ARM.ch09.html#id2597981">General <acronym class="acronym">DNS</acronym> Reference Information</a></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dd><dl><dt><span class="sect2"><a href="Bv9ARM.ch09.html#ipv6addresses">IPv6 addresses (AAAA)</a></span></dt></dl></dd>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="sect1"><a href="Bv9ARM.ch09.html#bibliography">Bibliography (and Suggested Reading)</a></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="sect2"><a href="Bv9ARM.ch09.html#rfcs">Request for Comments (RFCs)</a></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="sect2"><a href="Bv9ARM.ch09.html#internet_drafts">Internet Drafts</a></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<dt><span class="sect2"><a href="Bv9ARM.ch09.html#id2601330">Other Documents About <acronym class="acronym">BIND</acronym></a></span></dt>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h2 class="title" style="clear: both">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="id2597741"></a>Acknowledgments</h2></div></div></div>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h3 class="title">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="historical_dns_information"></a>A Brief History of the <acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Although the "official" beginning of the Domain Name
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews System occurred in 1984 with the publication of RFC 920, the
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews core of the new system was described in 1983 in RFCs 882 and
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews 883. From 1984 to 1987, the ARPAnet (the precursor to today's
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Internet) became a testbed of experimentation for developing the
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews new naming/addressing scheme in a rapidly expanding,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews operational network environment. New RFCs were written and
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews published in 1987 that modified the original documents to
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews incorporate improvements based on the working model. RFC 1034,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews "Domain Names-Concepts and Facilities", and RFC 1035, "Domain
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Names-Implementation and Specification" were published and
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews became the standards upon which all <acronym class="acronym">DNS</acronym> implementations are
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews The first working domain name server, called "Jeeves", was
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews written in 1983-84 by Paul Mockapetris for operation on DEC
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews machines located at the University of Southern California's
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Sciences Institute (USC-ISI) and SRI International's Network
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Center (SRI-NIC). A <acronym class="acronym">DNS</acronym> server for
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Unix machines, the Berkeley Internet
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Name Domain (<acronym class="acronym">BIND</acronym>) package, was
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews written soon after by a group of
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews graduate students at the University of California at Berkeley
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews a grant from the US Defense Advanced Research Projects
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Administration
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Versions of <acronym class="acronym">BIND</acronym> through
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews 4.8.3 were maintained by the Computer
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Systems Research Group (CSRG) at UC Berkeley. Douglas Terry, Mark
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Painter, David Riggle and Songnian Zhou made up the initial <acronym class="acronym">BIND</acronym>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews project team. After that, additional work on the software package
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews was done by Ralph Campbell. Kevin Dunlap, a Digital Equipment
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews employee on loan to the CSRG, worked on <acronym class="acronym">BIND</acronym> for 2 years, from 1985
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews to 1987. Many other people also contributed to <acronym class="acronym">BIND</acronym> development
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews during that time: Doug Kingston, Craig Partridge, Smoot
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Carl-Mitchell,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Mike Muuss, Jim Bloom and Mike Schwartz. <acronym class="acronym">BIND</acronym> maintenance was subsequently
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews handled by Mike Karels and �ivind Kure.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <acronym class="acronym">BIND</acronym> versions 4.9 and 4.9.1 were
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews released by Digital Equipment
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Corporation (now Compaq Computer Corporation). Paul Vixie, then
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews a DEC employee, became <acronym class="acronym">BIND</acronym>'s
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews primary caretaker. He was assisted
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews by Phil Almquist, Robert Elz, Alan Barrett, Paul Albitz, Bryan
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Beecher, Andrew
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Partan, Andy Cherenson, Tom Limoncelli, Berthold Paffrath, Fuat
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Baran, Anant Kumar, Art Harkin, Win Treese, Don Lewis, Christophe
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Wolfhugel, and others.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews In 1994, <acronym class="acronym">BIND</acronym> version 4.9.2 was sponsored by
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Vixie Enterprises. Paul
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Vixie became <acronym class="acronym">BIND</acronym>'s principal
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <acronym class="acronym">BIND</acronym> versions from 4.9.3 onward
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews have been developed and maintained
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews by the Internet Systems Consortium and its predecessor,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews the Internet Software Consortium, with support being provided
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews by ISC's sponsors.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Paul Vixie released the first production-ready version of
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <acronym class="acronym">BIND</acronym> version 8 in May 1997.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews BIND version 9 was released in September 2000 and is a
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews major rewrite of nearly all aspects of the underlying
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews BIND architecture.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews BIND version 4 is officially deprecated and BIND version
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews 8 development is considered maintenance-only in favor
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews of BIND version 9. No additional development is done
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews on BIND version 4 or BIND version 8 other than for
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews security-related patches.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <acronym class="acronym">BIND</acronym> development work is made
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews possible today by the sponsorship
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews of several corporations, and by the tireless work efforts of
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews numerous individuals.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h2 class="title" style="clear: both">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="id2597981"></a>General <acronym class="acronym">DNS</acronym> Reference Information</h2></div></div></div>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h3 class="title">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="ipv6addresses"></a>IPv6 addresses (AAAA)</h3></div></div></div>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews IPv6 addresses are 128-bit identifiers for interfaces and
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews sets of interfaces which were introduced in the <acronym class="acronym">DNS</acronym> to facilitate
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews scalable Internet routing. There are three types of addresses: <span class="emphasis"><em>Unicast</em></span>,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews an identifier for a single interface;
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <span class="emphasis"><em>Anycast</em></span>,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews an identifier for a set of interfaces; and <span class="emphasis"><em>Multicast</em></span>,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews an identifier for a set of interfaces. Here we describe the global
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Unicast address scheme. For more information, see RFC 3587,
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews "Global Unicast Address Format."
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews IPv6 unicast addresses consist of a
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <span class="emphasis"><em>global routing prefix</em></span>, a
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <span class="emphasis"><em>subnet identifier</em></span>, and an
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <span class="emphasis"><em>interface identifier</em></span>.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews The global routing prefix is provided by the
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews upstream provider or ISP, and (roughly) corresponds to the
a057e8e33baa5fa369be28a9680585200ce3ff73Mark Andrews IPv4 <span class="emphasis"><em>network</em></span> section
a057e8e33baa5fa369be28a9680585200ce3ff73Mark Andrews of the address range.
a057e8e33baa5fa369be28a9680585200ce3ff73Mark Andrews The subnet identifier is for local subnetting, much the
a057e8e33baa5fa369be28a9680585200ce3ff73Mark Andrews same as subnetting an
a057e8e33baa5fa369be28a9680585200ce3ff73Mark Andrews IPv4 /16 network into /24 subnets.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews The interface identifier is the address of an individual
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews interface on a given network; in IPv6, addresses belong to
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews interfaces rather than to machines.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews The subnetting capability of IPv6 is much more flexible than
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews that of IPv4: subnetting can be carried out on bit boundaries,
b0e8629055a766d4555a005a283c2889a5974945Mark Andrews in much the same way as Classless InterDomain Routing
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews (CIDR), and the DNS PTR representation ("nibble" format)
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews makes setting up reverse zones easier.
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews The Interface Identifier must be unique on the local link,
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews and is usually generated automatically by the IPv6
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews implementation, although it is usually possible to
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews override the default setting if necessary. A typical IPv6
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews address might look like:
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews <span><strong class="command">2001:db8:201:9:a00:20ff:fe81:2b32</strong></span>
057cafaa3df7be7a6dcca71fbaf8fb498fd83518Mark Andrews IPv6 address specifications often contain long strings
b0e8629055a766d4555a005a283c2889a5974945Mark Andrews of zeros, so the architects have included a shorthand for
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews them. The double colon (`::') indicates the longest possible
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews of zeros that can fit, and can be used only once in an address.
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h2 class="title" style="clear: both">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="bibliography"></a>Bibliography (and Suggested Reading)</h2></div></div></div>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<div class="titlepage"><div><div><h3 class="title">
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews<a name="rfcs"></a>Request for Comments (RFCs)</h3></div></div></div>
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Specification documents for the Internet protocol suite, including
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews the <acronym class="acronym">DNS</acronym>, are published as part of
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews the Request for Comments (RFCs)
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews series of technical notes. The standards themselves are defined
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews by the Internet Engineering Task Force (IETF) and the Internet
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews Engineering Steering Group (IESG). RFCs can be obtained online via FTP at:
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews <a href="ftp://www.isi.edu/in-notes/" target="_top">
4abdfc917e6635a7c81d1f931a0c79227e72d025Mark Andrews ftp://www.isi.edu/in-notes/RFC<em class="replaceable"><code>xxxx</code></em>.txt
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews (where <em class="replaceable"><code>xxxx</code></em> is
5a4557e8de2951a2796676b5ec4b6a90caa5be14Mark Andrews the number of the RFC). RFCs are also available via the Web at:
<a name="id2598248"></a><p>[<abbr class="abbrev">RFC974</abbr>] <span class="author"><span class="firstname">C.</span> <span class="surname">Partridge</span>. </span><span class="title"><i>Mail Routing and the Domain System</i>. </span><span class="pubdate">January 1986. </span></p>
<a name="id2598272"></a><p>[<abbr class="abbrev">RFC1034</abbr>] <span class="author"><span class="firstname">P.V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>Domain Names — Concepts and Facilities</i>. </span><span class="pubdate">November 1987. </span></p>
<a name="id2598295"></a><p>[<abbr class="abbrev">RFC1035</abbr>] <span class="author"><span class="firstname">P. V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>Domain Names — Implementation and
<a name="id2598331"></a><p>[<abbr class="abbrev">RFC2181</abbr>] <span class="author"><span class="firstname">R., R. Bush</span> <span class="surname">Elz</span>. </span><span class="title"><i>Clarifications to the <acronym class="acronym">DNS</acronym>
<a name="id2598358"></a><p>[<abbr class="abbrev">RFC2308</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Andrews</span>. </span><span class="title"><i>Negative Caching of <acronym class="acronym">DNS</acronym>
<a name="id2598384"></a><p>[<abbr class="abbrev">RFC1995</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Ohta</span>. </span><span class="title"><i>Incremental Zone Transfer in <acronym class="acronym">DNS</acronym></i>. </span><span class="pubdate">August 1996. </span></p>
<a name="id2598408"></a><p>[<abbr class="abbrev">RFC1996</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>A Mechanism for Prompt Notification of Zone Changes</i>. </span><span class="pubdate">August 1996. </span></p>
<a name="id2598432"></a><p>[<abbr class="abbrev">RFC2136</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">S.</span> <span class="surname">Thomson</span>, <span class="firstname">Y.</span> <span class="surname">Rekhter</span>, and <span class="firstname">J.</span> <span class="surname">Bound</span>. </span><span class="title"><i>Dynamic Updates in the Domain Name System</i>. </span><span class="pubdate">April 1997. </span></p>
<a name="id2598487"></a><p>[<abbr class="abbrev">RFC2671</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Extension Mechanisms for DNS (EDNS0)</i>. </span><span class="pubdate">August 1997. </span></p>
<a name="id2598514"></a><p>[<abbr class="abbrev">RFC2672</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span>. </span><span class="title"><i>Non-Terminal DNS Name Redirection</i>. </span><span class="pubdate">August 1999. </span></p>
<a name="id2598540"></a><p>[<abbr class="abbrev">RFC2845</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>, <span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>, and <span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Secret Key Transaction Authentication for <acronym class="acronym">DNS</acronym> (TSIG)</i>. </span><span class="pubdate">May 2000. </span></p>
<a name="id2598602"></a><p>[<abbr class="abbrev">RFC2930</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Secret Key Establishment for DNS (TKEY RR)</i>. </span><span class="pubdate">September 2000. </span></p>
<a name="id2598632"></a><p>[<abbr class="abbrev">RFC2931</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>DNS Request and Transaction Signatures (SIG(0)s)</i>. </span><span class="pubdate">September 2000. </span></p>
<a name="id2598662"></a><p>[<abbr class="abbrev">RFC3007</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Secure Domain Name System (DNS) Dynamic Update</i>. </span><span class="pubdate">November 2000. </span></p>
<a name="id2598689"></a><p>[<abbr class="abbrev">RFC3645</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Kwan</span>, <span class="firstname">P.</span> <span class="surname">Garg</span>, <span class="firstname">J.</span> <span class="surname">Gilroy</span>, <span class="firstname">L.</span> <span class="surname">Esibov</span>, <span class="firstname">J.</span> <span class="surname">Westhead</span>, and <span class="firstname">R.</span> <span class="surname">Hall</span>. </span><span class="title"><i>Generic Security Service Algorithm for Secret
<a name="id2598771"></a><p>[<abbr class="abbrev">RFC3225</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Conrad</span>. </span><span class="title"><i>Indicating Resolver Support of DNSSEC</i>. </span><span class="pubdate">December 2001. </span></p>
<a name="id2598866"></a><p>[<abbr class="abbrev">RFC3833</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Atkins</span> and <span class="firstname">R.</span> <span class="surname">Austein</span>. </span><span class="title"><i>Threat Analysis of the Domain Name System (DNS)</i>. </span><span class="pubdate">August 2004. </span></p>
<a name="id2598902"></a><p>[<abbr class="abbrev">RFC4033</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>DNS Security Introduction and Requirements</i>. </span><span class="pubdate">March 2005. </span></p>
<a name="id2598967"></a><p>[<abbr class="abbrev">RFC4044</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Resource Records for the DNS Security Extensions</i>. </span><span class="pubdate">March 2005. </span></p>
<a name="id2599032"></a><p>[<abbr class="abbrev">RFC4035</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Arends</span>, <span class="firstname">R.</span> <span class="surname">Austein</span>, <span class="firstname">M.</span> <span class="surname">Larson</span>, <span class="firstname">D.</span> <span class="surname">Massey</span>, and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Protocol Modifications for the DNS
<a name="id2599106"></a><p>[<abbr class="abbrev">RFC1535</abbr>] <span class="author"><span class="firstname">E.</span> <span class="surname">Gavron</span>. </span><span class="title"><i>A Security Problem and Proposed Correction With Widely
Deployed <acronym class="acronym">DNS</acronym> Software.</i>. </span><span class="pubdate">October 1993. </span></p>
<a name="id2599131"></a><p>[<abbr class="abbrev">RFC1536</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Kumar</span>, <span class="firstname">J.</span> <span class="surname">Postel</span>, <span class="firstname">C.</span> <span class="surname">Neuman</span>, <span class="firstname">P.</span> <span class="surname">Danzig</span>, and <span class="firstname">S.</span> <span class="surname">Miller</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Implementation
<a name="id2599200"></a><p>[<abbr class="abbrev">RFC1982</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Elz</span> and <span class="firstname">R.</span> <span class="surname">Bush</span>. </span><span class="title"><i>Serial Number Arithmetic</i>. </span><span class="pubdate">August 1996. </span></p>
<a name="id2599235"></a><p>[<abbr class="abbrev">RFC4074</abbr>] <span class="authorgroup"><span class="firstname">Y.</span> <span class="surname">Morishita</span> and <span class="firstname">T.</span> <span class="surname">Jinmei</span>. </span><span class="title"><i>Common Misbehaviour Against <acronym class="acronym">DNS</acronym>
<a name="id2599281"></a><p>[<abbr class="abbrev">RFC1183</abbr>] <span class="authorgroup"><span class="firstname">C.F.</span> <span class="surname">Everhart</span>, <span class="firstname">L. A.</span> <span class="surname">Mamakos</span>, <span class="firstname">R.</span> <span class="surname">Ullmann</span>, and <span class="firstname">P.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i>New <acronym class="acronym">DNS</acronym> RR Definitions</i>. </span><span class="pubdate">October 1990. </span></p>
<a name="id2599338"></a><p>[<abbr class="abbrev">RFC1706</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Manning</span> and <span class="firstname">R.</span> <span class="surname">Colella</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> NSAP Resource Records</i>. </span><span class="pubdate">October 1994. </span></p>
<a name="id2599376"></a><p>[<abbr class="abbrev">RFC2168</abbr>] <span class="authorgroup"><span class="firstname">R.</span> <span class="surname">Daniel</span> and <span class="firstname">M.</span> <span class="surname">Mealling</span>. </span><span class="title"><i>Resolution of Uniform Resource Identifiers using
<a name="id2599411"></a><p>[<abbr class="abbrev">RFC1876</abbr>] <span class="authorgroup"><span class="firstname">C.</span> <span class="surname">Davis</span>, <span class="firstname">P.</span> <span class="surname">Vixie</span>, <span class="firstname">T.</span>, and <span class="firstname">I.</span> <span class="surname">Dickinson</span>. </span><span class="title"><i>A Means for Expressing Location Information in the
<a name="id2599465"></a><p>[<abbr class="abbrev">RFC2052</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Gulbrandsen</span> and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>A <acronym class="acronym">DNS</acronym> RR for Specifying the
<a name="id2599504"></a><p>[<abbr class="abbrev">RFC2163</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Allocchio</span>. </span><span class="title"><i>Using the Internet <acronym class="acronym">DNS</acronym> to
<a name="id2599529"></a><p>[<abbr class="abbrev">RFC2230</abbr>] <span class="author"><span class="firstname">R.</span> <span class="surname">Atkinson</span>. </span><span class="title"><i>Key Exchange Delegation Record for the <acronym class="acronym">DNS</acronym></i>. </span><span class="pubdate">October 1997. </span></p>
<a name="id2599555"></a><p>[<abbr class="abbrev">RFC2536</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>DSA KEYs and SIGs in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p>
<a name="id2599581"></a><p>[<abbr class="abbrev">RFC2537</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p>
<a name="id2599608"></a><p>[<abbr class="abbrev">RFC2538</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span> and <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Storing Certificates in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p>
<a name="id2599648"></a><p>[<abbr class="abbrev">RFC2539</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Storage of Diffie-Hellman Keys in the Domain Name System (DNS)</i>. </span><span class="pubdate">March 1999. </span></p>
<a name="id2599677"></a><p>[<abbr class="abbrev">RFC2540</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Detached Domain Name System (DNS) Information</i>. </span><span class="pubdate">March 1999. </span></p>
<a name="id2599707"></a><p>[<abbr class="abbrev">RFC2782</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Gulbrandsen</span>. </span><span class="author"><span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="author"><span class="firstname">L.</span> <span class="surname">Esibov</span>. </span><span class="title"><i>A DNS RR for specifying the location of services (DNS SRV)</i>. </span><span class="pubdate">February 2000. </span></p>
<a name="id2599750"></a><p>[<abbr class="abbrev">RFC2915</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Mealling</span>. </span><span class="author"><span class="firstname">R.</span> <span class="surname">Daniel</span>. </span><span class="title"><i>The Naming Authority Pointer (NAPTR) DNS Resource Record</i>. </span><span class="pubdate">September 2000. </span></p>
<a name="id2599783"></a><p>[<abbr class="abbrev">RFC3110</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)</i>. </span><span class="pubdate">May 2001. </span></p>
<a name="id2599810"></a><p>[<abbr class="abbrev">RFC3123</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Koch</span>. </span><span class="title"><i>A DNS RR Type for Lists of Address Prefixes (APL RR)</i>. </span><span class="pubdate">June 2001. </span></p>
<a name="id2599833"></a><p>[<abbr class="abbrev">RFC3596</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Thomson</span>, <span class="firstname">C.</span> <span class="surname">Huitema</span>, <span class="firstname">V.</span> <span class="surname">Ksinant</span>, and <span class="firstname">M.</span> <span class="surname">Souissi</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Extensions to support IP
<a name="id2599891"></a><p>[<abbr class="abbrev">RFC3597</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Gustafsson</span>. </span><span class="title"><i>Handling of Unknown DNS Resource Record (RR) Types</i>. </span><span class="pubdate">September 2003. </span></p>
<a name="id2599923"></a><p>[<abbr class="abbrev">RFC1101</abbr>] <span class="author"><span class="firstname">P. V.</span> <span class="surname">Mockapetris</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Encoding of Network Names
<a name="id2599948"></a><p>[<abbr class="abbrev">RFC1123</abbr>] <span class="author"><span class="surname">Braden</span>. </span><span class="title"><i>Requirements for Internet Hosts - Application and
<a name="id2599971"></a><p>[<abbr class="abbrev">RFC1591</abbr>] <span class="author"><span class="firstname">J.</span> <span class="surname">Postel</span>. </span><span class="title"><i>Domain Name System Structure and Delegation</i>. </span><span class="pubdate">March 1994. </span></p>
<a name="id2599994"></a><p>[<abbr class="abbrev">RFC2317</abbr>] <span class="authorgroup"><span class="firstname">H.</span> <span class="surname">Eidnes</span>, <span class="firstname">G.</span> <span class="surname">de Groot</span>, and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Classless IN-ADDR.ARPA Delegation</i>. </span><span class="pubdate">March 1998. </span></p>
<a name="id2600040"></a><p>[<abbr class="abbrev">RFC2826</abbr>] <span class="authorgroup"><span class="surname">Internet Architecture Board</span>. </span><span class="title"><i>IAB Technical Comment on the Unique DNS Root</i>. </span><span class="pubdate">May 2000. </span></p>
<a name="id2600064"></a><p>[<abbr class="abbrev">RFC2929</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>, <span class="firstname">E.</span> <span class="surname">Brunner-Williams</span>, and <span class="firstname">B.</span> <span class="surname">Manning</span>. </span><span class="title"><i>Domain Name System (DNS) IANA Considerations</i>. </span><span class="pubdate">September 2000. </span></p>
<a name="id2600121"></a><p>[<abbr class="abbrev">RFC1033</abbr>] <span class="author"><span class="firstname">M.</span> <span class="surname">Lottor</span>. </span><span class="title"><i>Domain administrators operations guide.</i>. </span><span class="pubdate">November 1987. </span></p>
<a name="id2600145"></a><p>[<abbr class="abbrev">RFC1537</abbr>] <span class="author"><span class="firstname">P.</span> <span class="surname">Beertema</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Data File
<a name="id2600171"></a><p>[<abbr class="abbrev">RFC1912</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Barr</span>. </span><span class="title"><i>Common <acronym class="acronym">DNS</acronym> Operational and
<a name="id2600198"></a><p>[<abbr class="abbrev">RFC2010</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Manning</span> and <span class="firstname">P.</span> <span class="surname">Vixie</span>. </span><span class="title"><i>Operational Criteria for Root Name Servers.</i>. </span><span class="pubdate">October 1996. </span></p>
<a name="id2600234"></a><p>[<abbr class="abbrev">RFC2219</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Hamilton</span> and <span class="firstname">R.</span> <span class="surname">Wright</span>. </span><span class="title"><i>Use of <acronym class="acronym">DNS</acronym> Aliases for
<a name="id2600280"></a><p>[<abbr class="abbrev">RFC2825</abbr>] <span class="authorgroup"><span class="surname">IAB</span> and <span class="firstname">R.</span> <span class="surname">Daigle</span>. </span><span class="title"><i>A Tangled Web: Issues of I18N, Domain Names,
<a name="id2600312"></a><p>[<abbr class="abbrev">RFC3490</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Faltstrom</span>, <span class="firstname">P.</span> <span class="surname">Hoffman</span>, and <span class="firstname">A.</span> <span class="surname">Costello</span>. </span><span class="title"><i>Internationalizing Domain Names in Applications (IDNA)</i>. </span><span class="pubdate">March 2003. </span></p>
<a name="id2600358"></a><p>[<abbr class="abbrev">RFC3491</abbr>] <span class="authorgroup"><span class="firstname">P.</span> <span class="surname">Hoffman</span> and <span class="firstname">M.</span> <span class="surname">Blanchet</span>. </span><span class="title"><i>Nameprep: A Stringprep Profile for Internationalized Domain Names</i>. </span><span class="pubdate">March 2003. </span></p>
<a name="id2600393"></a><p>[<abbr class="abbrev">RFC3492</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Costello</span>. </span><span class="title"><i>Punycode: A Bootstring encoding of Unicode
<a name="id2600438"></a><p>[<abbr class="abbrev">RFC1464</abbr>] <span class="author"><span class="firstname">R.</span> <span class="surname">Rosenbaum</span>. </span><span class="title"><i>Using the Domain Name System To Store Arbitrary String
<a name="id2600460"></a><p>[<abbr class="abbrev">RFC1713</abbr>] <span class="author"><span class="firstname">A.</span> <span class="surname">Romao</span>. </span><span class="title"><i>Tools for <acronym class="acronym">DNS</acronym> Debugging</i>. </span><span class="pubdate">November 1994. </span></p>
<a name="id2600554"></a><p>[<abbr class="abbrev">RFC1794</abbr>] <span class="author"><span class="firstname">T.</span> <span class="surname">Brisco</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Support for Load
<a name="id2600580"></a><p>[<abbr class="abbrev">RFC2240</abbr>] <span class="author"><span class="firstname">O.</span> <span class="surname">Vaughan</span>. </span><span class="title"><i>A Legal Basis for Domain Name Allocation</i>. </span><span class="pubdate">November 1997. </span></p>
<a name="id2600603"></a><p>[<abbr class="abbrev">RFC2345</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Klensin</span>, <span class="firstname">T.</span> <span class="surname">Wolf</span>, and <span class="firstname">G.</span> <span class="surname">Oglesby</span>. </span><span class="title"><i>Domain Names and Company Name Retrieval</i>. </span><span class="pubdate">May 1998. </span></p>
<a name="id2600649"></a><p>[<abbr class="abbrev">RFC2352</abbr>] <span class="author"><span class="firstname">O.</span> <span class="surname">Vaughan</span>. </span><span class="title"><i>A Convention For Using Legal Names as Domain Names</i>. </span><span class="pubdate">May 1998. </span></p>
<a name="id2600673"></a><p>[<abbr class="abbrev">RFC3071</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Klensin</span>. </span><span class="title"><i>Reflections on the DNS, RFC 1591, and Categories of Domains</i>. </span><span class="pubdate">February 2001. </span></p>
<a name="id2600699"></a><p>[<abbr class="abbrev">RFC3258</abbr>] <span class="authorgroup"><span class="firstname">T.</span> <span class="surname">Hardie</span>. </span><span class="title"><i>Distributing Authoritative Name Servers via
<a name="id2600725"></a><p>[<abbr class="abbrev">RFC3901</abbr>] <span class="authorgroup"><span class="firstname">A.</span> <span class="surname">Durand</span> and <span class="firstname">J.</span> <span class="surname">Ihren</span>. </span><span class="title"><i>DNS IPv6 Transport Operational Guidelines</i>. </span><span class="pubdate">September 2004. </span></p>
<a name="id2600769"></a><p>[<abbr class="abbrev">RFC1712</abbr>] <span class="authorgroup"><span class="firstname">C.</span> <span class="surname">Farrell</span>, <span class="firstname">M.</span> <span class="surname">Schulze</span>, <span class="firstname">S.</span> <span class="surname">Pleitner</span>, and <span class="firstname">D.</span> <span class="surname">Baldoni</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> Encoding of Geographical
<a name="id2600826"></a><p>[<abbr class="abbrev">RFC2673</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span>. </span><span class="title"><i>Binary Labels in the Domain Name System</i>. </span><span class="pubdate">August 1999. </span></p>
<a name="id2600853"></a><p>[<abbr class="abbrev">RFC2874</abbr>] <span class="authorgroup"><span class="firstname">M.</span> <span class="surname">Crawford</span> and <span class="firstname">C.</span> <span class="surname">Huitema</span>. </span><span class="title"><i>DNS Extensions to Support IPv6 Address Aggregation
<a name="id2600901"></a><p>[<abbr class="abbrev">RFC2065</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span> and <span class="firstname">C.</span> <span class="surname">Kaufman</span>. </span><span class="title"><i>Domain Name System Security Extensions</i>. </span><span class="pubdate">January 1997. </span></p>
<a name="id2600940"></a><p>[<abbr class="abbrev">RFC2137</abbr>] <span class="author"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Secure Domain Name System Dynamic Update</i>. </span><span class="pubdate">April 1997. </span></p>
<a name="id2600967"></a><p>[<abbr class="abbrev">RFC2535</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Eastlake</span>, <span class="lineage">3rd</span>. </span><span class="title"><i>Domain Name System Security Extensions</i>. </span><span class="pubdate">March 1999. </span></p>
<a name="id2600997"></a><p>[<abbr class="abbrev">RFC3008</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span>. </span><span class="title"><i>Domain Name System Security (DNSSEC)
<a name="id2601022"></a><p>[<abbr class="abbrev">RFC3090</abbr>] <span class="authorgroup"><span class="firstname">E.</span> <span class="surname">Lewis</span>. </span><span class="title"><i>DNS Security Extension Clarification on Zone Status</i>. </span><span class="pubdate">March 2001. </span></p>
<a name="id2601049"></a><p>[<abbr class="abbrev">RFC3445</abbr>] <span class="authorgroup"><span class="firstname">D.</span> <span class="surname">Massey</span> and <span class="firstname">S.</span> <span class="surname">Rose</span>. </span><span class="title"><i>Limiting the Scope of the KEY Resource Record (RR)</i>. </span><span class="pubdate">December 2002. </span></p>
<a name="id2601085"></a><p>[<abbr class="abbrev">RFC3655</abbr>] <span class="authorgroup"><span class="firstname">B.</span> <span class="surname">Wellington</span> and <span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Redefinition of DNS Authenticated Data (AD) bit</i>. </span><span class="pubdate">November 2003. </span></p>
<a name="id2601122"></a><p>[<abbr class="abbrev">RFC3658</abbr>] <span class="authorgroup"><span class="firstname">O.</span> <span class="surname">Gudmundsson</span>. </span><span class="title"><i>Delegation Signer (DS) Resource Record (RR)</i>. </span><span class="pubdate">December 2003. </span></p>
<a name="id2601148"></a><p>[<abbr class="abbrev">RFC3755</abbr>] <span class="authorgroup"><span class="firstname">S.</span> <span class="surname">Weiler</span>. </span><span class="title"><i>Legacy Resolver Compatibility for Delegation Signer (DS)</i>. </span><span class="pubdate">May 2004. </span></p>
<a name="id2601243"></a><p>[<abbr class="abbrev">RFC3757</abbr>] <span class="authorgroup"><span class="firstname">O.</span> <span class="surname">Kolkman</span>, <span class="firstname">J.</span> <span class="surname">Schlyter</span>, and <span class="firstname">E.</span> <span class="surname">Lewis</span>. </span><span class="title"><i>Domain Name System KEY (DNSKEY) Resource Record
<a name="id2601288"></a><p>[<abbr class="abbrev">RFC3845</abbr>] <span class="authorgroup"><span class="firstname">J.</span> <span class="surname">Schlyter</span>. </span><span class="title"><i>DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format</i>. </span><span class="pubdate">August 2004. </span></p>
<a name="id2601341"></a><p><span class="authorgroup"><span class="firstname">Paul</span> <span class="surname">Albitz</span> and <span class="firstname">Cricket</span> <span class="surname">Liu</span>. </span><span class="title"><i><acronym class="acronym">DNS</acronym> and <acronym class="acronym">BIND</acronym></i>. </span><span class="copyright">Copyright � 1998 Sebastopol, CA: O'Reilly and Associates. </span></p>