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55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<p><span class="application">dnssec-verify</span> — DNSSEC zone verification tool</p>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<div class="cmdsynopsis"><p><code class="command">dnssec-verify</code> [<code class="option">-c <em class="replaceable"><code>class</code></em></code>] [<code class="option">-E <em class="replaceable"><code>engine</code></em></code>] [<code class="option">-I <em class="replaceable"><code>input-format</code></em></code>] [<code class="option">-o <em class="replaceable"><code>origin</code></em></code>] [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] [<code class="option">-V</code>] [<code class="option">-x</code>] [<code class="option">-z</code>] {zonefile}</p></div>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<p><span class="command"><strong>dnssec-verify</strong></span>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt verifies that a zone is fully signed for each algorithm found
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt in the DNSKEY RRset for the zone, and that the NSEC / NSEC3
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt chains are complete.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<div class="variablelist"><dl class="variablelist">
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Specifies the DNS class of the zone.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<dt><span class="term">-E <em class="replaceable"><code>engine</code></em></span></dt>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Specifies the cryptographic hardware to use, when applicable.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt When BIND is built with OpenSSL PKCS#11 support, this defaults
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt to the string "pkcs11", which identifies an OpenSSL engine
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt that can drive a cryptographic accelerator or hardware service
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt module. When BIND is built with native PKCS#11 cryptography
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt (--enable-native-pkcs11), it defaults to the path of the PKCS#11
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt provider library specified via "--with-pkcs11".
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<dt><span class="term">-I <em class="replaceable"><code>input-format</code></em></span></dt>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt The format of the input zone file.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Possible formats are <span class="command"><strong>"text"</strong></span> (default)
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt and <span class="command"><strong>"raw"</strong></span>.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt This option is primarily intended to be used for dynamic
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt signed zones so that the dumped zone file in a non-text
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt format containing updates can be verified independently.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt The use of this option does not make much sense for
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt non-dynamic zones.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<dt><span class="term">-o <em class="replaceable"><code>origin</code></em></span></dt>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt The zone origin. If not specified, the name of the zone file
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt is assumed to be the origin.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Sets the debugging level.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Prints version information.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Only verify that the DNSKEY RRset is signed with key-signing
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt keys. Without this flag, it is assumed that the DNSKEY RRset
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt will be signed by all active keys. When this flag is set,
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt it will not be an error if the DNSKEY RRset is not signed
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt by zone-signing keys. This corresponds to the <code class="option">-x</code>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt option in <span class="command"><strong>dnssec-signzone</strong></span>.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt Ignore the KSK flag on the keys when determining whether
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt the zone if correctly signed. Without this flag it is
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt assumed that there will be a non-revoked, self-signed
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt DNSKEY with the KSK flag set for each algorithm and
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt that RRsets other than DNSKEY RRset will be signed with
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt a different DNSKEY without the KSK flag set.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt With this flag set, we only require that for each algorithm,
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt there will be at least one non-revoked, self-signed DNSKEY,
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt regardless of the KSK flag state, and that other RRsets
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt will be signed by a non-revoked key for the same algorithm
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt that includes the self-signed key; the same key may be used
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt for both purposes. This corresponds to the <code class="option">-z</code>
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt option in <span class="command"><strong>dnssec-signzone</strong></span>.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt The file containing the zone to be signed.
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt <span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
55e5c51e661e23e24573db84114a3837817745c9Evan Hunt <em class="citetitle">BIND 9 Administrator Reference Manual</em>,
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