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<a name="man.dnssec-checkds"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2>Name</h2>
<p><span class="application">dnssec-checkds</span> &#8212; DNSSEC delegation consistency checking tool</p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="cmdsynopsis"><p><code class="command">dnssec-checkds</code> [<code class="option">-l <em class="replaceable"><code>domain</code></em></code>] [<code class="option">-f <em class="replaceable"><code>file</code></em></code>] [<code class="option">-d <em class="replaceable"><code>dig path</code></em></code>] [<code class="option">-D <em class="replaceable"><code>dsfromkey path</code></em></code>] {zone}</p></div>
<div class="cmdsynopsis"><p><code class="command">dnssec-dsfromkey</code> [<code class="option">-l <em class="replaceable"><code>domain</code></em></code>] [<code class="option">-f <em class="replaceable"><code>file</code></em></code>] [<code class="option">-d <em class="replaceable"><code>dig path</code></em></code>] [<code class="option">-D <em class="replaceable"><code>dsfromkey path</code></em></code>] {zone}</p></div>
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<div class="refsection">
<a name="id-1.14.5.7"></a><h2>DESCRIPTION</h2>
<p><span class="command"><strong>dnssec-checkds</strong></span>
verifies the correctness of Delegation Signer (DS) or DNSSEC
Lookaside Validation (DLV) resource records for keys in a specified
zone.
</p>
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<div class="refsection">
<a name="id-1.14.5.8"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl class="variablelist">
<dt><span class="term">-f <em class="replaceable"><code>file</code></em></span></dt>
<dd><p>
If a <code class="option">file</code> is specified, then the zone is
read from that file to find the DNSKEY records. If not,
then the DNSKEY records for the zone are looked up in the DNS.
</p></dd>
<dt><span class="term">-l <em class="replaceable"><code>domain</code></em></span></dt>
<dd><p>
Check for a DLV record in the specified lookaside domain,
instead of checking for a DS record in the zone's parent.
For example, to check for DLV records for "example.com"
in ISC's DLV zone, use:
<span class="command"><strong>dnssec-checkds -l dlv.isc.org example.com</strong></span>
</p></dd>
<dt><span class="term">-d <em class="replaceable"><code>dig path</code></em></span></dt>
<dd><p>
Specifies a path to a <span class="command"><strong>dig</strong></span> binary. Used
for testing.
</p></dd>
<dt><span class="term">-D <em class="replaceable"><code>dsfromkey path</code></em></span></dt>
<dd><p>
Specifies a path to a <span class="command"><strong>dnssec-dsfromkey</strong></span> binary.
Used for testing.
</p></dd>
</dl></div>
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<div class="refsection">
<a name="id-1.14.5.9"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">dnssec-dsfromkey</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
</p>
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