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42<div class="refentry" lang="en">
43<a name="man.dnssec-verify"></a><div class="titlepage"></div>
44<div class="refnamediv">
45<h2>Name</h2>
46<p><span class="application">dnssec-verify</span> &#8212; DNSSEC zone verification tool</p>
47</div>
48<div class="refsynopsisdiv">
49<h2>Synopsis</h2>
50<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>
51</div>
52<div class="refsect1" lang="en">
53<a name="id2643219"></a><h2>DESCRIPTION</h2>
54<p><span><strong class="command">dnssec-verify</strong></span>
55      verifies that a zone is fully signed for each algorithm found
56      in the DNSKEY RRset for the zone, and that the NSEC / NSEC3
57      chains are complete.
58    </p>
59</div>
60<div class="refsect1" lang="en">
61<a name="id2643233"></a><h2>OPTIONS</h2>
62<div class="variablelist"><dl>
63<dt><span class="term">-c <em class="replaceable"><code>class</code></em></span></dt>
64<dd><p>
65            Specifies the DNS class of the zone.
66          </p></dd>
67<dt><span class="term">-E <em class="replaceable"><code>engine</code></em></span></dt>
68<dd>
69<p>
70            Specifies the cryptographic hardware to use, when applicable.
71          </p>
72<p>
73            When BIND is built with OpenSSL PKCS#11 support, this defaults
74            to the string "pkcs11", which identifies an OpenSSL engine
75            that can drive a cryptographic accelerator or hardware service
76            module.  When BIND is built with native PKCS#11 cryptography
77            (--enable-native-pkcs11), it defaults to the path of the PKCS#11
78            provider library specified via "--with-pkcs11".
79          </p>
80</dd>
81<dt><span class="term">-I <em class="replaceable"><code>input-format</code></em></span></dt>
82<dd><p>
83            The format of the input zone file.
84	    Possible formats are <span><strong class="command">"text"</strong></span> (default)
85	    and <span><strong class="command">"raw"</strong></span>.
86	    This option is primarily intended to be used for dynamic
87            signed zones so that the dumped zone file in a non-text
88            format containing updates can be verified independently.
89	    The use of this option does not make much sense for
90	    non-dynamic zones.
91          </p></dd>
92<dt><span class="term">-o <em class="replaceable"><code>origin</code></em></span></dt>
93<dd><p>
94            The zone origin.  If not specified, the name of the zone file
95            is assumed to be the origin.
96          </p></dd>
97<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
98<dd><p>
99            Sets the debugging level.
100          </p></dd>
101<dt><span class="term">-V</span></dt>
102<dd><p>
103	    Prints version information.
104	  </p></dd>
105<dt><span class="term">-x</span></dt>
106<dd><p>
107            Only verify that the DNSKEY RRset is signed with key-signing
108            keys.  Without this flag, it is assumed that the DNSKEY RRset
109            will be signed by all active keys.  When this flag is set,
110            it will not be an error if the DNSKEY RRset is not signed
111            by zone-signing keys.  This corresponds to the <code class="option">-x</code>
112            option in <span><strong class="command">dnssec-signzone</strong></span>.
113          </p></dd>
114<dt><span class="term">-z</span></dt>
115<dd>
116<p>
117	    Ignore the KSK flag on the keys when determining whether
118            the zone if correctly signed.  Without this flag it is
119	    assumed that there will be a non-revoked, self-signed
120	    DNSKEY with the KSK flag set for each algorithm and
121	    that RRsets other than DNSKEY RRset will be signed with
122            a different DNSKEY without the KSK flag set.
123	  </p>
124<p>
125	    With this flag set, we only require that for each algorithm,
126            there will be at least one non-revoked, self-signed DNSKEY,
127            regardless of the KSK flag state, and that other RRsets
128	    will be signed by a non-revoked key for the same algorithm
129            that includes the self-signed key; the same key may be used
130            for both purposes.  This corresponds to the <code class="option">-z</code>
131            option in <span><strong class="command">dnssec-signzone</strong></span>.
132	  </p>
133</dd>
134<dt><span class="term">zonefile</span></dt>
135<dd><p>
136            The file containing the zone to be signed.
137          </p></dd>
138</dl></div>
139</div>
140<div class="refsect1" lang="en">
141<a name="id2643416"></a><h2>SEE ALSO</h2>
142<p>
143      <span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
144      <em class="citetitle">BIND 9 Administrator Reference Manual</em>,
145      <em class="citetitle">RFC 4033</em>.
146    </p>
147</div>
148<div class="refsect1" lang="en">
149<a name="id2643646"></a><h2>AUTHOR</h2>
150<p><span class="corpauthor">Internet Systems Consortium</span>
151    </p>
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