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<refentry xmlns:db="http://docbook.org/ns/docbook" version="5.0" xml:id="man.dnssec-checkds">
  <info>
    <date>2013-01-01</date>
  </info>
  <refentryinfo>
    <corpname>ISC</corpname>
    <corpauthor>Internet Systems Consortium, Inc.</corpauthor>
  </refentryinfo>

  <refmeta>
    <refentrytitle><application>dnssec-checkds</application></refentrytitle>
    <manvolnum>8</manvolnum>
    <refmiscinfo>BIND9</refmiscinfo>
  </refmeta>

  <refnamediv>
    <refname><application>dnssec-checkds</application></refname>
    <refpurpose>DNSSEC delegation consistency checking tool</refpurpose>
  </refnamediv>

  <docinfo>
    <copyright>
      <year>2012</year>
      <year>2013</year>
      <year>2014</year>
      <year>2015</year>
      <year>2016</year>
      <year>2017</year>
      <year>2018</year>
      <holder>Internet Systems Consortium, Inc. ("ISC")</holder>
    </copyright>
  </docinfo>

  <refsynopsisdiv>
    <cmdsynopsis sepchar=" ">
      <command>dnssec-checkds</command>
      <arg choice="opt" rep="norepeat"><option>-d <replaceable class="parameter">dig path</replaceable></option></arg>
      <arg choice="opt" rep="norepeat"><option>-D <replaceable class="parameter">dsfromkey path</replaceable></option></arg>
      <arg choice="opt" rep="norepeat"><option>-f <replaceable class="parameter">file</replaceable></option></arg>
      <arg choice="opt" rep="norepeat"><option>-l <replaceable class="parameter">domain</replaceable></option></arg>
      <arg choice="opt" rep="norepeat"><option>-s <replaceable class="parameter">file</replaceable></option></arg>
      <arg choice="req" rep="norepeat">zone</arg>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsection><info><title>DESCRIPTION</title></info>

    <para><command>dnssec-checkds</command>
      verifies the correctness of Delegation Signer (DS) or DNSSEC
      Lookaside Validation (DLV) resource records for keys in a specified
      zone.
    </para>
  </refsection>

  <refsection><info><title>OPTIONS</title></info>


    <variablelist>
      <varlistentry>
        <term>-f <replaceable class="parameter">file</replaceable></term>
        <listitem>
          <para>
            If a <option>file</option> 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.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>-l <replaceable class="parameter">domain</replaceable></term>
        <listitem>
          <para>
            Check for a DLV record in the specified lookaside domain,
            instead of checking for a DS record in the zone's parent.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>-s <replaceable class="parameter">file</replaceable></term>
        <listitem>
          <para>
            Specifies a prepared dsset file, such as would be generated
            by <command>dnssec-signzone</command>, to use as a source for
            the DS RRset instead of querying the parent.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>-d <replaceable class="parameter">dig path</replaceable></term>
        <listitem>
          <para>
            Specifies a path to a <command>dig</command> binary.  Used
            for testing.
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term>-D <replaceable class="parameter">dsfromkey path</replaceable></term>
        <listitem>
          <para>
            Specifies a path to a <command>dnssec-dsfromkey</command> binary.
            Used for testing.
          </para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsection>

  <refsection><info><title>SEE ALSO</title></info>

    <para><citerefentry>
        <refentrytitle>dnssec-dsfromkey</refentrytitle><manvolnum>8</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>dnssec-keygen</refentrytitle><manvolnum>8</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>dnssec-signzone</refentrytitle><manvolnum>8</manvolnum>
      </citerefentry>,
    </para>
  </refsection>

</refentry>
