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<title>dnssec-settime</title>
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<tr><th colspan="3" align="center"><span class="application">dnssec-settime</span></th></tr>
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<tr>
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<a accesskey="p" href="man.dnssec-revoke.html">Prev</a> </td>
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<div class="refentry" lang="en">
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<a name="man.dnssec-settime"></a><div class="titlepage"></div>
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<div class="refnamediv">
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<h2>Name</h2>
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<p><span class="application">dnssec-settime</span> — Set the key timing metadata for a DNSSEC key</p>
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</div>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<div class="cmdsynopsis"><p><code class="command">dnssec-settime</code> [<code class="option">-f</code>] [<code class="option">-K <em class="replaceable"><code>directory</code></em></code>] [<code class="option">-P <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-A <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-R <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-I <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-D <em class="replaceable"><code>date/offset</code></em></code>] [<code class="option">-h</code>] [<code class="option">-v <em class="replaceable"><code>level</code></em></code>] [<code class="option">-E <em class="replaceable"><code>engine</code></em></code>] {keyfile}</p></div>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2615924"></a><h2>DESCRIPTION</h2>
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<p><span><strong class="command">dnssec-settime</strong></span>
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reads a DNSSEC private key file and sets the key timing metadata
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as specified by the <code class="option">-P</code>, <code class="option">-A</code>,
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<code class="option">-R</code>, <code class="option">-I</code>, and <code class="option">-D</code>
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options. The metadata can then be used by
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<span><strong class="command">dnssec-signzone</strong></span> or other signing software to
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determine when a key is to be published, whether it should be
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used for signing a zone, etc.
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</p>
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<p>
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If none of these options is set on the command line,
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then <span><strong class="command">dnssec-settime</strong></span> simply prints the key timing
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metadata already stored in the key.
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</p>
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<p>
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When key metadata fields are changed, both files of a key
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pair (<code class="filename">Knnnn.+aaa+iiiii.key</code> and
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<code class="filename">Knnnn.+aaa+iiiii.private</code>) are regenerated.
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Metadata fields are stored in the private file. A human-readable
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description of the metadata is also placed in comments in the key
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file. The private file's permissions are always set to be
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inaccessible to anyone other than the owner (mode 0600).
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2616051"></a><h2>OPTIONS</h2>
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<div class="variablelist"><dl>
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<dt><span class="term">-f</span></dt>
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<dd><p>
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Force an update of an old-format key with no metadata fields.
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Without this option, <span><strong class="command">dnssec-settime</strong></span> will
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fail when attempting to update a legacy key. With this option,
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the key will be recreated in the new format, but with the
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original key data retained. The key's creation date will be
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set to the present time. If no other values are specified,
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then the key's publication and activation dates will also
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be set to the present time.
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</p></dd>
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<dt><span class="term">-K <em class="replaceable"><code>directory</code></em></span></dt>
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<dd><p>
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Sets the directory in which the key files are to reside.
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</p></dd>
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<dt><span class="term">-h</span></dt>
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<dd><p>
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Emit usage message and exit.
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</p></dd>
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<dt><span class="term">-v <em class="replaceable"><code>level</code></em></span></dt>
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<dd><p>
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Sets the debugging level.
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</p></dd>
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<dt><span class="term">-E <em class="replaceable"><code>engine</code></em></span></dt>
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<dd><p>
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Use the given OpenSSL engine. When compiled with PKCS#11 support
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it defaults to pkcs11; the empty name resets it to no engine.
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</p></dd>
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</dl></div>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2616145"></a><h2>TIMING OPTIONS</h2>
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<p>
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Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS.
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If the argument begins with a '+' or '-', it is interpreted as
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an offset from the present time. For convenience, if such an offset
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is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi',
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then the offset is computed in years (defined as 365 24-hour days,
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ignoring leap years), months (defined as 30 24-hour days), weeks,
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days, hours, or minutes, respectively. Without a suffix, the offset
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is computed in seconds. To unset a date, use 'none'.
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</p>
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<div class="variablelist"><dl>
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<dt><span class="term">-P <em class="replaceable"><code>date/offset</code></em></span></dt>
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<dd><p>
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Sets the date on which a key is to be published to the zone.
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After that date, the key will be included in the zone but will
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not be used to sign it.
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</p></dd>
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<dt><span class="term">-A <em class="replaceable"><code>date/offset</code></em></span></dt>
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<dd><p>
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Sets the date on which the key is to be activated. After that
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date, the key will be included in the zone and used to sign
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it.
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</p></dd>
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<dt><span class="term">-R <em class="replaceable"><code>date/offset</code></em></span></dt>
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<dd><p>
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Sets the date on which the key is to be revoked. After that
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date, the key will be flagged as revoked. It will be included
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in the zone and will be used to sign it.
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</p></dd>
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<dt><span class="term">-I <em class="replaceable"><code>date/offset</code></em></span></dt>
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<dd><p>
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Sets the date on which the key is to be retired. After that
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date, the key will still be included in the zone, but it
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will not be used to sign it.
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</p></dd>
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<dt><span class="term">-D <em class="replaceable"><code>date/offset</code></em></span></dt>
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<dd><p>
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Sets the date on which the key is to be deleted. After that
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date, the key will no longer be included in the zone. (It
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may remain in the key repository, however.)
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</p></dd>
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<dt><span class="term">-S <em class="replaceable"><code>predecessor key</code></em></span></dt>
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<dd><p>
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Select a key for which the key being modified will be an
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explicit successor. The name, algorithm, size, and type of the
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predecessor key must exactly match those of the key being
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modified. The activation date of the successor key will be set
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to the inactivation date of the predecessor. The publication
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date will be set to the activation date minus the prepublication
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interval, which defaults to 30 days.
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</p></dd>
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<dt><span class="term">-i <em class="replaceable"><code>interval</code></em></span></dt>
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<dd>
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<p>
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Sets the prepublication interval for a key. If set, then
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the publication and activation dates must be separated by at least
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this much time. If the activation date is specified but the
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publication date isn't, then the publication date will default
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to this much time before the activation date; conversely, if
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the publication date is specified but activation date isn't,
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then activation will be set to this much time after publication.
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</p>
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<p>
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If the key is being set to be an explicit successor to another
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key, then the default prepublication interval is 30 days;
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otherwise it is zero.
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</p>
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<p>
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As with date offsets, if the argument is followed by one of
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the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the
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interval is measured in years, months, weeks, days, hours,
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or minutes, respectively. Without a suffix, the interval is
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measured in seconds.
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</p>
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</dd>
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</dl></div>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2616488"></a><h2>PRINTING OPTIONS</h2>
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<p>
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<span><strong class="command">dnssec-settime</strong></span> can also be used to print the
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timing metadata associated with a key.
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</p>
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<div class="variablelist"><dl>
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<dt><span class="term">-u</span></dt>
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<dd><p>
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Print times in UNIX epoch format.
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</p></dd>
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<dt><span class="term">-p <em class="replaceable"><code>C/P/A/R/I/D/all</code></em></span></dt>
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<dd><p>
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Print a specific metadata value or set of metadata values.
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The <code class="option">-p</code> option may be followed by one or more
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of the following letters to indicate which value or values to print:
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<code class="option">C</code> for the creation date,
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<code class="option">P</code> for the publication date,
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<code class="option">A</code> for the activation date,
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<code class="option">R</code> for the revocation date,
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<code class="option">I</code> for the inactivation date, or
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<code class="option">D</code> for the deletion date.
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To print all of the metadata, use <code class="option">-p all</code>.
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</p></dd>
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</dl></div>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2616636"></a><h2>SEE ALSO</h2>
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<p><span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>,
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<span class="citerefentry"><span class="refentrytitle">dnssec-signzone</span>(8)</span>,
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<em class="citetitle">BIND 9 Administrator Reference Manual</em>,
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<em class="citetitle">RFC 5011</em>.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id2617693"></a><h2>AUTHOR</h2>
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<p><span class="corpauthor">Internet Systems Consortium</span>
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</p>
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