<div class="content"><p> </p><p>The DNS_RPC_RECORD_RRSIG structure contains information
about cryptographic public key signatures as specified in section 3 of <span><a href="https://go.microsoft.com/fwlink/?LinkId=107052" data-linktype="external">[RFC4034]</a></span>.<a id="Appendix_A_Target_13"></a><a aria-label="Product behavior note 13" href="4a9a3ba3-10eb-430e-b157-1fed0aaf85a5#Appendix_A_13" data-linktype="relative-path">&lt;13&gt;</a> This record MUST be formatted
as follows.</p><table>
 <tbody><tr>
  <th><p><br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>1<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>2<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>3<br/>0</p></th>
  <th><p><br/>1</p></th>
 </tr>
 <tr>
  <td colspan="16">
  <p>wTypeCovered</p>
  </td>
  <td colspan="8">
  <p>chAlgorithm</p>
  </td>
  <td colspan="8">
  <p>chLabelCount</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>dwOriginalTtl</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>dwSigExpiration</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>dwSigInception</p>
  </td>
 </tr>
 <tr>
  <td colspan="16">
  <p>wKeyTag</p>
  </td>
  <td colspan="16">
  <p>nameSigner (variable)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>SignatureInfo
  (variable)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
</tbody></table><p><b>wTypeCovered (2 bytes): </b>The type covered value
for RRSIG RR as specified in section 3.1 of [RFC4034].</p><p><b>chAlgorithm  (1 byte): </b>The algorithm value for
RRSIG RR as specified in section 3.1 of [RFC4034].</p><p><b>chLabelCount (1 byte): </b>The total number of
labels present in the name of the record signed by the RRSIG RR as specified in
section 3.1 of [RFC4034].</p><p><b>dwOriginalTtl (4 bytes): </b>The original <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_185c4181-772d-4458-bb90-ab0e11370a1c" data-linktype="relative-path">TTL</a></span>
value of the record signed by the RRSIG RR as specified in section 3.1 of
[RFC4034].</p><p><b>dwSigExpiration  (4 bytes): </b>The signature
expiration time as specified in section 3.1 of [RFC4034].</p><p><b>dwSigInception  (4 bytes): </b>The signature
inception time as specified in section 3.1 of [RFC4034].</p><p><b>wKeyTag  (2 bytes): </b>The tag value for RRSIG RR
as specified in section 3.1 of [RFC4034].</p><p><b>nameSigner (variable): </b>A structure of type <span><a href="3fd41adc-c69e-407b-979e-721251403132" data-linktype="relative-path">DNS_RPC_NAME</a></span>
(section 2.2.2.2.1) containing the FQDN of the originating host for this
record.</p><p><b>SignatureInfo  (variable): </b>Binary signature
information as specified in section 3.1 of [RFC4034].</p></div>