<div class="content"><p> </p><p>The DNS_RPC_RECORD_WKS structure contains the information
for the well known services supported by a host, as defined in section 3.4.2 <span><a href="https://go.microsoft.com/fwlink/?LinkId=90264" data-linktype="external">[RFC1035]</a></span>.
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="32">
  <p>ipAddress</p>
  </td>
 </tr>
 <tr>
  <td colspan="8">
  <p>chProtocol</p>
  </td>
  <td colspan="24">
  <p>bBitMask
  (variable)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
</tbody></table><p><b>ipAddress (4 bytes): </b>The IPv4 address of the
server that provides the service.</p><p><b>chProtocol (1 byte): </b>The IP protocol number as
specified in <span><a href="https://go.microsoft.com/fwlink/?LinkId=89889" data-linktype="external">[IANA-PROTO-NUM]</a></span>.</p><p><b>bBitMask (variable): </b>A list of service names
(specified as &#34;keywords&#34; in the &#34;WELL KNOWN PORT NUMBERS&#34;
section of <span><a href="https://go.microsoft.com/fwlink/?LinkId=89888" data-linktype="external">[IANAPORT]</a></span>) or
port number if service name is unknown as an <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_79fa85ca-ac61-467c-b819-e97dc1a7a599" data-linktype="relative-path">ASCII</a></span> character
string in DNS_RPC_NAME (section <span><a href="3fd41adc-c69e-407b-979e-721251403132" data-linktype="relative-path">2.2.2.2.1</a></span>) format.
If more than one port is listed for a single combination of service name and IP
protocol number, then only the first such port number is indicated when that
service name is used. Each service name or port MUST be separated by a single
space character, and the string MUST be terminated by a single null character.
Each port number specified MUST be less than or equal to 1024. The terminating
null character MUST be included in the <b>cchNameLength</b> field of the
DNS_RPC_NAME (section 2.2.2.2.1) structure. </p></div>