TKEY record

<h2 id="tkey-record-format">TKEY record format</h2>
TKEY resource record fields<table><tbody><tr><th>Field</th><th>Description</th><th>Length (<a href="/facts/Octet_(computing)/dqCHsuUF">octets</a>)</th></tr><tr><td>NAME</td><td>Key name, which must be unique on client and server</td><td>Variable</td></tr><tr><td>TYPE</td><td>TKEY (249)</td><td>2</td></tr><tr><td>CLASS</td><td>Ignored, should be ANY (255)</td><td>2</td></tr><tr><td>TTL</td><td>Ignored, should be 0</td><td>4</td></tr><tr><td>RDLENGTH</td><td>Length of RDATA field</td><td>2</td></tr><tr><td>RDATA</td><td>Variable-length structure containing the timestamp, algorithm, mode, hash data and error</td><td>Variable, as per RDLENGTH</td></tr></tbody></table>
<h2 id="mode-field-values">Mode field values</h2>
<ul><li>0 – Reserved</li>
<li>1 – Server assignment</li>
<li>2 – <a href="/facts/Diffie%E2%80%93Hellman_key_exchange/xR4YQcaD">Diffie–Hellman key exchange</a></li>
<li>3 – <a href="/facts/Generic_Security_Service_Algorithm_for_Secret_Key_Transaction/VEshbYle">Generic Security Service Algorithm for Secret Key Transaction</a></li>
<li>4 – Resolver assignment</li>
<li>5 – Key deletion</li>
<li>6–65534 – Available</li>
<li>65535 – Reserved</li></ul>
<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/Domain_Name_System/rfxdWFsj">Domain Name System</a></li>
<li><a href="/facts/List_of_DNS_record_types/CgzuvJXy">List of DNS record types</a></li></ul>

<ul><li>RFC <a href="https://datatracker.ietf.org/doc/html/rfc2930">2930</a>, "Secret Key Establishment for DNS (TKEY RR)", D. Eastlake, September 2000</li></ul>

TKEY record open-in-new

TKEY record