TKEY record

Updated on Oct 11, 2024

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TKEY (transaction key) is a record type of the Domain Name System. TKEY RRs can used in number of different modes to establish shared keys between a DNS resolver and server.

Mode field values

0 - Reserved

1 - Server assignment

2 - Diffie-Hellman exchange

3 - Generic Security Service Algorithm for Secret Key Transaction

4 - Resolver assignment

5 - key deletion

6–65534 - available

65535 - reserved;

References

TKEY record Wikipedia

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