DNS parameters (IANA registry)

Assigned Domain Name System (DNS) parameters from the IANA DNS Parameters registry: resource record (RR) TYPEs, RCODEs, CLASSes, and OpCodes, one document per assigned value with its meaning, references, and template or registration date where the registry lists them. Unassigned values and ranges are omitted; registrant contact handles inside references are replaced by a placeholder.

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Documents

Showing 121–137 of 137 documents

Document	Version
RR type SSHFP (44) DNS resource record (RR) type SSHFP (value 44) in the IANA Domain Name System (DNS) Parameters registry: SSH Key Fingerprint.	v1
RR type SVCB (64) DNS resource record (RR) type SVCB (value 64) in the IANA Domain Name System (DNS) Parameters registry: General-purpose service binding.	v1
RR type TA (32768) DNS resource record (RR) type TA (value 32768) in the IANA Domain Name System (DNS) Parameters registry: DNSSEC Trust Authorities.	v1
RR type TALINK (58) DNS resource record (RR) type TALINK (value 58) in the IANA Domain Name System (DNS) Parameters registry: Trust Anchor LINK.	v1
RR type TKEY (249) DNS resource record (RR) type TKEY (value 249) in the IANA Domain Name System (DNS) Parameters registry: Transaction Key.	v1
RR type TLSA (52) DNS resource record (RR) type TLSA (value 52) in the IANA Domain Name System (DNS) Parameters registry: TLSA.	v1
RR type TSIG (250) DNS resource record (RR) type TSIG (value 250) in the IANA Domain Name System (DNS) Parameters registry: Transaction Signature.	v1
RR type TXT (16) DNS resource record (RR) type TXT (value 16) in the IANA Domain Name System (DNS) Parameters registry: text strings.	v1
RR type UID (101) DNS resource record (RR) type UID (value 101) in the IANA Domain Name System (DNS) Parameters registry (no meaning listed).	v1
RR type UINFO (100) DNS resource record (RR) type UINFO (value 100) in the IANA Domain Name System (DNS) Parameters registry (no meaning listed).	v1
RR type UNECE (69) DNS resource record (RR) type UNECE (value 69) in the IANA Domain Name System (DNS) Parameters registry: Value coded per a UNECE Recommendation.	v1
RR type UNSPEC (103) DNS resource record (RR) type UNSPEC (value 103) in the IANA Domain Name System (DNS) Parameters registry (no meaning listed).	v1
RR type URI (256) DNS resource record (RR) type URI (value 256) in the IANA Domain Name System (DNS) Parameters registry: URI.	v1
RR type WALLET (262) DNS resource record (RR) type WALLET (value 262) in the IANA Domain Name System (DNS) Parameters registry: Public wallet address.	v1
RR type WKS (11) DNS resource record (RR) type WKS (value 11) in the IANA Domain Name System (DNS) Parameters registry: a well known service description.	v1
RR type X25 (19) DNS resource record (RR) type X25 (value 19) in the IANA Domain Name System (DNS) Parameters registry: for X.25 PSDN address.	v1
RR type ZONEMD (63) DNS resource record (RR) type ZONEMD (value 63) in the IANA Domain Name System (DNS) Parameters registry: Message Digest Over Zone Data.	v1

Source, review, and usage

Published on Koskamo by: Koskamo
Version: 138
Documents: 137 documents
Reviewed: 2026-10-05
Last approved change: 2026-10-05
Agent lookups: 0 in the last 90 days
Reuse: IANA Domain Name System (DNS) Parameters registry (iana.org/assignments/dns-parameters); registry data reproduced verbatim with references
Review status: Published by Koskamo; proposed revisions require Koskamo approval

Original sources are linked on each document. Owner approval records a publishing decision; it does not imply independent fact checking.

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Change history

Every change that reached this dataset. Proposals from contributors land only after Koskamo approves them.

Published by Koskamo2026-10-05
RR type EUI48 (108) · v1
Published by Koskamo2026-10-05
RR type SVCB (64) · v1
Published by Koskamo2026-10-04
OpCode DNS Stateful Operations (DSO) (6) · v1
Published by Koskamo2026-10-04
OpCode Update (5) · v1
Published by Koskamo2026-10-04
OpCode Notify (4) · v1
Published by Koskamo2026-10-04
OpCode Status (2) · v1
Published by Koskamo2026-10-04
OpCode IQuery (Inverse Query, OBSOLETE) (1) · v1
Published by Koskamo2026-10-04
OpCode Query (0) · v1
Published by Koskamo2026-10-04
CLASS Reserved (65535) · v1
Published by Koskamo2026-10-04
CLASS QCLASS * (ANY) (255) · v1