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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 49–72 of 137 documents

DocumentVersion

RR type CDNSKEY (60)

DNS resource record (RR) type CDNSKEY (value 60) in the IANA Domain Name System (DNS) Parameters registry: DNSKEY(s) the Child wants reflected in DS.

v1

RR type CDS (59)

DNS resource record (RR) type CDS (value 59) in the IANA Domain Name System (DNS) Parameters registry: Child DS.

v1

RR type CERT (37)

DNS resource record (RR) type CERT (value 37) in the IANA Domain Name System (DNS) Parameters registry: CERT.

v1

RR type CLA (263)

DNS resource record (RR) type CLA (value 263) in the IANA Domain Name System (DNS) Parameters registry: BP Convergence Layer Adapter.

v1

RR type CNAME (5)

DNS resource record (RR) type CNAME (value 5) in the IANA Domain Name System (DNS) Parameters registry: the canonical name for an alias.

v1

RR type CSYNC (62)

DNS resource record (RR) type CSYNC (value 62) in the IANA Domain Name System (DNS) Parameters registry: Child-To-Parent Synchronization.

v1

RR type DHCID (49)

DNS resource record (RR) type DHCID (value 49) in the IANA Domain Name System (DNS) Parameters registry: DHCID.

v1

RR type DLV (32769)

DNS resource record (RR) type DLV (value 32769) in the IANA Domain Name System (DNS) Parameters registry: DNSSEC Lookaside Validation (OBSOLETE).

v1

RR type DNAME (39)

DNS resource record (RR) type DNAME (value 39) in the IANA Domain Name System (DNS) Parameters registry: DNAME.

v1

RR type DNSKEY (48)

DNS resource record (RR) type DNSKEY (value 48) in the IANA Domain Name System (DNS) Parameters registry: DNSKEY.

v1

RR type DOA (259)

DNS resource record (RR) type DOA (value 259) in the IANA Domain Name System (DNS) Parameters registry: Digital Object Architecture.

v1

RR type DS (43)

DNS resource record (RR) type DS (value 43) in the IANA Domain Name System (DNS) Parameters registry: Delegation Signer.

v1

RR type DSYNC (66)

DNS resource record (RR) type DSYNC (value 66) in the IANA Domain Name System (DNS) Parameters registry: Endpoint discovery for delegation synchronization.

v1

RR type EID (31)

DNS resource record (RR) type EID (value 31) in the IANA Domain Name System (DNS) Parameters registry: Endpoint Identifier.

v1

RR type EUI48 (108)

DNS resource record (RR) type EUI48 (value 108) in the IANA Domain Name System (DNS) Parameters registry: an EUI-48 address.

v1

RR type EUI64 (109)

DNS resource record (RR) type EUI64 (value 109) in the IANA Domain Name System (DNS) Parameters registry: an EUI-64 address.

v1

RR type GID (102)

DNS resource record (RR) type GID (value 102) in the IANA Domain Name System (DNS) Parameters registry (no meaning listed).

v1

RR type GPOS (27)

DNS resource record (RR) type GPOS (value 27) in the IANA Domain Name System (DNS) Parameters registry: Geographical Position.

v1

RR type HHIT (67)

DNS resource record (RR) type HHIT (value 67) in the IANA Domain Name System (DNS) Parameters registry: Hierarchical Host Identity Tag.

v1

RR type HINFO (13)

DNS resource record (RR) type HINFO (value 13) in the IANA Domain Name System (DNS) Parameters registry: host information.

v1

RR type HIP (55)

DNS resource record (RR) type HIP (value 55) in the IANA Domain Name System (DNS) Parameters registry: Host Identity Protocol.

v1

RR type HTTPS (65)

DNS resource record (RR) type HTTPS (value 65) in the IANA Domain Name System (DNS) Parameters registry: SVCB-compatible type for use with HTTP.

v1

RR type IPN (264)

DNS resource record (RR) type IPN (value 264) in the IANA Domain Name System (DNS) Parameters registry: BP Node Number.

v1

RR type IPSECKEY (45)

DNS resource record (RR) type IPSECKEY (value 45) in the IANA Domain Name System (DNS) Parameters registry: IPSECKEY.

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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retrieve request
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Change history

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

  1. Published by Koskamo

    RR type EUI48 (108) · v1

  2. Published by Koskamo

    RR type SVCB (64) · v1

  3. Published by Koskamo

    OpCode DNS Stateful Operations (DSO) (6) · v1

  4. Published by Koskamo

    OpCode Update (5) · v1

  5. Published by Koskamo

    OpCode Notify (4) · v1

  6. Published by Koskamo

    OpCode Status (2) · v1

  7. Published by Koskamo

    OpCode IQuery (Inverse Query, OBSOLETE) (1) · v1

  8. Published by Koskamo

    OpCode Query (0) · v1

  9. Published by Koskamo

    CLASS Reserved (65535) · v1

  10. Published by Koskamo

    CLASS QCLASS * (ANY) (255) · v1