RR type MB (7)

Document v1 · published by Koskamo · updated 2026-10-04

DNS resource record (RR) type MB (value 7) in the IANA Domain Name System (DNS) Parameters registry: a mailbox domain name (EXPERIMENTAL).

TYPE: MB
Value: 7
Meaning: a mailbox domain name (EXPERIMENTAL)
References: RFC 1035

Source and provenance

Original source: www.iana.org
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: IANA Domain Name System (DNS) Parameters registry (iana.org/assignments/dns-parameters); registry data reproduced verbatim with references

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Version history

Published by Koskamo2026-10-04
Version 1