DNS Glue Requirements in Referral Responses
RFC 9471

Received changes through RFC Editor sync (created alias RFC 9471, changed abstract to 'The DNS uses glue records to allow iterative clients to find the addresses of name servers that are contained within a delegated zone.  Authoritative servers are expected to return all available glue records for in-domain name servers in a referral response.  If message size constraints prevent the inclusion of all glue records for in-domain name servers, the server must set the TC (Truncated) flag to inform the client that the response is incomplete and that the client should use another transport to retrieve the full response.  This document updates RFC 1034 to clarify correct server behavior.', changed pages to 9, changed standardization level to Proposed Standard, changed state to RFC, added RFC published event at 2023-09-30, changed IESG state to RFC Published, created updates relation between draft-ietf-dnsop-glue-is-not-optional and RFC 1034)