RFC 9210: DNS Transport over TCP - Operational Requirements

This document updates RFCs 1123 and 1536. This document requires the operational practice of permitting DNS messages to be carried over TCP on the Internet as…

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Outgoing relationships (3 related RFCs)

Updates — RFC 1123: Requirements for Internet Hosts - Application and Support
Updates — RFC 1536: Common DNS Implementation Errors and Suggested Fixes
Informative reference — RFC 6781: DNSSEC Operational Practices, Version 2

Incoming relationships (1 related RFC)

Normatively referenced by — RFC 10001: Operational Guidelines for DNS Transport in Mixed IPv4/IPv6 Environments