RFC 8767: Serving Stale Data to Improve DNS Resiliency

This document defines a method (serve-stale) for recursive resolvers to use stale DNS data to avoid outages when authoritative nameservers cannot be reached…

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Outgoing relationships (9 related RFCs)

Updates, Normative reference — RFC 1035: Domain names - implementation and specification
Updates, Normative reference — RFC 1034: Domain names - concepts and facilities
Updates, Normative reference — RFC 2181: Clarifications to the DNS Specification
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Normative reference — RFC 2308: Negative Caching of DNS Queries (DNS NCACHE)
Informative reference — RFC 6891: Extension Mechanisms for DNS (EDNS(0))
Informative reference — RFC 8499: DNS Terminology
Informative reference — RFC 6672: DNAME Redirection in the DNS

Incoming relationships (2 related RFCs)

Normatively referenced by — RFC 8914: Extended DNS Errors
Informatively referenced by — RFC 9520: Negative Caching of DNS Resolution Failures