RFC 9520: Negative Caching of DNS Resolution Failures

In the DNS, resolvers employ caching to reduce both latency for end users and load on authoritative name servers. The process of resolution may result in one…

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Outgoing relationships (20 related RFCs)

Updates, Normative reference — RFC 4035: Protocol Modifications for the DNS Security Extensions
Updates, Normative reference — RFC 2308: Negative Caching of DNS Queries (DNS NCACHE)
Updates, Normative reference — RFC 4697: Observed DNS Resolution Misbehavior
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 1035: Domain names - implementation and specification
Normative reference — RFC 1034: Domain names - concepts and facilities
Informative reference — RFC 7858: Specification for DNS over Transport Layer Security (TLS)
Informative reference — RFC 4732: Internet Denial-of-Service Considerations
Informative reference — RFC 8484: DNS Queries over HTTPS (DoH)
Informative reference — RFC 6891: Extension Mechanisms for DNS (EDNS(0))
Informative reference — RFC 9250: DNS over Dedicated QUIC Connections
Informative reference — RFC 7766: DNS Transport over TCP - Implementation Requirements
Informative reference — RFC 882: Domain names: Concepts and facilities
Informative reference — RFC 5452: Measures for Making DNS More Resilient against Forged Answers
Informative reference — RFC 883: Domain names: Implementation specification
Informative reference — RFC 7873: Domain Name System (DNS) Cookies
Informative reference — RFC 8914: Extended DNS Errors
Informative reference — RFC 4686: Analysis of Threats Motivating DomainKeys Identified Mail (DKIM)
Informative reference — RFC 8767: Serving Stale Data to Improve DNS Resiliency

Incoming relationships (1 related RFC)

Informatively referenced by — RFC 9874: Best Practices for Deletion of Domain and Host Objects in the Extensible Provisioning Protocol (EPP)