BCP 219

RFC 9499

DNS Terminology, March 2024

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Status:
BEST CURRENT PRACTICE
Obsoletes:
RFC 8499
Updates:
RFC 2308
Authors:
P. Hoffman
K. Fujiwara
Stream:
IETF
Source:
dnsop (ops)

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Abstract

The Domain Name System (DNS) is defined in literally dozens of different RFCs. The terminology used by implementers and developers of DNS protocols, and by operators of DNS systems, has changed in the decades since the DNS was first defined. This document gives current definitions for many of the terms used in the DNS in a single document.

This document updates RFC 2308 by clarifying the definitions of "forwarder" and "QNAME". It obsoletes RFC 8499 by adding multiple terms and clarifications. Comprehensive lists of changed and new definitions can be found in Appendices A and B.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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