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In the DNS, QDCOUNT is (usually) One

Document Type Replaced Internet-Draft (dnsop WG)
Expired & archived
Authors Ray Bellis , Joe Abley
Last updated 2023-10-12 (Latest revision 2023-09-28)
Replaced by draft-ietf-dnsop-qdcount-is-one
RFC stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Additional resources GitHub Repository
Mailing list discussion
Stream WG state Adopted by a WG
Document shepherd (None)
IESG IESG state Replaced by draft-ietf-dnsop-qdcount-is-one
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document clarifies the allowable values of the QDCOUNT parameter in DNS messages with OPCODE = 0 (QUERY) and specifies the required behaviour when values that are not allowed are encountered.


Ray Bellis
Joe Abley

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)