RFC 9619

In the DNS, QDCOUNT Is (Usually) One, July 2024

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Also available: XML file for editing
 
Status:
PROPOSED STANDARD
Updates:
RFC 1035
Authors:
R. Bellis
J. Abley
Stream:
IETF
Source:
dnsop (ops)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC9619

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Abstract

This document updates RFC 1035 by constraining the allowed value of the QDCOUNT parameter in DNS messages with OPCODE = 0 (QUERY) to a maximum of one, and it specifies the required behavior when values that are not allowed are encountered.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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