RFC 9619
In the DNS, QDCOUNT Is (Usually) One, July 2024
- File formats:
- 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.