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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
Discuss this RFC: Send questions or comments to the mailing listdnsop@ietf.org
Other actions:View Errata | Submit Errata | Find IPR Disclosures from the IETF | View History of RFC 9619
Abstract
This document updates RFC 1035 by constraining the allowed value ofthe QDCOUNT parameter in DNS messages with OPCODE = 0 (QUERY) to amaximum of one, and it specifies the required behavior when valuesthat are not allowed are encountered.
For the definition ofStatus,seeRFC 2026.
For the definition ofStream, seeRFC 8729.