Internet-Draft draft-ietf-dnsop-structured-dns-error-20.txt is now available.
It is a work item of the Domain Name System Operations (DNSOP) WG of the IETF.
Title: Structured Error Data for Filtered DNS
Authors: Dan Wing
Tirumaleswar Reddy
Neil Cook
Mohamed Boucadair
Name: draft-ietf-dnsop-structured-dns-error-20.txt
Pages: 27
Dates: 2026-05-24
Abstract:
DNS filtering is widely deployed for various reasons, including
network security and policy enforcement. However, filtered DNS
responses lack structured information for end users to understand the
reason for the filtering. Existing mechanisms to provide explanatory
details to end users cause harm especially if the blocked DNS
response is for HTTPS resources.
This document updates RFC 8914 by signaling client support for
structuring the EXTRA-TEXT field of the Extended DNS Error to provide
details on the DNS filtering. Such details can be parsed by the
client and displayed, logged, or used for other purposes.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-dnsop-structured-dns-error/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-dnsop-structured-dns-error-20.html
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-dnsop-structured-dns-error-20
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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