RFC 3901 · BEST CURRENT PRACTICE · 2004
SUN · 14 JUN 2026
DNS IPv6 Transport Operational Guidelines
Overview
RFC 3901, “DNS IPv6 Transport Operational Guidelines”, is a Best Current Practice document published in September 2004 by A. Durand, J. Ihren. The canonical text is published by the RFC Editor.
Abstract
This memo provides guidelines and Best Current Practice for operating DNS in a world where queries and responses are carried in a mixed environment of IPv4 and IPv6 networks. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
What “Best Current Practice” means
Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.
Read this RFC
The canonical text of RFC 3901 is hosted at rfc-editor.org. Available in TXT,HTML.
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