RFC 5966 · PROPOSED STANDARD · 2010
MON · 14 SEP 2026
DNS Transport over TCP - Implementation Requirements
Overview
RFC 5966, “DNS Transport over TCP - Implementation Requirements”, is a Proposed Standard document published in August 2010 by R. Bellis. It updates RFC 1035, RFC 1123. It has been obsoleted by RFC 7766 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This document updates the requirements for the support of TCP as a transport protocol for DNS implementations. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 5966 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2010
- RFC 5965 An Extensible Format for Email Feedback Reports
- RFC 5967 The application/pkcs10 Media Type
- RFC 5964 Specifying Holes in Location-to-Service Translation Service Boundaries
- RFC 5968 Guidelines for Extending the RTP Control Protocol
- RFC 5963 IPv6 Deployment in Internet Exchange Points
- RFC 5969 IPv6 Rapid Deployment on IPv4 Infrastructures -- Protocol Specification
- RFC 5962 Dynamic Extensions to the Presence Information Data Format Location Object
- RFC 5970 DHCPv6 Options for Network Boot