DNS Transport over TCP - Operational Requirements

Document Type Replaced Internet-Draft (dnsop WG)
Author John Kristoff 
Last updated 2017-05-26 (latest revision 2017-03-13)
Replaced by draft-ietf-dnsop-dns-tcp-requirements
Stream IETF
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-dnsop-dns-tcp-requirements
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document encourages the practice of permitting DNS messages to be carried over TCP on the Internet. It also describes some of the consequences of this behavior and the potential operational issues that can arise when this best common practice is not upheld.


John Kristoff (jtk@depaul.edu)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)