RFC - 4343

Domain Name System (DNS) Case Insensitivity Clarification

Original:	ftp://ftp.isi.edu/in-notes/rfc4343.txt
Authors:	D. Eastlake 3rd [Motorola Laboratories]
Date:	January 2006
Category:	Proposed Standard

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Updates:
RFC-2181prop	Clarifications to the DNS Specification (Updated by RFC-4033prop, RFC-4035prop, RFC-4034prop, RFC-2535, RFC-4343prop)
RFC-1035std13 [STD 13]	Domain names - implementation and specification (Updated by RFC-1876exp, RFC-1348, RFC-4033prop, RFC-4035prop, RFC-4034prop, RFC-2308prop, RFC-2065, RFC-2845prop, RFC-2181prop, RFC-1995prop, RFC-1996prop, RFC-2535, RFC-4343prop, RFC-3658, RFC-1982prop, RFC-2136prop, RFC-3425prop, RFC-1101, RFC-1183exp, RFC-2137)
RFC-1034std13 [STD 13]	Domain names - concepts and facilities (Updated by RFC-1876exp, RFC-1348, RFC-4033prop, RFC-4035prop, RFC-4034prop, RFC-2308prop, RFC-2065, RFC-2181prop, RFC-2535, RFC-4343prop, RFC-1982prop, RFC-4592prop, RFC-1101, RFC-1183exp)

Referred by:	0 RFC
Refers to:	21 RFC

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Status

This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2006).

Abstract

Domain Name System (DNS) names are "case insensitive". This document explains exactly what that means and provides a clear specification of the rules. This clarification updates RFCs 1034, 1035, and 2181.

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