RFC 4290

Suggested Practices for Registration of Internationalized Domain Names (IDN), December 2005

Canonical URL:
https://www.rfc-editor.org/rfc/rfc4290.txt
File formats:
Plain TextPDF
Status:
INFORMATIONAL
Author:
J. Klensin
Stream:
INDEPENDENT

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC4290

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Abstract

This document explores the issues in the registration of internationalized domain names (IDNs). The basic IDN definition allows a very large number of possible characters in domain names, and this richness may lead to serious user confusion about similar-looking names. To avoid this confusion, the IDN registration process must impose rules that disallow some otherwise-valid name combinations. This document suggests a set of mechanisms that registries might use to define and implement such rules for a broad range of languages, including adaptation of methods developed for Chinese, Japanese, and Korean domain names. This memo provides information for the Internet community.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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