What are internationalized domain names (IDNs)?
Internationalized Domain Names ( IDNs) enable people around the world to use domain names in local languages and scripts. IDNs are formed using characters from different scripts, such as Arabic, Chinese, Cyrillic or Devanagari. These are encoded by the Unicode standard and used as allowed by relevant IDN protocols.
Where are internationalized domain names stored?
Internationalized domain names are stored in the Domain Name System (DNS) as ASCII strings using Punycode transcription.
Can a domain name be a non-ASCII encoding?
The system of internet domain name registration is, however, totally incapable of handling non-ASCII encodings, hence the restriction; see also RFC 5890 §§ 2.2, 2.3 on the format of names. ^ Dürst, Martin J. (December 10, 1996).
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