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IDN (Internationalized Domain Name)  are domain names that include characters from non-ASCII scripts, such as Arabic, Chinese, Cyrillic, Hindi, and many others, allowing for domain names in a variety of languages and scripts beyond the traditional Latin alphabet used in English. IDN are stored in the Domain Name System as ASCII (American Standard Code for Information Interchange) strings using Punnycode transcription.

Here are some of the sample IDN websites:

http://東京理科大学.jp/ – Tokyo University of Science

http://스타벅스코리아.com – Starbucks Korea official website

IDNs enable users to register domain names in their native languages, making the internet more accessible and user-friendly for people around the world. By allowing domain names in multiple scripts, IDNs help to bridge the digital divide, enabling businesses and individuals to reach wider audiences in different linguistic communities.

Although IDNs are displayed in their native script, they are technically converted into a Punycode format (a sequence of ASCII characters) that can be understood by the Domain Name System (DNS). For example, the IDN “例子.测试” is converted to “xn--fsq.xn--0zwm56d” in Punycode.

In summary, IDNs expand the internet’s usability and inclusivity by supporting domain names in various scripts and languages, making it easier for people worldwide to access and navigate the web in their own languages.

Last updated on Mar 19, 2020 by Louis