【鼠】庚子年乙酉月丙子日 / 八月十五日 :: 中秋節
Wednesday September 30, 2020

Domain Names

For years there were a lot of problems that existed with multibyte domain names (see below), that were mainly the result of the legacy of the internet infrastructure. End 1990s International Domain Names were proposed however it wasn't until 2009 that the ICANN approved the creation of internationalized country code top-level domains (IDN ccTLDs).

TLD for Asian Countries :
Country
TLD
China (PRC)
.cn
Taiwan (ROC)
.tw
Hong Kong
.hk
Singapor
.sg


Some of the problems that had to be resolved when using non-latin letters are :
The problems are not only specific to DNS-servers. All other machines and programs that have anything to do with name resolving are affected. So webservers, roxy-servers, firewalls and browsers all have to be able to handle it correctly. Also problems can occur for the webbrowsers. See Q269677 for Internet Explorer (this problem is solved already).

Links
CDNC : Chinese Domain Name Consortium
TWNIC : Taiwan Network Information Center
CNNIC : China Internet Network Information Center
MINC : Multilingual Internet Names Consortium.

References
RFC 1034 : Domain names - concepts and facilities
RFC 1035 : Domain names - implementation and specification
RFC 2181 : Clarifications tot the DNS Specification

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