Announcement of Adding Japanese IDN Registration in Generic Domain Names


Taiwan Network Information Center
Announcement of Adding Japanese IDN Registration in Generic Domain Names

Announced on 6/26/2018

A. Registration Detail:
1. Structure of Japanese Domain Name
Example: おはよう.tw
Top Level: tw
2nd Level: おはよう

2.Reserved Words: 
Please refer to:

3.Requirements of Japanese IDN:

3-1. Japanese IDN shall consist of characters specified within the scope of the .tw Japanese IDN table(,and it shall consist of at least 2 consecutive Japanese IDN characters (hiragana, katakana and kanji) in combination, and it can also include 26 alphabetical characters in either upper or lower cases, numerical characters of 0-9 and connection symbol (-).

3-2. The dash (-) shall not exist at the first position or the last position. Neither shall it exist in consequence at the 3rd and 4th positions.

3-3. Japanese IDN after punycode conversion shall not exceed 63 characters.    

B. Launch of Japanese IDN registration:
From 14:30 of July 17, 2018 (Taipei time, GMT+8)

C. Resolution Service: 

Resolution service is only available to the registered Japanese domain name of the applicant. Other corresponding domain names including automatic assigned or combinations of variants due to rules will be reserved but not be resolved.

D. Dispute Resolution: 
Applicants must agree that if their registered domain name has a dispute with a third party, it will be resolved according to the related rules stated in the “Domain Name Dispute Resolution Policy” and “Rules for the TWNIC Domain Name Dispute Resolution Policy”.

E. Other unmentioned issues will be announced on TWNIC website at any time.


Please refer to the website of this service for further details:


Taiwan Network Information Center

4F-2, No. 9, Roosevelt Rd., Sec. 2, Taipei 100, Taiwan.

Scroll to Top