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|TLD type||Country code top-level domain|
|Intended use||Entities connected with Taiwan|
|Actual use||Popular in Taiwan|
|Registration restrictions||Requirements vary depending on which second-level name registration is within; foreigners allowed in several categories|
|Structure||Registrations are at second level or at third level beneath some second-level labels|
|Documents||Guidelines for administration of domain name registration|
|Dispute policies||Taiwan Network Information Center Domain Name Dispute Resolution Policy|
.tw is the Internet country code top-level domain (ccTLD) for Taiwan (Republic of China). The domain name is based on the ISO 3166-1 alpha-2 country code TW. The registry is maintained by TWNIC, a Taiwanese non-profit organization appointed by National Communication Commission (NCC) and ministry of transportation and communications ROC. Since March 1, 2001, TWNIC has stopped allow itself to sign up new domain names directly, instead allowing new registration through its contracted reseller registrars.
The current reseller registrars are as follows: Chunghwa Telecom, Chunghwa Int'l Communication Network Co., Ltd., FarEasTone, Taiwan Mobile, Asia Pacific Telecom, PC Home, Net-Chinese, TISNet, IP Mirror, Webnic, Neulevel.
Registering .tw website domains
- 台灣 - taiwan in traditional Chinese characters (DNS name: xn--kpry57d)
- 台湾 - taiwan in simplified Chinese characters (DNS name: xn--kprw13d)
No registrations under these domain have been conducted as of August 2010.
Registrations under .tw are possible in second-level space or under various domains as third-level domains:
- edu.tw: for educational and academic institutions
- gov.tw: for agencies of the Government of the Republic of China, operated by Taiwan
- mil.tw: for the Republic of China Armed Forces, operated by Taiwan
- com.tw: for companies or firms (Taiwanese or foreign) registered under the laws of their country
- net.tw: for network or telecommunications license holders
- org.tw: for non-profit organizations (Taiwanese or foreign) established according to the laws of their country
- idv.tw: for individuals (must verify their identity by e-mail)
- game.tw: unrestricted (but registrant must verify their identity by email)
- ebiz.tw: unrestricted (but registrant must verify their identity by email)
- club.tw: unrestricted (but registrant must verify their identity by email)
- tw: unrestricted
Domain names in Chinese characters may also be registered at the second level. Furthermore, any registrant of a standard domain name who has chosen a domestic registrar may automatically get two more domain names in Chinese characters in the following second-level domains: 網路.tw, 組織.tw and 商業.tw. These second-level domains correspond to net.tw, org.tw and com.tw, respectively.
As of March 2017, around 8.31％ of the .tw domains are served via secured HTTPS protocol, with the cPanel, Inc. Certification Authority being the most popular SSL certificate. Apache is the most popular web server, serving 47.60% of the .tw domains, followed by Microsoft-IIS serving 20.31% of the total .tw domains.
Internet in Taiwan
- .TW Whois Service
- IANA .tw whois information
- List of registrars accredited by TWNIC
- List of registrars accredited by Neulevel
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