.tw
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.tw is the Internet country code top-level domain (ccTLD) for the Republic of China, commonly known as Taiwan. The domain name is based on the ISO 3166-1 alpha-2 country code TW. The registry is maintained by the Taiwan Network Information Center (TWNIC), a Taiwanese non-profit organization appointed by the National Communications Commission (NCC) and the Ministry of Transportation and Communication. Since 1 March 2001, TWNIC has stopped allowing itself to sign up new domain names directly, instead allowing new registration through its contracted reseller registrars. As of May 2023[update], there are 17 registrars.
Domains
.tw domain names can be registered at both the second and third level. Applicants are required to provide an email address for verification.
Open registration
- tw : intended for general use
- club.tw : intended for clubs or groups
- com.tw : intended for commercial entities
- ebiz.tw : intended for online business-related content
- game.tw : intended for gaming-related content
- idv.tw : intended for individuals
Eligibility expected
- edu.tw : for educational and academic institutions
- gov.tw : for authorities of Taiwan
- mil.tw : for the military of Taiwan
- net.tw : for network or telecommunications license holders
- org.tw : for non-profit organizations, domestic or overseas
Statistics
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.
Internationalized domains
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.
ICANN assigned two internationalized country code top-level domains (IDN ccTLDs) for Taiwan on 25 June 2010:
- .台灣 : Taiwan in traditional Chinese characters (DNS name: .xn--kpry57d)
- .台湾 : Taiwan in simplified Chinese characters (DNS name: .xn--kprw13d)
Since at least November 2015, the simplified suffix is a DNAME alias for the traditional suffix. As a result, any subdomain of the traditional .xn--kpry57d TLD automatically has a CNAME alias from the simplified .xn--kprw13d TLD. The traditional suffix is in active use.