.tw is the

Internet The Internet (or internet) is the Global network, global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a internetworking, network of networks ...

country code A country code is a short alphanumeric identification code for countries and dependent areas. Its primary use is in data processing and communications. Several identification systems have been developed. The term ''country code'' frequently re ...

top-level domain A top-level domain (TLD) is one of the domain name, domains at the highest level in the hierarchical Domain Name System of the Internet after the root domain. The top-level domain names are installed in the DNS root zone, root zone of the nam ...

( ccTLD) for the

Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

, commonly known as Taiwan. The domain name is based on the

ISO 3166-1 alpha-2 ISO 3166-1 alpha-2 codes are two-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special ...

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. , there are 17 registrars.

Domains

domain names can be registered at both the second and third level. Applicants are required to provide an email address for verification.

Open registration

* : intended for general use * : intended for clubs or groups * : intended for commercial entities * : intended for online business-related content * : intended for gaming-related content * : intended for individuals

Eligibility expected

* : for educational and academic institutions * : for authorities of Taiwan * : for the military of Taiwan * : for network or telecommunications license holders * : 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 The Apache ( ) are several Southern Athabaskan language-speaking peoples of the Southwestern United States, Southwest, the Southern Plains and Northern Mexico. They are linguistically related to the Navajo. They migrated from the Athabascan ho ...

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 character Chinese characters are logographs used to write the Chinese languages and others from regions historically influenced by Chinese culture. Of the four independently invented writing systems accepted by scholars, they represent the only on ...

s 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 domain In the Domain Name System (DNS) hierarchy, a second-level domain (SLD or 2LD) is a domain that is directly below a top-level domain (TLD). For example, in , is the second-level domain of the TLD. Second-level domains commonly refer to the organ ...

s: .tw, .tw and .tw. These second-level domains correspond to , and , respectively.

ICANN The Internet Corporation for Assigned Names and Numbers (ICANN ) is a global multistakeholder group and nonprofit organization headquartered in the United States responsible for coordinating the maintenance and procedures of several dat ...

assigned two internationalized country code top-level domains (IDN ccTLDs) for Taiwan on 25 June 2010: * : ''Taiwan'' in

traditional Chinese characters Traditional Chinese characters are a standard set of Chinese character forms used to written Chinese, write Chinese languages. In Taiwan, the set of traditional characters is regulated by the Ministry of Education (Taiwan), Ministry of Educat ...

(DNS name: .xn--kpry57d) * : ''Taiwan'' in

simplified Chinese characters Simplified Chinese characters are one of two standardized Chinese characters, character sets widely used to write the Chinese language, with the other being traditional characters. Their mass standardization during the 20th century was part of ...

(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.

References

External links

.TW Whois Service

{{DEFAULTSORT:TW Country code top-level domains Telecommunications in Taiwan Internet in Taiwan 1989 establishments in Taiwan Internet properties established in 1989 sv:Toppdomän#T