What is .tw?
A little context on Taiwan: the capital is Taipei, the main language is Chinese, the currency is the New Taiwan dollar (TWD) and the international dialing code is +886.
IANA lists Taiwan Network Information Center (TWNIC) as the manager of .tw, with an address in Taiwan. The registry's website is http://rs.twnic.net.tw. ccTLD managers set their own policies — who can register, which second-level names exist, pricing to registrars — so those rules differ from country to country.
On the technical side, .tw is served by 9 authoritative name servers, 7 of them reachable over IPv6. It is also DNSSEC-signed: the root zone carries a DS record for .tw, which lets validating resolvers check its answers cryptographically. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.twnic.net.tw).
Taiwan also has other country-code domains in the root zone: .台湾 (Han) and .台灣 (Han).
Same registry, other endings
2 other TLDs share this operator.
.tw FAQ
What country is .tw?
.tw is the country-code top-level domain for Taiwan, in Eastern Asia.
What is Taiwan's domain extension?
Taiwan's website extension is .tw, its country-code top-level domain. It also has .台湾 and .台灣 in other scripts. "TW" is its ISO 3166-1 alpha-2 code.
Who owns the .tw domain?
IANA lists Taiwan Network Information Center (TWNIC) as the manager of .tw: it runs the registry and sets the rules for Taiwan's ccTLD. Individual .tw names belong to whoever registers them.
Can I register a .tw domain from the US?
It depends on Taiwan Network Information Center (TWNIC)'s policy. Some ccTLDs are open to anyone in the world, while others require a local address, company or trademark. Check the registry (http://rs.twnic.net.tw) or an accredited registrar before you buy.
Is .tw DNSSEC-signed?
Yes. The root zone has a DS record for .tw, so DNSSEC validation works all the way down from the root.
How do I look up who owns a .tw domain?
Query the registry's registration data service: the WHOIS server is whois.twnic.net.tw, and RDAP lookups go to https://ccrdap.twnic.tw/tw/. Many registrants use privacy services, so personal details may be hidden.
Sources
Data from IANA root zone version 2026102000. Last changed April 27, 2026. Spotted something wrong? Tell us.
