Open WHOISbuilt by Just

.tw WHOIS lookup

.tw is managed by Taiwan Network Information Center (TWNIC). Its registry answers lookups over RDAP at ccrdap.twnic.tw, so a .tw lookup here reads the registry directly.

Managed by

Taiwan Network Information Center (TWNIC)
As listed by IANA

RDAP

ccrdap.twnic.tw
Lookups read the registry live

WHOIS server

whois.twnic.net.tw

DNSSEC

Signed
The ending is signed in the root zone

In the root zone since

31 July 1989

Registry website

rs.twnic.net.tw

What a .tw lookup shows

The registrar, when the domain was registered and when it expires, every status code in plain words, nameservers and DNSSEC, plus the mail setup read from DNS.

WHOIS vs RDAPWho owns a domain?All endings

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Ending: .tw
Managed by: Taiwan Network Information Center (TWNIC)
RDAP base URL: https://ccrdap.twnic.tw/tw/
WHOIS server: whois.twnic.net.tw
DNSSEC signed in the root: yes
Source: IANA root zone database and RDAP bootstrap, read 2026-10-31
Lookup URL: https://openwhois.org/#d=example.tw