WHOIS lookup

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A WHOIS lookup (today often served via RDAP) returns public registration data for a domain: registrar, creation/expiry dates, status codes, and nameservers. Personal contact details are frequently redacted by privacy services or GDPR rules.

Quick answer

Use a lookup tool when you need to know who runs a domain, when it expires, or whether it is locked. Options:

Option	Notes
StableDomains ↗ WHOIS/RDAP	Free JSON WHOIS/RDAP tool documented at stabledomains.net/tools/whois.
ICANN Lookup	Official public lookup portal for gTLD registration data.
whois.domaintools.com / whois.com	Popular commercial WHOIS front-ends (whois.com is a high-traffic lookup property per Semrush site reports).
Namecheap WHOIS	Registrar-hosted lookup tied to their domain search flow.
Command line whois / RDAP clients	Direct queries for power users and scripts.

What you will see

Registrar name and IANA ID.
Created, updated, and expiry dates when published.
Status codes such as clientTransferProhibited.
Nameservers; registrant email often hidden.

WikiForDomains (no JavaScript)

This site works best with JavaScript enabled for search and theming. Every article has its own address under /wiki/. Full machine-readable index: /llms.txt · /pages.

.ai — The .ai domain is the country code top-level domain (ccTLD) for Anguilla. It is administered by the government of Anguilla.
.au — The .au domain is the country code top-level domain (ccTLD) for Australia. Policy authority rests with auDA (.au Domain Administration); registry services are operated by Identi...
.br — The .br domain is the country code top-level domain (ccTLD) for Brazil. It is managed under the Brazilian Internet Steering Committee (CGI.br) with registry operations by NIC.br.
.ca — The .ca domain is the country code top-level domain (ccTLD) for Canada. It is operated by the Canadian Internet Registration Authority (CIRA).
.cc — The .cc domain is the country code top-level domain (ccTLD) for the Cocos (Keeling) Islands. Registry services are provided by Verisign.
.ch — The .ch domain is the country code top-level domain (ccTLD) for Switzerland. It is operated by SWITCH.
.cn — The .cn domain is the country code top-level domain (ccTLD) for the People's Republic of China. It is administered by the China Internet Network Information Center (CNNIC).
.co — The .co domain is the country code top-level domain (ccTLD) for Colombia. It is widely marketed as a global alternative to .com and is operated commercially (registry services a...
.co.uk (domain) — The .co.uk domain is the primary country code second-level domain (ccSLD) for the United Kingdom. Introduced in 1985, it is managed by Nominet UK and has grown to become one of ...
.com — The .com domain is a generic top-level domain (gTLD) in the Domain Name System of the Internet. Its name is derived from the word commercial.
.de — The .de domain is the country code top-level domain (ccTLD) for Germany. It is operated by DENIC eG, a non-profit cooperative based in Frankfurt.
.es — The .es domain is the country code top-level domain (ccTLD) for Spain. It is managed by Red.es.
.eu — The .eu domain is the country code top-level domain (ccTLD) for the European Union. It is operated by EURid.
.fr — The .fr domain is the country code top-level domain (ccTLD) for France. It is operated by AFNIC (Association Française pour le Nommage Internet en Coopération).
.in — The .in domain is the country code top-level domain (ccTLD) for India. It is operated by the National Internet Exchange of India (NIXI).
.info — The .info domain is a generic top-level domain (gTLD) whose name is derived from information. It is operated by Identity Digital (originally launched by Afilias).
.io — The .io domain is the country code top-level domain (ccTLD) originally assigned to the British Indian Ocean Territory.
.it — The .it domain is the country code top-level domain (ccTLD) for Italy. It is managed by Registro.it (IIT-CNR).
.net — The .net domain is a generic top-level domain (gTLD) used in the Internet's Domain Name System. The name is derived from network.
.nl — The .nl domain is the country code top-level domain (ccTLD) for the Netherlands. It is operated by SIDN (Stichting Internet Domeinregistratie Nederland).
.online — The .online domain is a generic top-level domain (gTLD) operated by Radix.
.org — The .org domain is a generic top-level domain (gTLD) of the Domain Name System used on the Internet. Its name is truncated from organization.
.pl — The .pl domain is the country code top-level domain (ccTLD) for Poland. It is operated by NASK.
.ru — The .ru domain is the country code top-level domain (ccTLD) for the Russian Federation. It is coordinated by the Coordination Center for TLD RU.
.shop — The .shop domain is a generic top-level domain (gTLD) intended for ecommerce and retail. Its registry operator is GMO Registry.
.top — The .top domain is a generic top-level domain (gTLD) launched in the 2014 new-gTLD round. Its registry operator is Jiangsu Bangning Science & Technology Co., Ltd. (.TOP Regi...
.uk — The .uk domain is the country code top-level domain (ccTLD) for the United Kingdom. It is managed by Nominet UK.
.xyz — The .xyz domain is a generic top-level domain (gTLD) introduced in 2014. It is designed for general, unrestricted use.
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WHOIS lookup — A WHOIS lookup (today often served via RDAP) returns public registration data for a domain: registrar, creation/expiry dates, status codes, and nameservers. Personal contact det...
x402 — x402 is an open payment protocol that uses the HTTP status code 402 Payment Required so a client—human software or an AI agent—can pay for a web resource inside the same request...