TLD directory

Who operates each domain extension, who is allowed to register it, and where its registration data can be read: RDAP, classic WHOIS, or neither.

Generic TLDs

The original generic extensions and the first expansion of 2001. Governed by ICANN contracts.

Country-code TLDs

Two-letter extensions assigned by ISO 3166 code, plus well-known second-level zones. Rules are set by each registry and local law.

.io

Software products, developer tools, start-ups

WHOISBritish Indian Ocean Territory

.co

Companies and start-ups looking for a short .com alternative

WHOISColombia

.ai

Artificial intelligence companies and products

RDAPAnguilla

.me

Personal sites, portfolios, short links

WHOISMontenegro

.tv

Video, streaming and broadcasting

RDAPTuvalu

.cc

General purpose alternative to .com

RDAPCocos (Keeling) Islands

.us

US businesses, individuals and local government

WHOISUnited States

.uk

UK businesses, organisations and individuals

RDAPUnited Kingdom

.co.uk

UK businesses and commercial sites

RDAPUnited Kingdom

.de

German businesses, organisations and individuals

WHOISGermany

.fr

French businesses, organisations and individuals

RDAPFrance

.nl

Dutch businesses, organisations and individuals

RDAPNetherlands

.it

Italian businesses, organisations and individuals

WHOISItaly

.es

Spanish businesses and Spanish-language sites

WHOISSpain

.eu

Businesses and organisations operating across the EU

WHOISEuropean Union

.ru

Russian-language sites and businesses

WHOISRussia

.ch

Swiss businesses, organisations and individuals

WHOISSwitzerland

.at

Austrian businesses, organisations and individuals

WHOISAustria

.be

Belgian businesses, organisations and individuals

WHOISBelgium

.pl

Polish businesses, organisations and individuals

RDAPPoland

.se

Swedish businesses, organisations and individuals

WHOISSweden

.jp

Japanese businesses, organisations and individuals

WHOISJapan

.cn

Businesses addressing the Chinese market

WHOISChina

.in

Indian businesses, organisations and individuals

RDAPIndia

.au

Australian businesses, organisations and individuals

RDAPAustralia

.com.au

Australian companies and commercial sites

RDAPAustralia

.ca

Canadian businesses, organisations and individuals

RDAPCanada

.br

Brazilian businesses, organisations and individuals

RDAPBrazil

.com.br

Brazilian companies and commercial sites

RDAPBrazil

.tr

Businesses, organisations and individuals in Türkiye

WHOISTürkiye

.com.tr

Companies and commercial sites in Türkiye

WHOISTürkiye

.net.tr

Internet, hosting and network services in Türkiye

WHOISTürkiye

.org.tr

Associations, foundations and non-profits in Türkiye

WHOISTürkiye

New gTLDs

Descriptive extensions delegated since 2014 through ICANN's new gTLD programme.

RDAP availability is taken from the IANA RDAP bootstrap file published on 2026-09-16; WHOIS server and delegation year from the IANA root zone database. Registry policies change: check the registry's own policy before relying on an eligibility rule.