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List of Internet Top Level Domains



The following is a list of Internet top-level domains. The top-level domain article provides the background information. The official list of all top-level domains is maintained by the Internet Assigned Numbers Authority (IANA).

Notes:
Name: DNS name of the generic top-level domain
Entity: target audience or restricted use
Notes: general remarks
IDN: support for internationalized domain names (IDN)
DNSSEC: presence of DS records for Domain Name System Security Extensions (DNSSEC)

Name Entity Notes IDN DNSSEC
.aero air-transport industry Must verify eligibility for registration; only those in various categories of air-travel-related entities may register. No No
.asia Asia-Pacific region This is a TLD for companies, organizations, and individuals based in the region of Asia, Australia, and the Pacific. Yes Yes
.biz business This is an open TLD; any person or entity is permitted to register; however, registrations may be challenged later if they are not held by commercial entities in accordance with the domain’s charter. This TLD was created to provide relief for the wildly-popular .com TLD. No Yes
.cat Catalan This is a TLD for Web sites in the Catalan language or related to Catalan culture. Yes Yes
.com commercial This is an open TLD; any person or entity is permitted to register. Though originally intended for for-profit business entities, for a number of reasons it became the “main” TLD for domain names and is currently used by all types of entities including nonprofits, schools and private individuals. Domain name registrations may be challenged if the holder cannot prove an outside relation justifying reservation of the name, to prevent “squatting“. Yes Yes
.coop cooperatives The .coop TLD is limited to cooperatives as defined by the Rochdale Principles. No No
.edu educational The .edu TLD is limited to specific educational institutions such as, but not limited to, primary schools, middle schools, secondary schools, colleges, and universities. In the US, its usability was limited in 2001 to post-secondary institutions accredited by an agency on the list of nationally recognized accrediting agencies maintained by the United States Department of Education. This domain is therefore almost exclusively used by U.S. colleges and universities. Some institutions that do not meet the current registration criteria have grandfathered domain names. No Yes
.gov governmental The .gov TLD is limited to U.S. governmental entities and agencies. No Yes
.info information This is an open TLD; any person or entity is permitted to register. Yes Yes
.int international organizations The .int TLD is strictly limited to organizations, offices, and programs which are endorsed by a treaty between two or more nations. No No
.jobs companies The .jobs TLD is designed to be added after the names of established companies with jobs to advertise. At this time, owners of a “company.jobs” domain are not permitted to post jobs of third party employers. No No
.mil U.S. military The .mil TLD is limited to use by the U.S. military. No No
.mobi mobile devices Must be used for mobile-compatible sites in accordance with standards. No No
.museum museums Must be verified as a legitimate museum. Yes Yes
.name individuals, by name This is an open TLD; any person or entity is permitted to register; however, registrations may be challenged later if they are not by individuals (or the owners of fictional characters) in accordance with the domain’s charter. Yes No
.net network This is an open TLD; any person or entity is permitted to register. Originally intended for use by domains pointing to a distributed network of computers, or “umbrella” sites that act as the portal to a set of smaller websites. No Yes
.org organization This is an open TLD; any person or entity is permitted to register. Originally intended for use by non-profit organizations, and still primarily used by same. Yes Yes
.pro professions Currently, .pro is reserved for licensed or certified lawyers, accountants, physicians and engineers in France, Canada, NL, UK and the U.S. A professional seeking to register a .pro domain must provide their registrar with the appropriate credentials. No No
.tel Internet communication services A contact directory housing all types of contact information directly in the Domain Name System. Yes[2] No
.travel travel and tourism industry related sites Must be verified as a legitimate travel-related entity. No No
.xxx adult entertainment For sites providing sexually-explicit content, such as pornography. No No
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