- .aero
- Reserved for members of the air-transport industry
Registrar: Societe Internationale de Telecommunications Aeronautique (SITA INC USA) - .asia
- Restricted to the Pan-Asia and Asia Pacific community
Registrar: DotAsia Organisation Ltd. - .cat
- Reserved for the Catalan linguistic and cultural community
Registrar: Fundacio puntCAT - .coop
- Reserved for cooperative associations
Registrar: DotCooperation LLC - .edu
- Reserved for post-secondary institutions accredited by an agency on the U.S. Department of Education's list of Nationally Recognized Accrediting Agencies
Registrar: EDUCAUSE - .gov
- Reserved exclusively for the United States Government
Registrar: General Services Administration Attn: QTDC, 2E08 (.gov Domain Registration) - .int
- Used only for registering organizations established by international treaties between governments
Registrar: Internet Assigned Numbers Authority - .jobs
- Reserved to serve needs of the international human resource management community
Registrar: Employ Media LLC - .mil
- Reserved exclusively for the United States Military
Registrar: DoD Network Information Center - .mobi
- Reserved for consumers and providers of mobile products and services
Registrar: Afilias Technologies Limited dba dotMobi - .museum
- Reserved for museums.
Registrar: Museum Domain Management Association - .post
- Reserved for the global postal community
Registrar: Universal Postal Union - .tel
- Reserved for businesses and individuals to publish their contact data
Registrar: Telnic Ltd. - .travel
- Reserved for entities whose primary area of activity is in the travel industry
Registrar: Tralliance Registry Management Company, LLC. - .xxx
- Reserved for the adult entertainment community
Registrar: ICM Registry LLC
Sponsored Generic Top Level Domains (Sponsored TLDs)
You can find basic top level domain (TLD) information, including ownership, contacts and technical details - nameservers and whois server here. New TLD registrar information for applications in ICANN New gTLDs program are in section New Top Level Domains (TLDs).