Top level domains

You can get basic domain information, including ownership here.

.aero - for air-transport industry (see: www.nic.aero)
.asia - for air-transport industry (see: www.registry.asia)
.biz - for commercial use (see: NeuLevel)
.cat - for the Catalan linguistic and cultural community (see: Fundació puntCat)
.com - for commercial use (see: VeriSign)
.coop - for cooperative associations (see: Dot Cooperation
.info - for general purpose use (see: Afilias)
.jobs - or human resource managers (see: Employ Media)
.mobi - for consumers and providers of mobile products and services (see: mTLD Top Level Domain)
.museum - for museums (see: Museum Domain Management Association)
.name - or individuals (see: Global Name Registry)
.net - for general purpose use (see: VeriSign)
.org - for noncommercial community (see: Public Interest Registry)
.pro - for redentialed professionals (see: RegistryPro)
.travel - for travel industry (see: Tralliance)

.gov - fro USA government(see: US General Services Administration)
.edu - for USA education institutions (see: Educause)
.mil - for USA military (see: US DoD Network Information Center)
.int - for organizations established by international treaties between governments (see: IANA .int Domain Registry)

Whois.smartWEB.CZ