ICANN.org

This is the official website of the Internet Corporation for Assigned Names and Numbers. Learn about registrars, international domain names, strategic and operating plans, whois services and more. - [ICANN.org]

http://www.icann.org/

ARIN.net

The American Registry for Internet numbers official website. Find out about registration services, whois help, network abuse, the Number Resource Organization and more. - [ARIN.net]

http://www.arin.net/

IANA

The official website of the Internet Assigned Numbers Authority. Find root zone whois index by TLD Code, IP address services, IANA whois service, protocol number assignment services and more. - [IANA]

http://www.iana.org/

APNIC.net

Official website of the Asia Pacific Network Information Centre. Find a whois search, track spam and hacking, allocation of IP and AS numbers, root dns nameservers and more. - [APNIC.net]

http://www.apnic.net/

CIRA.ca

The official website of the Canadian Internet Registration Authority, in English and French. Find a CIRA certified registrar, become a member, find out whois information, dot ca names to be released and more. - [CIRA.ca]

http://www.cira.ca/

Domain Development Corporation (DDC)

The DDC is an Internet domain company. DDC helps companies take their registered domains and make them into fully fledged websites. The company's main service is Power Parking which helps clients monetize their domains. - [Domain Development Corporation (DDC)]

http://www.ddc.com/

Discount Domains

Domain Name Registration provider, also offers web hosting and web design solutions - [Discount Domains]

http://www.discountdomainsuk.com