nic.com DNS Resources
AFRINIC the regional internet registry for Africa.
RIPE provides services for Europe, the Middle East and parts of Asia.
ARIN, the American Registry for Internet Numbers, services North America and parts of the Caribbean.
APNIC, Asia Pacific Network Information Center, services the Asia Pacific region.
LACNIC is the Latin America and Caribbean Internet Address Registry.
Registries of the World List of Domain Registries of the World
ICANN, Internet Corporation for Assigned Names and Numbers.
IANA, Internet Assigned Numbers Authority.
INTERNIC, Registrar and Whois Problem Reports