Domain name registries

thumb|right|ICANN headquarters in the Playa Vista, Los Angeles|Playa Vista neighborhood of Los Angeles.

Verisign, Inc. is an American company based in Reston, Virginia, that operates a diverse array of network infrastructure, including two of the Internet's thirteen root nameservers, the authoritative registry for the , , and generic top-level domains and the country-code top-level domains, and the back-end systems for the and sponsored top-level domains.

database of domain names and associated registrant information

Norid AS is the registry responsible for administering the Norwegian country-code top-level domains (ccTLDs): .no (Norway), .sj (Svalbard and Jan Mayen), and .bv (Bouvet Island). By agreement with the Internet Assigned Numbers Authority, Norid is delegated the exclusive authority to assign, administer and register domain names under these three top-level domains. Of these three top-level domains, second-level domains may only be registered under .no, while use of .sj and .bv is presently reserved.

DENIC eG is the manager of the .de domain, the country-code top-level domain for Germany. It was founded in 1996 and is organised as a non-regulated not-for-profit cooperative. DENIC provides the Domain Name System (DNS) as well as registration and management services for .de and .9.4.e164.arpa ENUM. Besides the whois lookup service for .de domains, its portfolio further includes DNS anycast services for registries and data escrow services for both registries and registrars of the domain industry.

company

non-profit organization responsible for managing the .be top-level domain

.ZADNA (.za Domain Name Authority) is a not-for-profit company and statutory regulator and manager of .za, the Internet country code top-level domain (ccTLD) for South Africa. It is an agency of South African government under the Department of Communications and Digital Technologies.

Agency responsible for Internet affairs in China

Domain name registry for the UK