.nz is the Internet country code top-level domain (ccTLD) for New Zealand. It is administered by InternetNZ through its subsidiary, NZ Registry Services, with oversight and dispute resolution handled by the Domain Name Commission Ltd. Registrations are processed via authorised registrars. As of March 2011 there were 433,183 registered .nz domains.
Read more about .nz: History, Second-level Domains, Registry Software and Protocol, Māori Domain Names