.nz is the Internet country code top-level domain (ccTLD) for New Zealand. It is administered by InternetNZ, with oversight and dispute resolution handled by the Domain Name Commission Limited (DNCL). Registrations are processed via authorised registrars. there were 747,865 registered .nz domains. History As with many long-standing domain registries, the registry was maintained informally for some time. The first formally recognised administrative organisation was the University of Waikato until the responsibility was delegated to InternetNZ when it was formed in 1995. Prior to the current structure, the registry operator of .nz was Domainz. Historically, Domainz was a subsidiary of InternetNZ which also operated as a registrar and vendor of other add-on services such as DNS. This combination of a natural monopoly (the registry activities) and vertical integration (the registrar and other services) was seen by some as restricting competition so InternetNZ moved to separate the provision of registry services into a separate organisation with strong oversight. The final part of this transition process was the sale of Domainz to Melbourne IT in August 2003. From 1 April 2008 the "Office of the Domain Name Commissioner" (several employees of InternetNZ, including the Domain Name Commissioner herself) became the "Domain Name Commission Limited", a subsidiary company of InternetNZ. Registry software and protocol The Shared Registry System (SRS) was initially developed in 2002, and provided .nz registry services until November 2022. In January 2004 the source code to the SRS system was released to the public under a GPL license. Since 2010 the SRS also supported the standard Extensible Provisioning Protocol (EPP). In September 2019 InternetNZ announced their intent to replace the SRS and that the new system would not include the SRS protocol. The transition to a closed-source commercial registry product provided by the Canadian Internet Registration Authority was completed on the 1st of November, 2022. This transition replaced both the public facing WHOIS service and the APIs used by registrars to interact with the registry. Māori domain names On 22 July 2010, the Domain Name Commission announced that .nz domain names with macron vowels (ā, ē, ī, ō and ū) would be available from the following week to allow Māori language words to be correctly represented in domain names. Second-level domain changes .geek.nz - This second level domain was approved by the council of InternetNZ on 5 July 2003. .kiwi.nz - This second level domain was approved on 24 August 2012