At the moment there are 16 domain name extensions available in New Zealand.
the latest domain name extension – the shorter version of .co.nz
134,781 active domains
commercial – the mostly used but officially meant for commercial organisations
503,618 active domains
officially meant for organisations directly related to the NZ Internet but nowadays a good second choice when the .co.nz extension is already taken
23,756 active domains
27,585 active domains
more ‘funky’ alternative for the .co.nz extension. Although there is a .kiwi (without the .nz) extension as well.
4,514 active domains
schools – primary, secondary and pre-schools and related organisations
3,608 active domains
academic – tertiary educational institutions and related organisations
2,334 active domains
general – individuals/organisations not covered elsewhere
1,083 active domains
geeks – computer freaks
946 active domains
government – national, regional and local government organisations. A moderated domain name.
1,053 active domains
Māori people, groups, and organisations
882 active domains
registered practitioners and organisations providing health and disability services
257 active domains
traditional Māori tribe. A moderated domain name.
102 active domains
military organisations of the NZ Government. A moderated domain name.
32 active domains
Crown Research Institutes. A moderated domain name.
7 active domains
agencies and individuals who are part of the parliamentary system. A moderated domain name.
11 active domains
Five domain name extensions are moderated (restricted): .cri.nz, .govt.nz, .iwi.nz, .mil.nz and .parliament.nz meaning that applicants need to meet specific additional criteria before they can be registered.
Active domain counts as per Januiary 2018 (source dnc)