At the moment there are 16 domain name extensions available in New Zealand.
the latest domain name extension – the shorter version of .co.nz
125,440 active domains
commercial – the mostly used but officially meant for commercial organisations
496,491 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
24,441 active domains
27,801 active domains
more ‘funky’ alternative for the .co.nz extension. Although there is a .kiwi (without the .nz) extension as well.
4,695 active domains
schools – primary, secondary and pre-schools and related organisations
3,561 active domains
academic – tertiary educational institutions and related organisations
2,330 active domains
general – individuals/organisations not covered elsewhere
1,094 active domains
geeks – computer freaks
965 active domains
government – national, regional and local government organisations. A moderated domain name.
1,042 active domains
Māori people, groups, and organisations
876 active domains
registered practitioners and organisations providing health and disability services
252 active domains
traditional Māori tribe. A moderated domain name.
100 active domains
military organisations of the NZ Government. A moderated domain name.
33 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 August 2017 (source dnc)