| Extension | Definition |
| .com.au | For commercial purposes. Includes commercial entities, currently registered and trading in Australia, as well as commercial products and services. Need an ABN. |
| .net.au | For commercial purposes, usually representing the IT industry. Includes commercial entities, currently registered and trading in Australia, as well as commercial products and services. Need an ABN |
| .org.au | For non-commercial purposes. Includes registered not-for-proft organisations, charities, churches, welfare groups etc. Need to be a registered charitible organisation. |
| .asn.au | For 'Associations'. Includes associations incorporated under specific state legislation, some incorporated bodies, political parties, trade unions, sporting and special interest clubs and 'partnerships' between disparate organisations. |
| .id.au | For individuals. No pre-requisites. |
| .info | For all users. No pre-requisites. |
| .com | As per '.com.au', but not country specific. Used by companies with international interests or markets |
| .net | As per '.net.au', but not country specific. Used by companies with international interests or markets. |
| .biz | For businesses or commercial enterprises, but not country specific. Used by companies with international interests or markets. |
| .co.nz | Intendned for New Zealand companies, but no pre-requisites required. |
| .net.nz | Intendned for New Zealand IT conmpanies, but no pre-requisite required. |
| .org.nz | Intendned for New Zealand non-profit organisations, but no pre-requisite required. |
| .gen.nz | For New Zealand individuals and other organisations not covered elsewhere. No pre-requisite required. |
| .geek.nz | Individuals and other organisations not covered elsewhere. No pre-requisite required. |