| Introduced 1992 Registry MONIC | Status Active Sponsor Government of Macau | |
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| TLD type Country code top-level domain Intended use Entities connected with: Macau (1990–1999) Macau (1999–present) | ||
.mo is the Internet country code top-level domain (ccTLD) for Macau.
The registry for this domain name is operated by the Macao Network Information Centre (MONIC). Operated by the University of Macau since 1992, MONIC administers the registration of the country-code domain names ccTLD.
To further promote the development of services, the Government of Macau changed the operation entity of MONIC. Effective from 12 March 2011, HNET Asia Limited appointed by the Macau government, is responsible for operating MONIC.
However, second-level domain is only available for the registrants who have registered the same name at third-level.
.com.mo - commercial entities .edu.mo - educational institutions .gov.mo - government departments .net.mo - network service providers .org.mo - non-profit organizationsInternationalized top level domain
In early 2015 two new top level domains were reserved for Macau. They are .澳门 (in simplified Chinese) and .澳門 (in traditional Chinese). MONIC has requested these domains.