.mc is the Internet country code top-level domain (ccTLD) for the Principality of Monaco. Registrations are made directly at the second level and require a company registration in Monaco. Registration for individuals is not allowed. Domains need to have a minimum length of 3 characters and no unicode domains are possible.
On 28 January 2022 a new domain name charter was published; since then all SLDs are retired and no new registrations are allowed for:
Existing domains in these zones continue to function.
On 1 March 2022 the registry introduced a registrar model and domains can only be registered by registrars since then.