.pm.pm .pm .pm is the country code top-level domain (ccTLD) for Saint Pierre and Miquelon. It is managed by AFNIC, with registration services opening on 6 December 2011. As of June 2021, there are more than 7000 registered .pm domains. British Domain Holders Post-Brexit. Since 1 January 2021, British citizens have not been able to register .pm domains. However, as AFNIC is unable to apply policies retroactively, it is allowing all registrations pre-Brexit to continue, with renewal permitted. .pm .pm is the country code top-level domain (ccTLD) for Saint Pierre and Miquelon. It is managed by AFNIC