ICANN-Accredited Registrars
http://www.icann.org/en/registrars/accredited-list.html
Find the most liberal country (Sweden?) and register a variant of your domain name and point it to the current site - then publicize the variant as an emergence backup.
5.56mm
Actually, there’s no need to use a variant. You could simply register in, say, thailand, and it would be www.freerepublic.th