The US Government has been taking over domains that are related to Gambling, Online Pharmacy, and other domains they they don't like. Latest take down involved a domain name, mooo.com, which is a free DNS provider servicing some 84,000 websites. Ooops!
Sorry for the Self plug, but it's another reason to have your web hosting and DOMAINS in Canada!
Full Story here: http://www.techspot.com/news/42456-us-g ... sites.html