content: Well, I'd take that to mean the "URLs" of the domains, like "This guy visited http://www.naughtynaughtythoughtcriminals.com" etc. We can assume they do have all the details stored somewhere, but maybe low-level officials/paper-pushers are only shown some of the data.  Besides, the article is in a mainstream newspaper, right? They don't want to make it sound too scary.. maybe just "suitably scary", to have the desired chilling effect.