Thread:ToaMeiko-fduser/@comment-5832332-20130710140632/@comment-5884303-20130710145601

It doesn't imply they are on the same host at all, actually. They are on the MediaWiki software, along with many other sites such as Wikipedia, Bulpapedia, and thousands more. Wikia is also on the MediaWiki software, however they have developed many more installations and a much more unique skin, so it's less recognizable.