User blog comment:Brandon Rhea/How we're testing the fandom.com domain migration/@comment-178.166.52.144-20181028093234/@comment-1038387-20181028154144

The fandom.com part is not related to the security issues. They had two distinct url issues - the rebrand and the new url path. They need a new url path so non-English wikis cab have https. They just decided to combine the tests. But for English test wikis, there’s no difference in url path, so the new domain is all you see.