User blog comment:Rappy 4187/Technical Update: October 19, 2016/@comment-126761-20161022015005

FYI: we're investigating an issue where some users are ending up at an incorrect location when visiting links in emails (at http://community.wikia.com/wiki/Community_Central:Not_a_valid_community?from=mail-sendgrid.wikia.com), likely as a side-effect of the other DNS DDOS-related issues from today.