EDIT: There are several comments on this post (and sent to me privately) which correctly note that I've overlooked an important variation in the behaviour of recursive servers, that would affect the ability of this hijack to succeed. I'm leaving the post up as-is because I think it demonstrates just how complicated the DNS is, and just how easy it is for anyone (even someone who knows it inside and out) to miss something important.
Original article below the jump...
Monday, July 10, 2017
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