You can read about it yourself if you like. You can bypass the DNS problem and hit their homepage directly by using the IP address, like this:
http://216.158.28.197/
Then navigate down a bit, and you'll see a link where their admin guy explains it.
I'm kind of embarassed to admit I spent time tracking this down. I guess I love a good puzzle more than I detest those yahoos at du.
I used the IP and read the post explaining how it happened.