I expect this means that DNS has been compromised somewhere.
I see that whois is wonky, but DNS looks right.
cr1:~# dig amazon.com @j.gtld-servers.net | grep NS ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2 amazon.com. 172800 IN NS udns1.ultradns.net. amazon.com. 172800 IN NS udns2.ultradns.net.There is weird whois data for facebook.com, youtube.com, myspace.com and some others
