It is expected these servers will be switched off around the 9th July 2012.
DNSChanger affects both Windows and Mac OS computers.
Visit the DNSChanger Diagnostic page now to see if your computer is affected. If it is make sure you run a good antivirus/antispyware, clean up any of the infections acquired while visiting those dodgy websites, religious websites and hijacked Facebook accounts and switch the DNS configuration to the one provided by your ISP.
Also prepare for the "my computer can't connect to the Internet LOL" posts...