On Monday, July 9th, you may find yourself without access to the internet because a trojan virus. You can find out if your computer is infected by going to www.dns-ok.us.
If your screen shows a RED image like the one below then you have a DNSChanger problem. Your computer is infected and you're SCREWED!
Fortunately my Commodore 64 passed the test! If you want the technical details behind the DSNChanger problem then check out what the propeller-hats at www.slashgear.com wrote.
Below is what you want to see when you visit www.dns-ok.us.
DNS Resolution = GREEN
Your computer appears to be looking up IP addresses correctly!