The F.B.I. will be shutting down some servers on July 9, 2012 that were part of an operation to steal personal information. Not many PCs are infected with the software that changed users default server to the server used by the gang responsible for the attacks, but, just to be on the safe side, there is a test that will test your IP functionality in about 30 seconds. The link below is one of the ones listed on the F.B.I.'s information page about this issue for users to use to check their connection server domain. Just click on the link below, and the test will begin. After the test, you will be taken to a site, and, if the page is green, you pass the test. Here is the link
http://dns-ok.us/
If you are uncomfortable with the test, the site is listed on the F.B.I.'s information page (previously mentioned) to do with this issue (Link below), along with several other similar domains (I take it all set up by the F.B.I.). You can also manually enter your provider's IP address (which can be found in your connection properties) at this F.B.I. page and check it that way if you would prefer that way:
http://forms.fbi.gov/check-to-see-if-your-computer-is-using-rogue-DNS
I tried the test from the first link and passed with flying color (green of course), so I guess I am all systems go for July 9. Just thought I would let you guys know, even though the threat is very low...