Yeah, personally, I'd check myself.

 

Here is the pdf on the FBI's website explaining how to do it - bringing up a command window takes but a few seconds and then you can feel sure you're ok.

 

Also, be sure to check what they say about routers on this page

 

http://www.fbi.gov/news/stories/2011/november/malware_110911/DNS-changer-malware.pdf

Cheers,
Alisa

RETIRED HiveWire 3D QAV Director