[melville_X]

A good free alternative is Comodo (8.26.56.26), I trust them slightly more than Google and they have security features such as malware detection.

http://www.comodo.com/secure-dns/

[higherpurpose]

Comodo? This Comodo?

https://www.schneier.com/blog/archives/2011/03/comodo_group_...

http://youtu.be/pDmj_xe7EIQ?t=4m59s