Good to hear you fixed it! Bare in mind that there are many great alternatives you could give a go.
Google DNS (some say this is the fastest in the world): The primary is 188.8.131.52 while alternate is 184.108.40.206 NortonDNS
(fast, reliable and has great security). It has a number of options for you to choose from to best suit your needs.
You might also be interested in OpenDNS
which has both free and premium versions.