Switch to OpenDNS
OpenDNS. A Safer, Faster and Smarter DNS network, open to any user: you only need to change your DNS configuration to:
208.67.222.222208.67.220.220
If you need other info, take a look at the FAQ page.
I experienced a speed improvement in name resolution and the anti-phishing system works great and transparently. It’s a very good initiative.