I added OpenDNS logo here in my blog (at left pane). You should see “sweet” if you are already using OpenDNS servers:
OpenDNS DNS servers:
Go to http://www.opendns.com to get started or just enter the above DNS servers in your connection settings.
When you’re done, go to http://www.opendns.com/welcome/, you should see:
I have the same in Calendar of Updates portal.
Test if your DNS servers is vulnerable: