loyal3 doesn't support 2fa
Add Symantec VIP to providers.yml
OpenDNS two-step verification added
Merge pull request #509 from mxxcon/Verisign_VIP

Add Symantec VIP to providers.yml
Merge pull request #507 from ilyakatz/loyal3

loyal3 doesn't support 2fa
Switch document on opendns listing to public blog post
Merge pull request #510 from philipithomas/master

OpenDNS two factor auth