OpenDNS FamilyShield | 208.67.222.123 and 208.67.220.123

Norton ConnectSafe | 199.85.126.30 and 199.85.127.30

Yandex.DNS Family | 77.88.8.7 and 77.88.8.3

Comodo SecureDNS 2.0 | 8.26.56.26 and 8.20.247.20

Dyn Internet Guide | 216.146.35.35 and 216.146.36.36 Take complete control of your Internet experience by blocking unsafe or unwanted content based on categories or via custom white/black lists with Dyn’s free Internet Guide.