Service provider: Google Google public dns server 

IP address: 8.8.8.8

8.8.4.4 

Service provider:Dnsadvantage

Dnsadvantage free dns server list: 156.154.70.1 156.154.71.1

Service provider:OpenDNS

OpenDNS free dns server list / IP address: 208.67.222.222 208.67.220.220

Service provider:Norton Norton free dns server list / IP address: 198.153.192.1 198.153.194.1

Service provider: GTEI DNS (now Verizon) Public Name server IP address: 4.2.2.1 4.2.2.2 4.2.2.3 4.2.2.4 4.2.2.5 4.2.2.6

Service provider: ScrubIt Public dns server address: 67.138.54.100 207.225.209.66