What are the IP addresses of Gradwell’s DNS servers? Robert Weeks Updated 19 October 2016 12:39 Follow If you wish to use Gradwell's DNS servers, the IP addresses are as follows: 220.127.116.11 18.104.22.168 Related articles How does DNS work? What IP addresses may Gradwell send VoIP traffic from? What are the addresses of the Gradwell nameservers? Yealink T20PN - initial setup How to setup a Technicolor TG588v router for use with Gradwell ADSL broadband services Comments 0 comments Article is closed for comments.