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: 184.108.40.206 220.127.116.11 Related articles What IP addresses may Gradwell send VoIP traffic from? How does DNS work? What are the addresses of the Gradwell nameservers? Yealink T20PN - initial setup Using an externally hosted mail server Comments 0 comments Article is closed for comments.