DNS server isn't responding,' 'DNS lookup failed,' 'NXDOMAIN' and 'DNS resolution timeout' are just some of the possible ways your browser or internet-enabled device tells you there is a DNS failure.

Or alternatively you have tried sending mails but there are no proper mail settings in your mobile which results in that you will not be able to view or retrieve the site you are attempting to access ...

In this post, we are going to talk about what you can do if you come across the error, Your computer appears to be correctly configured but the web proxy is not ...