A DNS server is a computer that translates domain names, such as “example.com”, into IP addresses. When you type in “www.
example.com” into your web browser, the DNS server on your computer looks up the domain name and returns the corresponding IP address.
If the DNS server is not working properly, it may not be able to translate domain names into IP addresses. This can cause problems when you try to access websites or mail servers that are associated with the wrong domain name.
If the DNS server is not responding, there are several possible reasons. The DNS server may be offline or blocked by the network administrator.
It may also be configured incorrectly, causing it to not respond to requests.
In some cases, the DNS server may be overloaded and unable to respond to requests quickly enough. This can happen if there are a lot of people trying to access the server at the same time.
If the DNS server is not responding, there are a few things you can do to try to fix the problem. You can try restarting the DNS server.
You can also try to change the DNS server settings on your computer.
