DNS or domain name system is the most important system, which responsible to translate domain names to the right IP addresses. The DNS is the main system of the internet, and without it, we can’t access any website or service on the internet.
However, sometimes, the domain name system on your computer got errors and can’t do its job. In this case, you can’t visit the websites you want as well as access to the internet. In order to get the internet back, you must fix DNS errors and solve the problem.