Why you should change your DNS server
When you type a standard web address into your browser’s address bar, the request is sent to your DNS (Domain Name System) server. This then translates the URL into a numeric IP address so your browser can load the corresponding website. Your DNS server is assigned to you when you sign up with your internet provider, usually through the supplied router, and is used by all the devices connected to your home network. You’ll also have an alternative DNS server, as a backup in case there are technical problems with the main one.
Although your default DNS server will be perfectly adequate, the requests you make to it allow your ISP to view details of every site you visit. Switching to a different DNS server
