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Domain Name Servers (DNS) are a critical part of the Internet infrastructure. They translate human-readable domain names like contoso.

com into the IP addresses needed to locate the corresponding websites. Each computer on the Internet is assigned a unique IP address.

The DNS server is responsible for resolving domain names to IP addresses. If you do not specify a DNS server when you set up your computer, your computer will use the DNS server assigned to your ISP.

The DNS server that your ISP supplies is usually a less reliable and slower option than using a DNS server that you install on your own.

If you want to use a different DNS server, you can change the server settings in your computer’s Control Panel. The default DNS server is provided by your ISP, but you can change it to use a different server if you want.

You can also use a DNS server provided by your Internet service provider (ISP) if you want. The ISP’s DNS server is usually a more reliable and faster option than using a home-installed DNS server.