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Mastering Ubuntu Server by Jay LaCroix

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Setting up name resolution (DNS) with bind

I'm sure most of you are familiar with the purpose of a Domain Name System (DNS) server. Its simplest definition is that it's a service that's responsible for matching an IP address to a hostname. When you connect to the Internet, name-to-IP matching happens constantly as you browse. After all, it's much easier to connect to https://www.google.com/ with its domain name, than it is to remember its IP address. When you connect to the Internet, your workstation or server will connect to an external DNS server in order to figure out the IP addresses for the websites you attempt to visit.

It's also very common to run a local DNS server, as well. The benefit is that you'll be able to resolve your local hostnames ...

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