Chapter 18. Administering a Domain via DNS

In order for computers to find one another by name on a TCP/IP network, the computers need some method of name resolution—that is, converting a hostname like gingko.threeroomco.com into an IP address like 192.168.78.109, or vice-versa. There are several ways of doing this, but one of the most common is to use a Domain Name System (DNS) server, also known as a name server. In fact, the instructions on basic configuration presented in Chapter 2, TCP/IP Network Configuration, describe configuring a computer to use a DNS server for name resolution. These instructions presuppose, however, that a DNS server exists that you can use. Furthermore, the Internet as a whole relies upon a distributed set of DNS servers. ...

Get Advanced Linux Networking now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.