©  Antonio Vazquez 2016

Antonio Vazquez, Learn CentOS Linux Network Services, 10.1007/978-1-4842-2379-6_4

4. DNS

Antonio Vazquez

(1)Madrid, Madrid, Spain

The number of interconnected computers is growing day by day. It is possible to design a hierarchical network addressing schema that assigns network addresses according to a computer’s physical location, but even in this case, it will always be easier to refer to computers by using names instead of IP addresses. A local DNS (Domain Name System) server will allow us to establish a direct relationship between a computer name and an IP address, which, in turn, will make it much easier to identify a local machine.

Today, DNS service is a critical part of IT infrastructure, as many other services depend ...

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