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CentOS 7 Linux Server Cookbook - Second Edition by Jonathan Hobson, Oliver Pelz

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Installing and configuring a caching-only nameserver

Every network communication between computers can only be made through the use of unique IP addresses to identify the exact endpoints of the communication. For the human brain, numbers are always harder to remember and work with than assigning names to things. Therefore, IT pioneers started in the early 70s to invent systems for translating names to physical network addresses using files and later simple databases. In modern computer networks and on the Internet, the relationship between the name of a computer and an IP address is defined in the Domain Name System (DNS) database. It is a worldwide distributed system and provides domain name to IP address resolution and also the reverse, that ...

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