DNS Name Server Types and Roles
So far, we have looked at the functions of DNS servers, focusing on the important job of storing name server information. There are many thousands of DNS servers on the Internet, and not all are used in the same way. Each DNS server has a particular role in the overall operation of the name system. The different kinds of servers also interact with each other in a variety of ways.
Master (Primary)/Slave (Secondary) Servers
Every zone needs to have at least one DNS name server that is responsible for it. These DNS name servers are called authoritative servers for the zone, because they contain the full set of RRs that describe the zone. When any device on the Internet wants to know something about a zone, it consults ...
Get TCP/IP Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
