O'Reilly logo

TCP/IP Guide by Charles M. Kozierok

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

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 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required