Chapter 1. Understanding the Domain Name System

Time

This lesson takes approximately 60 minutes to complete.

Goals

Understand the purposes of a DNS server

Learn how a DNS server uses a hierarchy of DNS servers to resolve a domain name that’s not stored locally

Describe DNS zones and zone records

Identify the three types of DNS zones

Examine the record types in the DNS and their purposes

Learn the differences between a fully qualified domain name and a relative domain name

Locate and use the official BIND documentation

Become familiar with the underlying configuration and directory file structure of DNS services

Understand the impact of a preexisting DNS service on initial server setup

Learn how the DNS associates computer host names with IP ...

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