2.2. Introducing DNS Database Zones
As we mentioned earlier in this chapter, a DNS zone is a portion of the DNS namespace over which a specific DNS server has authority. Within a given DNS zone there are resource records (RRs) that define the hosts and other types of information that make up the database for the zone.
You can choose from several different zone types. Understanding the characteristics of each will help you choose which is right for your organization.
The DNS zones discussed in this book are all Microsoft Windows Server 2008 zones. Non-Windows (e.g., Unix) systems set up their DNS zones differently.
In the following sections, we will discuss the different zone types and their characteristics.