21 Install and Configure Domain Name System (DNS) on Windows Server 2003 for Internal Website

The resolution of names through the use of Domain Name System (DNS) is central to Windows operation. Without proper name resolution, users cannot locate resources on the network. It is critical that the design of the DNS namespace be created with Active Directory in mind and that the namespace that exists on the Internet not conflict with an organization’s internal namespace.
Sorce: http://support.microsoft.com/kb/254680

source

windows server