By using the Domain Name System (DNS) server role, you can provide a primary name resolution process for users on your network. The name resolution process enables users to locate computers on the network by querying for a user-friendly computer name instead of an IP address. A computer running the DNS server role can host the records of a distributed DNS database and use the records to resolve DNS name queries that are sent by DNS client computers. These queries can include requests such as the names of Web sites or computers in your network or on the Internet.

You can also integrate the DNS server role with Active Directory Domain Services (AD DS) to store and replicate DNS zones. This makes multimaster replication possible, along with more secure transmission of DNS data. In turn, AD DS requires DNS so that clients can locate domain controllers.

In the following sections, learn more about the DNS server role, the required and optional features in the DNS server role, and hardware and software for running it. In addition, learn how to open the administrative tool for the DNS server role and how to find more information about it.

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