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Chapter 8.3. Domain Name System (DNS) > Configuring DNS Servers

Configuring DNS Servers

The following section details a number of configurations that are typically implemented by DNS administrators.

Root Hints

For a name server to be able to begin resolving host names in its namespace, it must have a way of contacting the root servers for the namespace that it is interacting in. If the server is responsible for resolving hostnames in the public Internet, it must have the IP addresses of the public root servers. If the server exists within a private namespace that is not part of the public namespace, it must have the addresses of the servers in that private namespace that fulfill the roles of root servers. The IP addresses initially provided to a DNS server to allow it to traverse the namespace to which it belongs are called root hints. The root hints are stored in the cache.dns file located in the %systemroot%\ system32\dns folder.


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