If you want to Preload the client resolver cache follow this procedure
At the client computer, open Command Prompt.
At the command prompt, type the following command:
Using the default entry in the file (a mapping for the local host to the loopback IP address, 127.0.0.1), add additional host name-to-address mappings on separate lines to be preloaded into the resolver cache of the client. For example, you might add:
10.0.0.1 host-a host-a.example.microsoft.com
On the File menu, click Save, and then Exit.
As an option, you can verify that your changes have been updated in the resolver cache by viewing its contents.