Step 1: Go to the Windows desktop.
Step 2: Open the Start menu.
Step 3: From the Start menu, select “Windows Administrative Tools,” and then choose “DNS.”
Step 4: Select your server by clicking and holding (or right-clicking), and then choose “Properties.”
Step 5: In the “DNS Server Properties” window, go to the “Root Hints” tab and select it.
Step 6: Choose the specific root hint entry you want to edit, and then click “Edit.”
Step 7: Enter the fully qualified domain name (FQDN) for the root hint server. Afterward, click “Resolve” to verify the IP address. If necessary, make edits to the IP address.
Step 8: Once the IP address is verified, and any necessary edits are made, click “OK” to save your changes.
Step 9: Review the updated root hint server in the list. Note that the name server will have a trailing dot (.) in DNS notation.
Step 10: When you are satisfied with the changes, select “OK” to finalize the configuration.