This article applies to Windows Dedicated Servers running Plesk control panel.
By default, your Windows Plesk Dedicated Server is configured with DNS recursion enabled for local requests only. In the event that you wish to disable DNS recursion completely, you should take the following steps in Plesk
Login to your Parallels Plesk Panel.
Click on the DNS settings icon under the Server heading.
Click on the DNS recursion tab.
On the resulting screen, click on the Deny radio option and then click the Set button
Recursive DNS will now be disabled for your Windows dedicated server.