If your AD domain does not already have a reverse lookup zone, you can create one for the applicable AD domain in your DNS.
1.On a Windows server from which you can configure your DNS, click the Start button and select Administrative Tools ► Active Director Users and Computers.
2.Under Roles in the tree view in the left panel of the Active Director Users and Computers window, expand DNS Server ► DNS ► ad-domain-name ► Reverse Lookup Zones.
3.Right-click Reverse Lookup Zones and select New Zone from the dropdown menu.
The New Zone Wizard window opens.
4.In the New Zone Wizard window, click the Next button.
The Zone Type page appears.
5.Select the Primary zone option. Then click the Next button.
The Active Directory Zone Replication Scope page appears.
6.Click the Next button.
The Reverse Lookup Zone Name page appears.
7.Click the Next button.
The Reverse Lookup Zone Name page display changes.
8.In the Network ID field, type the first three octets of the subnet for the applicable AD domain. Then click the Next button.
The Dynamic Update page appears.
9.Click the Next button.
The Completing New Zone Wizard page appears.
10.Click the Finish button.
To see the reverse lookup you just created, expand Reverse Lookup Zones in the tree view in the left panel of the Active Director Users and Computers window. The name of the reverse lookup zone, which appears under Reverse Lookup Zones, consists of the first three octets that you specified in step 8 above in reverse order, followed by in-addr.arpa., as in this sample Active Director Users and Computers window.
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