To check to which Domain Controller the end nodes are connected

From command prompt type:

Set l

Output>> 

C:\Users\Rinith >set l

LOCALAPPDATA=C:\Users\Rinith\AppData\Local

LOGONSERVER=\\HQABCD

Check Operational Group Policy from DC:

From Event Viewer

>>Applications and Services Logs >> Microsoft >> Windows > GroupPolicy >> Operational >> Filter Event ID 5310

Result:

Account details:

            Account Name : CN=**01P,OU=Domain Controllers,DC=ABCD,DC=COM

            Account Domain Name : ABCD.COM

            DC Name : \\**01P.ABCD.COM

            DC Domain Name : ABCD.COM