You need to identify which service location (SRV) records are registered by DC3

Your network contains an Active Directory domain named adatum.com. The domain contains three domain
controllers. The domain controllers are configured as shown in the following table.

DC3 loses network connectivity due to a hardware failure.
You plan to remove DC3 from the domain.
You log on to DC3.
You need to identify which service location (SRV) records are registered by DC3.
What should you do?

A.
Open the %windir%\system32\dns\backup\adatum.com.dns file.

B.
Open the %windir%\system32\config\netlogon.dns file.

C.
Run ipconfig /displaydns.

D.
Run dcdiag /test:dns.

Explanation:
Netlogon service creates a log file that contains all the locator resource records and places the log file in the
following location:%windir%\system32\config\netlogon.dns