An Assessor Begins an Internal Security Test of the Windows

An assessor begins an internal security test of the Windows domain internal.comptia.net . The assessor is given network access via DHCP, but is not given any network maps or target IP addresses. Which of the following commands can the assessor use to find any likely Windows domain controllers?

A) dig -q any _kerberos._tcp.internal.comptia.net
B) dig -q any _lanman._tcp.internal.comptia.net
C) dig -q any _ntlm._tcp.internal.comptia.net
D) dig -q any _smtp._tcp.internal.comptia.net