Your company has a domain controller that runs Windows Server 2008 R2 and the DNS role. The
DNS domain is named contoso.com. You need to ensure that inquiries about contoso.com are sent
to dnsadmin@contoso.com. What should you do?

A.
Create a Signature (SIG) record for the domain controller.

B.
Modify the Name Server (NS) record for the domain controller.

C.
Modify the Service Location (SRV) record for the domain controller.

D.
Modify the Start of Authority (SOA) record on the domain controller.