Your company has a single Active Directory forest that has an Active Directory domain named
na.contoso.com. A server named Server1 runs the DNS Server server role. You notice stale resource
records in the na.contoso.com zone. You have enabled DNS scavenging on Server1. Three weeks
later, you notice that the stale resource records remain in na.contoso.com. You need to ensure that
the stale resource records are removed from na.contoso.com. What should you do?

A.
Stop and restart the DNS Server service on Server1.

B.
Enable DNS scavenging on the na.contoso.com zone.

C.
Run the dnscmd Server1 /AgeAllRecords command on Server1.

D.
Run the dnscmd Server1 /StartScavenging command on Server1.