You manage the DNS servers for the eastsim domain. You have a domain controller named DNS1 running Windows Server 2016 that holds a standard primary zone for the eastsim zone. You would like to configure DNS1 to use forwarders for all unknown zones. You edit the DNS server properties for DNSl. On the forwarders tab, you find that the Use root hints if noforwarders are available option is disabled. You also find you are unable to edit the forwarders list.What should you do?A. Configure root hints on DNSl.B. Change the eastsim.com domain to an Active Directory-integrated zone.C. Enable recursion on DNSl.D. Configure conditional forwarders.