This article explains Strict Replication and how you enable it on the domain controllers in the Forest.
You can use the Dnscmd command to view a list of the zones on a DNS server.
You can use the Nslookup command to verify that the SRV resource records needed by Active Directory have been created properly when Dcpromo was run on the server.
You can use the Netsh command to display statistics for a single scope on your DHCP server.
You can use the Netsh command to display statistics for a DHCP server.