What Are Active Directory Integrated Zones?
One
benefit of integrating DNS and Active Directory is the ability to integrate DNS
zones into an Active Directory database. A zone is a portion of the domain
namespace that has a logical grouping of resource records, which allows zone
transfers of these records to operate as one unit.
Active Directory Integrated Zones
Microsoft
DNS servers store information that is used to resolve host names to IP
addresses and IP addresses to host names in a database file that has the
extension .dns for each zone.