What are the benefits of using Windows 2003 DNS when using AD-integrated zones?
If your DNS topology includes Active Directory, use Active Directory integrated zones. Active Directory integrated zones enable you to store zone data in the Active Directory database. Zone information about any primary DNS server within an Active Directory integrated zone is always replicated. Because DNS replication is single-master, a primary DNS server in a standard primary DNS zone can be a single point of failure. In an Active Directory integrated zone, a primary DNS server cannot be a single point of failure because Active Directory uses multimaster replication. Updates that are made to any domain controller are replicated to all domain controllers and the zone information about any primary DNS server within an Active Directory integrated zone is always replicated. Active Directory integrated zones: Enable you to secure zones by using secure dynamic update. Provide increased fault tolerance. Every Active Directory integrated zone can be replicated to all domain controllers withi