Now that you understand DNS from a high-level perspective, you also need to understand some DNS specifics, and details on how Mac OS X implements the DNS system.
Using BIND
The primary interface for configuring DNS services on Mac OS X Server is the graphical Server Admin utility. Similar to many other subsystems on Mac OS X [...]

Ensuring Data Integrity
As a system administrator, it’s not enough to automate alerts so that no log entry goes unnoticed, or to analyze current system utilization and shore up the network’s defenses against unauthorized activity. You also need to attend carefully to the data that lives on each device. In Mac OS X, data integrity has [...]