Mastering Active Directory - Second Edition

Zone transfers

Healthy DNS replication is a key requirement for service and infrastructure integrity. In the previous section, I explained the different zones. I also mentioned how to set the zone transfer permissions. Now, it is time to look into DNS replications.

There are two types of zone file replications:

• Asynchronous Full Transfer Zone (AXFR): When setting up a new secondary zone, the system will replicate a full copy of the zone file from the master server. It is not just for the secondary zone; it's applicable to other zones, too. In the event of DNS replication issues, the administrator may need to request a full zone transfer from its master server from time to time.
• Incremental Zone Transfer (IXFR): After the initial full zone ...