What are the types of DNS Zones?

Standard Primary zone: Contains a local copy of the DNS zone where resource records are created and updated.

Secondary zone: Contains a read-only version of the zone file that is stored in a standard text file. Any changes to the zone are recorded in the primary zone file and replicated to the secondary zone file. Create a standard secondary zone to create a copy of an existing zone and its zone file. This allows the name resolution workload to be distributed among multiple DNS servers.

Active Directory integrated zone: Stores the zone information in Active Directory, rather than a text file. Updates to the zone occur automatically during Active Directory replication. Create an Active Directory integrated zone to simplify planning and configuration of a DNS namespace. You do not need to configure DNS servers to specify how and when updates occur, because Active Directory maintains zone information.

Stub zone: A copy of a zone that contains only the resource records needed to identify authoritative DNS servers, thereby simplifying DNS administration and improving name resolution.                                                                                                                                                     uses its local DNS cache information to resolve DNS queries for clients.

Stub zones contain only:

  • Start of Authority (SOA) record
  • Name Server (NS) records
  • (A) records



Author: MStechJi

IT professional with 8.5 years of experience in providing Remote Infrastructure Support in Windows Server environment including MS Azure. Intent to increase my knowledge and experience and share some tips and tricks I’ve learnt along the way.

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