Comparison of a DNS Zone and DNS Domain

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This article compares and contrasts Domain Name System (DNS) Zones andDomains.
Domain name servers store information about part of the domain name spacecalled a zone. The name server is authoritative for a particular zone. Asingle name server can be authoritative for many zones.

Understanding the difference between a zone and a domain is sometimesconfusing. A zone is simply a portion of a domain. For example, theDomain may contain all of the data for, and However, the contains only information for and references tothe authoritative name servers for the subdomains.

The zone can contain the data for subdomains of Microsoft.comif they have not been delegated to another server. For example, may manage its own delegated may be managed by the parent,

If there are no subdomains, then the zone and domain are essentially thesame. In this case the zone contains all data for the domain.

Article ID: 164054 - Last Review: 12/04/2015 16:24:44 - Revision: 1.2

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows NT Server 4.0 Standard Edition

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