parent domain

Definition of parent domain in The Network Encyclopedia.

What is parent domain (in computer networking)?

A domain in a Microsoft Windows 2000 domain tree whose Domain Name System (DNS) name forms the basis of subdomains called child domains. For example, the parent domain named microsoft.com could include three child domains named dev.microsoft.com, marketing.microsoft.com, and support.microsoft.com. A two-way transitive trust exists between a parent domain and its associated child domains.

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