Connected: An Internet Encyclopedia
2.4. Elements of the DNS

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2.4. Elements of the DNS

2.4. Elements of the DNS

The DNS has three major components:

These three components roughly correspond to the three layers or views of the domain system:

In the interests of performance, implementations may couple these functions. For example, a resolver on the same machine as a name server might share a database consisting of the the zones managed by the name server and the cache managed by the resolver.


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Connected: An Internet Encyclopedia
2.4. Elements of the DNS