Microsoft windows 2000 DNS manual Windows 2000 White Paper

zone, that is, zzz.com., must also contain the zones containing all (internal and external) names of the merged companies.

Now take a look at a private namespace design and the configuration of the DNS servers, zones and clients for the YYY Corporation. The private namespace includes a private root,”.”.

A company must devote a set of DNS servers that are not exposed to the Internet to maintain zones containing internal names from the private company namespace. Every DNS client submits a query to some (preferred or alternative) DNS servers or to the proxy server(s) based on the Proxy AutoConfiguration File (PAC File). Every internal DNS server contains in its Root Hints the address(es) of the private root DNS server(s).

To guarantee that a company client is able to resolve any hostname from the merged companies the “.” zone must contain delegations to the top-level zones of the merged companies private namespaces.

The following examples of queries demonstrate the internal and external names in both corporations, including satisfaction of all requirements listed above.

Windows 2000 White Paper

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