Root server and the DNS

[Cricket Liu]

> Could someone please tell me whether the root server holds information
> about ALL top level domains? Or does it have information about the
> machines that have been authorised to resolve the various top level
> domains? Or neither... Thanks.

The root name *servers* (there are 13) hold delegation
information for the 200+ top-level zones in the Internet's
name space.  The information in a top-level zone (say com) is separate from
the root zone.

cricket

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