management
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... same name space with different protocol families or
management. For example, host address formats differ between
...
... that describe
the top node of the zone are especially important to the zone's
management. These RRs are of two types: name server RRs ...
... RR, all of the servers for the zone, and a single SOA RR that
describes zone management parameters.
...
... root. The
data in the SOA RR describes the management of the zone. The zone data
is maintained on host SRI-NIC ...