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Event ID: 6004 Source: DNS

Source
Level
Description
The DNS server received a zone transfer request from <ip address> for a non-existent or non-authoritative zone <zone name>
Comments
 
This situation sometimes occur due to the utilization of the "nslookup ls -a" command from a workstation.
See MSW2KDB for information about this event.
This event is logged when uninstalling a rogue DNS server.
Self-explanatory.

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