Monitoring of "blackholed" DNS servers

Christopher.Harrington at Christopher.Harrington at
Fri Jun 8 17:44:40 UTC 2012



We have a list of DNS servers that we do not want our BIND DNS server
interacting with. We can put the IP addresses of those servers in the
blackhole substatement under options. Is there a way to monitor for when our
DNS server tries to communicate with servers that are in the blackhole list?
Is there a certain level of logging that needs to be enabled to see this?






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