All queries are from the same client whose ip is 192.168.100.126, but why the
port which each query from is so different?
The source port is random and it should be different.
I disabled the recursion of bind 9 ,but all the Recursion Desired flag was set
'+', this confused me. >
If you add the +norec (no recursion) flag to dig, it will not request recursion
The client object identifiers are not the same although all queries are from
the same client.
That is correct, and you can safely ignore them. BIND developers can use those
for intense debugging.
One more thing, I use dlz to allows zone data to be retrieved from postgresql.
I think (actually I'm pretty sure) that DLZ at you have been using it is
meanwhile deprecated, so I would consider migrating to something else, i.e.
plain zone master files. (Please do not confuse DLZ as you've been using
it with the new DLZ loadable modules.)
-JP
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