[Pdns-users] Strange log message from PDNS Recusrsor!

[RBK1001]

Hi

I have enable the syslog on PDNS Recusrsor, and I noticed that there is some
different on the debug message when the DNS query is on the cache.

Below is the debug message when pdns_recursor is send to backend DNS sever
for query

Feb 19 09:17:39 SYSTEM01 pdns_recursor[27909]: [ID 702911 local0.error] 0
[434] question for '9.1.1.1.1.1.2.9.e164.arpa.|#35' from 172.28.40.65
Feb 19 09:17:39 SYSTEM01 pdns_recursor[27909]: [ID 702911 local0.error] 0
[434] answer to question '9.1.1.1.1.1.2.9.e164.arpa.|#35': 1 answers, 0
additional, took 1 packets, 0 throttled, 0 timeouts, 0 tcp connections,
rcode=0


Below is the debug message when pdns_recursor reply the query from its cache
(without sending to backend DNS sever for query)

Feb 19 09:17:45 SYSTEM01 pdns_recursor[27909]: [ID 702911 local0.error] 1
question answered from packet cache from 172.28.40.65
Feb 19 09:17:50 SYSTEM01 pdns_recursor[27909]: [ID 702911 local0.error] 0
question answered from packet cache from 172.28.40.65

Question: why sometimes see the message as "1 question answered" and
sometimes is "0 question answered"?

- RBK
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