Greetings, we have a PDNS 2.9.21 server that is authoritative for a couple of zones. I'm investigating on recent "java.net.UnknownHostException" that came up on some Java applications few times a day.
During my investigation I noticed something odd in "pdns_control list" output : corrupt-packets=8 deferred-cache-inserts=9353 deferred-cache-lookup= 8471 latency=0 packetcache-hit=423920330 packetcache-miss=109425963 packetcache-size=230 qsize-q=0 query-cache-hit=723194390 query-cache-miss=53504339 recursing-answers=1593163 recursing-questions=1593163 servfail-packets=0 tcp-answers=1 tcp-queries=2 timedout-packets=1 udp-answers=533348099 udp-queries=533348104 udp4-answers=531754936 udp4-queries=533348100 udp6-answers=0 udp6-queries=0 There's a significant difference between udp4-answers (531754936) and udp-answers (533348099). Any clues about that ?
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