PowerDNS 4.3.1

Uptime: 2.96 months
Queries/second, 1, 5, 10 minute averages: 5, 8, 9. Max queries/second: 81
Cache hitrate, 1, 5, 10 minute averages: 31.7%, 17.4%, 15.8%
Backend query cache hitrate, 1, 5, 10 minute averages: 61.6%, 67.8%, 68.5%
Backend query load, 1, 5, 10 minute averages: 7, 11, 12. Max queries/second: 93
Total queries: 85146640. Question/answer latency: 0.069ms


Reset

Log Messages

Error resolving for fireWalL.seRViCe.iNTernal.EE.NCu.EDU.Tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL2626.0%
Could not retrieve security status update for '4.3.1' on 'auth-4.3.1.security-status.secpoll.powerdns.com.': RCODE was not NOERROR but Query Refused2424.0%
Error resolving for Pw.seRvIcE.iNtERNal.eE.nCU.EDu.Tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL1818.0%
Error resolving for ldap-SSp.seRvICE.inteRNal.eE.nCU.eDu.Tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL1212.0%
Error resolving for KANBAN.servICE.INtErnal.eE.nCu.EDu.TW ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL88.0%
Error resolving for ldap-ssp.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL66.0%
Error resolving for firewall.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL55.0%
Error resolving for pw.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL11.0%
Total:100100%
Reset

Remote server IP addresses

140.115.152.12229099658.2%
10.213.40.254242154.8%
140.115.70.85227204.5%
140.115.70.140214604.3%
140.115.152.152177573.6%
140.115.70.110106192.1%
140.115.70.10174281.5%
140.115.70.11859001.2%
140.115.153.4046310.9%
140.115.70.11444340.9%
Rest:8984018.0%
Total:500000100%
Reset

Remote hosts sending corrupt packets

140.115.152.6510100.0%
Total:10100%
Reset

Remote hosts querying domains for which we are not auth

10.213.40.2542994115.6%
140.115.70.852822414.7%
140.115.70.1402668313.9%
140.115.152.1522050710.7%
140.115.70.118127886.7%
140.115.70.110124266.5%
140.115.70.10192134.8%
140.115.153.4060083.1%
140.115.70.24749352.6%
140.115.70.11449252.6%
Rest:3612718.8%
Total:191777100%
Reset

Queries for existing records, but for type we don't have

ns2.ce.ncu.edu.tw/AAAA220.0%
ns.ce.ncu.edu.tw/AAAA220.0%
reLaY2.cE.nCu.EdU.tw/AAAA110.0%
mars-ii.sptlab.ce.ncu.edu.tw/NS110.0%
mars-ii.sptlab.ce.ncu.edu.tw/AAAA110.0%
rywei.ce.ncu.edu.tw/AAAA110.0%
solid08.ee.ncu.edu.tw/AAAA110.0%
icdc.ee.ncu.edu.tw/AAAA110.0%
Total:10100%
Reset

Queries for non-existent records within existent domains

252.152.115.140.in-addr.arpa/PTR57881.2%
134.73.115.140.in-addr.arpa/PTR57031.2%
21.152.115.140.in-addr.arpa/PTR39930.8%
63.152.115.140.in-addr.arpa/PTR39170.8%
128.152.115.140.in-addr.arpa/PTR39020.8%
64.70.115.140.in-addr.arpa/PTR38250.8%
49.70.115.140.in-addr.arpa/PTR38060.8%
62.73.115.140.in-addr.arpa/PTR38040.8%
16.154.115.140.in-addr.arpa/PTR38040.8%
250.154.115.140.in-addr.arpa/PTR28920.6%
Rest:45321991.6%
Total:494653100%
Reset

UDP Queries Received

settings-win.data.microsoft.com/AAAA330.0%
mars-ii.sptlab.ce.ncu.edu.tw/NS220.0%
162.158.115.140.IN-ADDR.ARPA/PTR110.0%
ecs.office.com/AAAA110.0%
gmail.com/MX110.0%
mars-ii.sptlab.ce.ncu.edu.tw/AAAA110.0%
solid08.ee.ncu.edu.tw/AAAA110.0%
Total:10100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

settings-win.data.microsoft.com/AAAA44.0%
mobilenetworkscoring-pa.googleapis.com/AAAA44.0%
mobilenetworkscoring-pa.googleapis.com/A44.0%
rtb.mfadsrvr.com/A44.0%
dns.msftncsi.com/A44.0%
a.sportradarserving.com/A44.0%
a.root-servers.net/A33.0%
p2p-tyo3.discovery.steamserver.net/A33.0%
ums.acuityplatform.com/A33.0%
a.nel.cloudflare.com/A22.0%
Rest:6565.0%
Total:100100%

Variables

corrupt-packets2058Number of corrupt packets received
deferred-cache-inserts34884Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup10771Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts24350Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup3755Amount of packet cache lookups that were deferred because of maintenance
dnsupdate-answers0DNS update packets successfully answered.
dnsupdate-changes0DNS update changes to records in total.
dnsupdate-queries0DNS update packets received.
dnsupdate-refused0DNS update packets that are refused.
incoming-notifications160NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit12825897Number of hits on the packet cache
packetcache-miss72352972Number of misses on the packet cache
packetcache-size926Number of entries in the packet cache
query-cache-hit244464521Number of hits on the query cache
query-cache-miss107681359Number of misses on the query cache
query-cache-size1306Number of entries in the query cache
rd-queries63517252Number of recursion desired questions
recursing-answers96049Number of recursive answers sent out
recursing-questions0Number of questions sent to recursor
recursion-unanswered11Number of packets unanswered by configured recursor
security-status0Security status based on regular polling
servfail-packets1083Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers40537Number of answers sent out over TCP
tcp-answers-bytes2703176Total size of answers sent out over TCP
tcp-queries40503Number of TCP queries received
tcp4-answers40537Number of IPv4 answers sent out over TCP
tcp4-answers-bytes2703176Total size of answers sent out over TCPv4
tcp4-queries40503Number of IPv4 TCP queries received
tcp6-answers0Number of IPv6 answers sent out over TCP
tcp6-answers-bytes0Total size of answers sent out over TCPv6
tcp6-queries0Number of IPv6 TCP queries received
timedout-packets16330Number of packets which weren't answered within timeout set
udp-answers85130303Number of answers sent out over UDP
udp-answers-bytes7624189829Total size of answers sent out over UDP
udp-do-queries10717972Number of UDP queries received with DO bit
udp-queries85146644Number of UDP queries received
udp4-answers85034254Number of IPv4 answers sent out over UDP
udp4-answers-bytes7624189829Total size of answers sent out over UDPv4
udp4-queries85146644Number of IPv4 UDP queries received
udp6-answers0Number of IPv6 answers sent out over UDP
udp6-answers-bytes0Total size of answers sent out over UDPv6
udp6-queries0Number of IPv6 UDP queries received
cpu-iowait16933055Time spent waiting for I/O to complete by the whole system, in units of USER_HZ
cpu-steal0Stolen time, which is the time spent by the whole system in other operating systems when running in a virtualized environment, in units of USER_HZ
fd-usage25Number of open filedescriptors
key-cache-size38Number of entries in the key cache
latency1876Average number of microseconds needed to answer a question
meta-cache-size109Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage130027520Actual unique use of memory in bytes (approx)
ring-logmessages-capacity100Maximum number of entries in the logmessages ring
ring-logmessages-size100Number of entries in the logmessages ring
ring-noerror-queries-capacity10Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size10Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity500000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size494654Number of entries in the nxdomain-queries ring
ring-queries-capacity10Maximum number of entries in the queries ring
ring-queries-size10Number of entries in the queries ring
ring-remotes-capacity500000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity1000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size10Number of entries in the remotes-corrupt ring
ring-remotes-size500000Number of entries in the remotes ring
ring-remotes-unauth-capacity500000Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size191778Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity1000Maximum number of entries in the servfail-queries ring
ring-servfail-queries-size0Number of entries in the servfail-queries ring
ring-unauth-queries-capacity100Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size100Number of entries in the unauth-queries ring
signature-cache-size0Number of entries in the signature cache
sys-msec16846580Number of msec spent in system time
udp-in-errors39891UDP 'in' errors
udp-noport-errors568UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime7778449Uptime of process in seconds
user-msec23600518Number of msec spent in user time