PowerDNS 4.3.1

Uptime: 1.5 months
Queries/second, 1, 5, 10 minute averages: 3, 4, 4. Max queries/second: 481
Cache hitrate, 1, 5, 10 minute averages: 33.4%, 36.8%, 37.0%
Backend query cache hitrate, 1, 5, 10 minute averages: 60.2%, 61.2%, 61.0%
Backend query load, 1, 5, 10 minute averages: 4, 5, 5. Max queries/second: 418
Total queries: 13388272. Question/answer latency: 0.105ms


Reset

Log Messages

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 SERVFAIL15531.0%
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 SERVFAIL12224.4%
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 SERVFAIL11022.0%
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 SERVFAIL9619.2%
Limit of simultaneous TCP connections reached - raise max-tcp-connections91.8%
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 Refused61.2%
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 SERVFAIL20.4%
Total:500100%
Reset

Remote server IP addresses

140.115.152.1522727.0%
140.115.70.1031212.0%
140.115.70.8588.0%
140.115.70.8466.0%
172.70.32.2944.0%
140.115.152.16144.0%
140.115.70.10944.0%
140.115.70.10144.0%
61.220.6.12333.0%
140.115.70.11433.0%
Rest:2525.0%
Total:100100%
Reset

Remote hosts sending corrupt packets

140.115.152.652793.1%
140.115.70.10626.9%
Total:29100%
Reset

Remote hosts querying domains for which we are not auth

140.115.152.1523030.0%
140.115.70.1031616.0%
140.115.70.8588.0%
140.115.70.8466.0%
140.115.70.10166.0%
140.115.152.16155.0%
140.115.70.11344.0%
140.115.70.24744.0%
140.115.70.10944.0%
140.115.153.4033.0%
Rest:1414.0%
Total:100100%
Reset

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

Total:0100%
Reset

Queries for non-existent records within existent domains

1.70.115.140.in-addr.arpa/PTR53253.2%
115.154.115.140.in-addr.arpa/PTR454.5%
bBs.EE.NcU.edU.TW/MX292.9%
169.152.115.140.in-addr.arpa/PTR171.7%
dOCKEr.SerVICe.inteRNal.Ee.ncu.edU.Tw/A171.7%
138.152.115.140.in-addr.arpa/PTR141.4%
206.73.115.140.in-addr.arpa/PTR121.2%
bbs.ee.ncu.edu.tw/A101.0%
mail.bbs.ee.ncu.edu.tw/A80.8%
170.152.115.140.in-addr.arpa/PTR70.7%
Rest:30930.9%
Total:1000100%
Reset

UDP Queries Received

connections.brother.com/A44.0%
assets.msn.com/AAAA44.0%
marS-iv.sPtLab.Ce.ncu.EDU.Tw/A33.0%
update-windows.grammarly.com/A33.0%
sptlab.ce.ncu.edu.tw/A33.0%
doh.dns.apple.com/TYPE6522.0%
doh.dns.apple.com/A22.0%
pancake.apple.com/TYPE6522.0%
icloud.com/TYPE6522.0%
pancake.apple.com/A22.0%
Rest:7373.0%
Total:100100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

mobile.events.data.microsoft.com/A204.0%
dns.msftncsi.com/A173.4%
a.root-servers.net/A163.2%
connections.brother.com/A132.6%
p2p-hkg1.discovery.steamserver.net/A112.2%
ipv6.msftncsi.com/A71.4%
ctldl.windowsupdate.com/AAAA71.4%
www.google.com/AAAA61.2%
p2p-tyo3.discovery.steamserver.net/A61.2%
www.google.com/A61.2%
Rest:39178.2%
Total:500100%

Variables

corrupt-packets903Number of corrupt packets received
deferred-cache-inserts9902Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup4749Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts13759Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup2239Amount 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-queries2DNS update packets received.
dnsupdate-refused2DNS update packets that are refused.
incoming-notifications8NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit4417617Number of hits on the packet cache
packetcache-miss9003773Number of misses on the packet cache
packetcache-size477Number of entries in the packet cache
query-cache-hit24566258Number of hits on the query cache
query-cache-miss17522664Number of misses on the query cache
query-cache-size357Number of entries in the query cache
rd-queries5805319Number of recursion desired questions
recursing-answers60881Number of recursive answers sent out
recursing-questions0Number of questions sent to recursor
recursion-unanswered0Number of packets unanswered by configured recursor
security-status0Security status based on regular polling
servfail-packets96Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers37346Number of answers sent out over TCP
tcp-answers-bytes3002585Total size of answers sent out over TCP
tcp-queries37365Number of TCP queries received
tcp4-answers37346Number of IPv4 answers sent out over TCP
tcp4-answers-bytes3002585Total size of answers sent out over TCPv4
tcp4-queries37365Number 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-packets422Number of packets which weren't answered within timeout set
udp-answers13387844Number of answers sent out over UDP
udp-answers-bytes788872222Total size of answers sent out over UDP
udp-do-queries3211450Number of UDP queries received with DO bit
udp-queries13388272Number of UDP queries received
udp4-answers13326963Number of IPv4 answers sent out over UDP
udp4-answers-bytes788872222Total size of answers sent out over UDPv4
udp4-queries13388272Number 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-iowait45934758Time 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
latency105Average 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-usage64172032Actual unique use of memory in bytes (approx)
ring-logmessages-capacity500Maximum number of entries in the logmessages ring
ring-logmessages-size500Number of entries in the logmessages ring
ring-noerror-queries-capacity1000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size0Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity1000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size1000Number of entries in the nxdomain-queries ring
ring-queries-capacity100Maximum number of entries in the queries ring
ring-queries-size100Number of entries in the queries ring
ring-remotes-capacity100Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity1000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size29Number of entries in the remotes-corrupt ring
ring-remotes-size100Number of entries in the remotes ring
ring-remotes-unauth-capacity100Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size100Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity10000Maximum number of entries in the servfail-queries ring
ring-servfail-queries-size0Number of entries in the servfail-queries ring
ring-unauth-queries-capacity500Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size500Number of entries in the unauth-queries ring
signature-cache-size0Number of entries in the signature cache
sys-msec3148186Number of msec spent in system time
udp-in-errors42520UDP 'in' errors
udp-noport-errors889UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime3947465Uptime of process in seconds
user-msec2727495Number of msec spent in user time