PowerDNS 4.3.1

Uptime: 3.46 months
Queries/second, 1, 5, 10 minute averages: 15, 10, 10. Max queries/second: 81
Cache hitrate, 1, 5, 10 minute averages: 11.6%, 15.6%, 15.9%
Backend query cache hitrate, 1, 5, 10 minute averages: 77.5%, 70.4%, 69.6%
Backend query load, 1, 5, 10 minute averages: 15, 12, 12. Max queries/second: 95
Total queries: 100785276. Question/answer latency: 0.082ms


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 SERVFAIL132016.6%
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 SERVFAIL120915.2%
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 SERVFAIL105313.2%
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 SERVFAIL87511.0%
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 SERVFAIL83510.5%
Error resolving for kanban.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL7239.1%
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 SERVFAIL6177.7%
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 SERVFAIL5266.6%
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 Refused4515.7%
Limit of simultaneous TCP connections reached - raise max-tcp-connections3334.2%
Rest:210.3%
Total:7963100%
Reset

Remote server IP addresses

140.115.152.122440.0%
140.115.152.152220.0%
127.0.0.1110.0%
221.224.191.62110.0%
140.115.70.139110.0%
172.253.218.221110.0%
Total:10100%
Reset

Remote hosts sending corrupt packets

140.115.152.652727.0%
5.200.33.201313.0%
5.200.34.201010.0%
140.115.72.3955.0%
45.63.77.17755.0%
149.28.123.14655.0%
140.115.70.13933.0%
172.253.206.6122.0%
140.115.70.8422.0%
172.217.34.15511.0%
Rest:2727.0%
Total:100100%
Reset

Remote hosts querying domains for which we are not auth

140.115.70.853233.3%
10.213.40.2541111.5%
140.115.152.1521010.4%
140.115.70.14088.3%
140.115.152.16166.2%
140.115.70.10155.2%
140.115.70.11055.2%
140.115.70.10344.2%
140.115.70.13933.1%
140.115.70.24733.1%
Rest:99.4%
Total:96100%
Reset

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

ns.ee.ncu.edu.tw/AAAA7131923.5%
ns2.ee.ncu.edu.tw/AAAA7062823.2%
ns.ce.ncu.edu.tw/AAAA276239.1%
ns2.ce.ncu.edu.tw/AAAA266478.8%
solid08.ee.ncu.edu.tw/AAAA52581.7%
ee.ncu.edu.tw/DNSKEY52131.7%
ce.ncu.edu.tw/DNSKEY46331.5%
relay2.ee.ncu.edu.tw/AAAA41931.4%
Www.eE.ncu.Edu.Tw/AAAA28000.9%
vaplab.ce.ncu.edu.tw/AAAA26770.9%
Rest:8285227.3%
Total:303843100%
Reset

Queries for non-existent records within existent domains

Total:0100%
Reset

UDP Queries Received

252.152.115.140.in-addr.arpa/PTR121.2%
134.73.115.140.in-addr.arpa/PTR111.1%
ASPMX.L.GOOGLE.COM/A90.9%
mobilenetworkscoring-pa.googleapis.com/AAAA80.8%
62.73.115.140.in-addr.arpa/PTR80.8%
63.152.115.140.in-addr.arpa/PTR80.8%
mobilenetworkscoring-pa.googleapis.com/A80.8%
128.152.115.140.in-addr.arpa/PTR80.8%
16.154.115.140.in-addr.arpa/PTR80.8%
64.70.115.140.in-addr.arpa/PTR70.7%
Rest:91391.3%
Total:1000100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

ASPMX.L.GOOGLE.COM/A55.0%
mobilenetworkscoring-pa.googleapis.com/AAAA44.0%
mobilenetworkscoring-pa.googleapis.com/A44.0%
a.root-servers.net/A33.0%
dns.msftncsi.com/A33.0%
time4.google.com/AAAA22.0%
time1.google.com.smb.com/AAAA22.0%
ctldl.windowsupdate.com/A22.0%
ctldl.windowsupdate.com/AAAA22.0%
api.vc.bilibili.com/A22.0%
Rest:7171.0%
Total:100100%

Variables

corrupt-packets3475Number of corrupt packets received
deferred-cache-inserts41105Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup12356Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts27857Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup4157Amount 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-notifications163NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit16799963Number of hits on the packet cache
packetcache-miss84026691Number of misses on the packet cache
packetcache-size833Number of entries in the packet cache
query-cache-hit283944331Number of hits on the query cache
query-cache-miss125331629Number of misses on the query cache
query-cache-size1584Number of entries in the query cache
rd-queries74089869Number of recursion desired questions
recursing-answers110552Number 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-packets2353Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers50902Number of answers sent out over TCP
tcp-answers-bytes3418999Total size of answers sent out over TCP
tcp-queries50883Number of TCP queries received
tcp4-answers50902Number of IPv4 answers sent out over TCP
tcp4-answers-bytes3418999Total size of answers sent out over TCPv4
tcp4-queries50883Number 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-packets16451Number of packets which weren't answered within timeout set
udp-answers100768807Number of answers sent out over UDP
udp-answers-bytes8993103045Total size of answers sent out over UDP
udp-do-queries13665294Number of UDP queries received with DO bit
udp-queries100785278Number of UDP queries received
udp4-answers100658255Number of IPv4 answers sent out over UDP
udp4-answers-bytes8993103045Total size of answers sent out over UDPv4
udp4-queries100785278Number 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-iowait19745267Time 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
latency838Average 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-usage123285504Actual unique use of memory in bytes (approx)
ring-logmessages-capacity500000Maximum number of entries in the logmessages ring
ring-logmessages-size7963Number of entries in the logmessages ring
ring-noerror-queries-capacity500000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size303845Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity1000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size0Number of entries in the nxdomain-queries ring
ring-queries-capacity1000Maximum number of entries in the queries ring
ring-queries-size1000Number of entries in the queries ring
ring-remotes-capacity10Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity100Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size100Number of entries in the remotes-corrupt ring
ring-remotes-size10Number of entries in the remotes ring
ring-remotes-unauth-capacity1000Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size96Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity100Maximum 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-msec19765486Number of msec spent in system time
udp-in-errors40180UDP 'in' errors
udp-noport-errors572UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime9097973Uptime of process in seconds
user-msec26292083Number of msec spent in user time