PowerDNS 4.3.1

Uptime: 3.46 months
Queries/second, 1, 5, 10 minute averages: 8, 9, 9. Max queries/second: 81
Cache hitrate, 1, 5, 10 minute averages: 13.6%, 13.0%, 13.4%
Backend query cache hitrate, 1, 5, 10 minute averages: 68.7%, 68.9%, 69.1%
Backend query load, 1, 5, 10 minute averages: 11, 13, 13. Max queries/second: 95
Total queries: 100834040. Question/answer latency: 0.088ms


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 SERVFAIL134216.8%
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 SERVFAIL121015.1%
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 SERVFAIL87510.9%
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 SERVFAIL83510.4%
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 SERVFAIL7239.0%
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 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 SERVFAIL5336.7%
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 Refused4545.7%
Limit of simultaneous TCP connections reached - raise max-tcp-connections3334.2%
Rest:230.3%
Total:7998100%
Reset

Remote server IP addresses

140.115.152.152440.0%
140.115.70.139220.0%
127.0.0.1110.0%
192.178.37.18110.0%
172.217.42.28110.0%
140.115.70.143110.0%
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

Total:0100%
Reset

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

ns.ee.ncu.edu.tw/AAAA7147023.4%
ns2.ee.ncu.edu.tw/AAAA7077323.2%
ns.ce.ncu.edu.tw/AAAA277939.1%
ns2.ce.ncu.edu.tw/AAAA268088.8%
solid08.ee.ncu.edu.tw/AAAA52911.7%
ee.ncu.edu.tw/DNSKEY52381.7%
ce.ncu.edu.tw/DNSKEY46501.5%
relay2.ee.ncu.edu.tw/AAAA42171.4%
Www.eE.ncu.Edu.Tw/AAAA28220.9%
vaplab.ce.ncu.edu.tw/AAAA26890.9%
Rest:8330427.3%
Total:305055100%
Reset

Queries for non-existent records within existent domains

134.73.115.140.in-addr.arpa/PTR141.4%
252.152.115.140.in-addr.arpa/PTR131.3%
62.73.115.140.in-addr.arpa/PTR101.0%
128.152.115.140.in-addr.arpa/PTR101.0%
63.152.115.140.in-addr.arpa/PTR101.0%
111.73.115.140.in-addr.arpa/PTR90.9%
16.154.115.140.in-addr.arpa/PTR90.9%
64.70.115.140.in-addr.arpa/PTR90.9%
250.154.115.140.in-addr.arpa/PTR50.5%
28.70.115.140.in-addr.arpa/PTR50.5%
Rest:90690.6%
Total:1000100%
Reset

UDP Queries Received

mobilenetworkscoring-pa.googleapis.com/A161.6%
mobilenetworkscoring-pa.googleapis.com/AAAA161.6%
dns.msftncsi.com/A111.1%
a.root-servers.net/A90.9%
134.73.115.140.in-addr.arpa/PTR90.9%
252.152.115.140.in-addr.arpa/PTR90.9%
connections.brother.com/A80.8%
128.152.115.140.in-addr.arpa/PTR60.6%
api.vc.bilibili.com/AAAA60.6%
16.154.115.140.in-addr.arpa/PTR60.6%
Rest:90490.4%
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

dns.msftncsi.com/A44.0%
connections.brother.com/A44.0%
mobilenetworkscoring-pa.googleapis.com/A44.0%
mobilenetworkscoring-pa.googleapis.com/AAAA44.0%
abmail.mail.foodpanda.com.tw/MX33.0%
api.vc.bilibili.com/AAAA33.0%
a.root-servers.net/A33.0%
settings-win.data.microsoft.com/AAAA22.0%
settings-win.data.microsoft.com/A22.0%
stream.quillbot.com/A22.0%
Rest:6969.0%
Total:100100%

Variables

corrupt-packets3475Number of corrupt packets received
deferred-cache-inserts41139Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup12360Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts27872Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup4159Amount 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-hit16806913Number of hits on the packet cache
packetcache-miss84068521Number of misses on the packet cache
packetcache-size793Number of entries in the packet cache
query-cache-hit284088014Number of hits on the query cache
query-cache-miss125394016Number of misses on the query cache
query-cache-size982Number of entries in the query cache
rd-queries74128545Number of recursion desired questions
recursing-answers110601Number 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-answers50924Number of answers sent out over TCP
tcp-answers-bytes3420806Total size of answers sent out over TCP
tcp-queries50905Number of TCP queries received
tcp4-answers50924Number of IPv4 answers sent out over TCP
tcp4-answers-bytes3420806Total size of answers sent out over TCPv4
tcp4-queries50905Number 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-answers100817569Number of answers sent out over UDP
udp-answers-bytes8997436616Total size of answers sent out over UDP
udp-do-queries13668340Number of UDP queries received with DO bit
udp-queries100834040Number of UDP queries received
udp4-answers100706968Number of IPv4 answers sent out over UDP
udp4-answers-bytes8997436616Total size of answers sent out over UDPv4
udp4-queries100834040Number 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-iowait19755738Time 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
latency88Average 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-usage123265024Actual unique use of memory in bytes (approx)
ring-logmessages-capacity500000Maximum number of entries in the logmessages ring
ring-logmessages-size7998Number of entries in the logmessages ring
ring-noerror-queries-capacity500000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size305055Number 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-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-size0Number 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-msec19775532Number 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
uptime9102928Uptime of process in seconds
user-msec26303715Number of msec spent in user time