PowerDNS 4.3.1

Uptime: 1.5 months
Queries/second, 1, 5, 10 minute averages: 4, 4, 4. Max queries/second: 481
Cache hitrate, 1, 5, 10 minute averages: 42.8%, 37.3%, 37.3%
Backend query cache hitrate, 1, 5, 10 minute averages: 56.9%, 57.7%, 58.1%
Backend query load, 1, 5, 10 minute averages: 5, 6, 6. Max queries/second: 418
Total queries: 13404194. Question/answer latency: 0.12ms


Reset

Log Messages

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 SERVFAIL615.8%
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 SERVFAIL615.8%
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 SERVFAIL615.8%
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 SERVFAIL513.2%
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 SERVFAIL25.3%
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 SERVFAIL25.3%
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 SERVFAIL25.3%
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 SERVFAIL25.3%
[webserver] 08799d11-fbe1-4582-9b12-7619ca1926e7 HTTP ISE for "/": STL Exception: stoi12.6%
[webserver] 3054baa6-b034-4abb-a07f-e1c5c9e76ddf HTTP ISE for "/": STL Exception: stoi12.6%
Rest:513.2%
Total:38100%
Reset

Remote server IP addresses

140.115.70.1133535.0%
140.115.152.1521818.0%
140.115.70.851616.0%
140.115.70.1061111.0%
173.194.171.1822.0%
140.115.152.19222.0%
172.69.187.3322.0%
140.112.254.7111.0%
172.253.192.8211.0%
140.115.152.6511.0%
Rest:1111.0%
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

Total:0100%
Reset

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

ns.ee.ncu.edu.tw/AAAA10310.3%
ns2.ce.ncu.edu.tw/AAAA929.2%
ns.ce.ncu.edu.tw/AAAA929.2%
ns2.ee.ncu.edu.tw/AAAA909.0%
ee.ncu.edu.tw/DNSKEY404.0%
ce.ncu.edu.tw/DNSKEY363.6%
reLAy2.ee.NCu.EDU.TW/AAAA191.9%
solid08.ee.ncu.edu.tw/AAAA181.8%
reLaY2.Ce.ncU.EdU.tW/AAAA131.3%
ee.ncu.edu.tw/AAAA131.3%
Rest:48448.4%
Total:1000100%
Reset

Queries for non-existent records within existent domains

1.70.115.140.in-addr.arpa/PTR5658.9%
118.152.115.140.in-addr.arpa/PTR66.3%
252.71.115.140.in-addr.arpa/PTR33.2%
mbox.ee.ncu.edu.tw/MX33.2%
relAY-5Ba7Ea60.NEt.aNYDeSK.COM.CE.NCu.EDu.tw/AAAA33.2%
www.highfive.ce.ncu.edu.tw/A33.2%
50.73.115.140.in-addr.arpa/PTR22.1%
118.152.115.140.in-addr.arpa/A22.1%
virgil246.ce.ncu.edu.tw/A22.1%
118.71.115.140.in-addr.arpa/PTR11.1%
Rest:1414.7%
Total:95100%
Reset

UDP Queries Received

1.70.115.140.in-addr.arpa/PTR3333.0%
mask.apple-dns.net/TYPE6544.0%
mask.apple-dns.net/A44.0%
73.146.64.172.in-addr.arpa/PTR33.0%
CONtrOL3-2.EE.nCu.edu.TW/AAAA33.0%
www.highfive.ce.ncu.edu.tw/A33.0%
ssl.gstatic.com/A33.0%
configuration.ls.apple.com/TYPE6522.0%
110521133.ee.Ncu.edu.Tw/AAAA22.0%
configuration.ls.v.aaplimg.com/TYPE6522.0%
Rest:4141.0%
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

dns.msftncsi.com/A224.4%
a.root-servers.net/A122.4%
dns.msftncsi.com/AAAA102.0%
connections.brother.com/A81.6%
ipv6.msftconnecttest.com/AAAA81.6%
ipv6.msftconnecttest.com/A81.6%
p2p-hkg1.discovery.steamserver.net/A81.6%
p2p-tyo3.discovery.steamserver.net/A71.4%
www.msftconnecttest.com/AAAA61.2%
www.msftconnecttest.com/A61.2%
Rest:40581.0%
Total:500100%

Variables

corrupt-packets903Number of corrupt packets received
deferred-cache-inserts9914Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup4751Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts13772Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup2241Amount 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-hit4423582Number of hits on the packet cache
packetcache-miss9013764Number of misses on the packet cache
packetcache-size454Number of entries in the packet cache
query-cache-hit24595415Number of hits on the query cache
query-cache-miss17542371Number of misses on the query cache
query-cache-size472Number of entries in the query cache
rd-queries5812018Number of recursion desired questions
recursing-answers60928Number 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-answers37382Number of answers sent out over TCP
tcp-answers-bytes3004371Total size of answers sent out over TCP
tcp-queries37401Number of TCP queries received
tcp4-answers37382Number of IPv4 answers sent out over TCP
tcp4-answers-bytes3004371Total size of answers sent out over TCPv4
tcp4-queries37401Number 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-answers13403766Number of answers sent out over UDP
udp-answers-bytes789803847Total size of answers sent out over UDP
udp-do-queries3214510Number of UDP queries received with DO bit
udp-queries13404194Number of UDP queries received
udp4-answers13342838Number of IPv4 answers sent out over UDP
udp4-answers-bytes789803847Total size of answers sent out over UDPv4
udp4-queries13404194Number 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-iowait45942150Time 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
latency120Average 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-usage62857216Actual unique use of memory in bytes (approx)
ring-logmessages-capacity500Maximum number of entries in the logmessages ring
ring-logmessages-size38Number of entries in the logmessages ring
ring-noerror-queries-capacity1000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size1000Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity1000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size95Number 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-size0Number 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-msec3151672Number 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
uptime3950809Uptime of process in seconds
user-msec2729768Number of msec spent in user time