PowerDNS 4.3.1

Uptime: 3.2 months
Queries/second, 1, 5, 10 minute averages: 4, 4, 4. Max queries/second: 481
Cache hitrate, 1, 5, 10 minute averages: 20.7%, 23.5%, 26.2%
Backend query cache hitrate, 1, 5, 10 minute averages: 58.5%, 59.6%, 60.1%
Backend query load, 1, 5, 10 minute averages: 6, 5, 5. Max queries/second: 418
Total queries: 32436648. Question/answer latency: 0.061ms


Reset

Log Messages

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 SERVFAIL220.0%
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 SERVFAIL220.0%
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 SERVFAIL220.0%
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 SERVFAIL220.0%
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 Refused110.0%
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 SERVFAIL110.0%
Total:10100%
Reset

Remote server IP addresses

103.164.55.51220.0%
127.0.0.1110.0%
172.217.47.21110.0%
172.217.47.24110.0%
74.125.189.24110.0%
74.125.189.26110.0%
74.125.189.28110.0%
49.13.97.225110.0%
140.115.70.247110.0%
Total:10100%
Reset

Remote hosts sending corrupt packets

140.115.70.1393163.3%
140.115.152.651224.5%
140.115.70.106612.2%
Total:49100%
Reset

Remote hosts querying domains for which we are not auth

140.115.152.152440.0%
140.115.153.40220.0%
140.115.152.76110.0%
140.115.70.114110.0%
140.115.152.161110.0%
140.115.70.247110.0%
Total:10100%
Reset

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

ns2.ee.ncu.edu.tw/AAAA848.4%
ns.ee.ncu.edu.tw/AAAA787.8%
ns2.ce.ncu.edu.tw/AAAA606.0%
ns.ce.ncu.edu.tw/AAAA595.9%
ce.ncu.edu.tw/DNSKEY262.6%
dsp.ee.ncu.edu.tw/SPF222.2%
dsp.ee.ncu.edu.tw/TXT202.0%
ee.ncu.edu.tw/DNSKEY191.9%
solid08.ee.ncu.edu.tw/AAAA141.4%
relay2.ee.ncu.edu.tw/AAAA121.2%
Rest:60660.6%
Total:1000100%
Reset

Queries for non-existent records within existent domains

21.152.115.140.in-addr.arpa/PTR110.0%
53.152.115.140.in-addr.arpa/PTR110.0%
205.152.115.140.in-addr.arpa/PTR110.0%
241.153.115.140.in-addr.arpa/PTR110.0%
172.153.115.140.in-addr.arpa/PTR110.0%
197.153.115.140.in-addr.arpa/PTR110.0%
0.73.115.140.in-addr.arpa/NS110.0%
172.154.115.140.in-addr.arpa/A110.0%
53.154.115.140.in-addr.arpa/PTR110.0%
71.157.115.140.in-addr.arpa/PTR110.0%
Total:10100%
Reset

UDP Queries Received

dns.msftncsi.com/A232.3%
a.root-servers.net/A191.9%
connections.brother.com/A161.6%
ns.ee.ncu.edu.tw/AAAA141.4%
ns2.ee.ncu.edu.tw/AAAA131.3%
ns.ce.ncu.edu.tw/AAAA111.1%
p2p-hkg1.discovery.steamserver.net/A111.1%
p2p-tyo3.discovery.steamserver.net/A90.9%
ssl.gstatic.com/A90.9%
ns2.ce.ncu.edu.tw/AAAA70.7%
Rest:86886.8%
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/A244.8%
a.root-servers.net/A193.8%
connections.brother.com/A163.2%
p2p-hkg1.discovery.steamserver.net/A122.4%
p2p-tyo3.discovery.steamserver.net/A91.8%
ssl.gstatic.com/A91.8%
time2.google.com/AAAA61.2%
time3.google.com/A61.2%
time1.google.com.smb.com/A61.2%
time1.google.com.smb.com/AAAA61.2%
Rest:38777.4%
Total:500100%

Variables

corrupt-packets2454Number of corrupt packets received
deferred-cache-inserts26712Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup10681Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts34655Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup4480Amount 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-notifications102NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit11412628Number of hits on the packet cache
packetcache-miss21085833Number of misses on the packet cache
packetcache-size656Number of entries in the packet cache
query-cache-hit55422598Number of hits on the query cache
query-cache-miss39754815Number of misses on the query cache
query-cache-size677Number of entries in the query cache
rd-queries14167349Number of recursion desired questions
recursing-answers152948Number 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-packets864Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers71060Number of answers sent out over TCP
tcp-answers-bytes5681841Total size of answers sent out over TCP
tcp-queries71052Number of TCP queries received
tcp4-answers71060Number of IPv4 answers sent out over TCP
tcp4-answers-bytes5681841Total size of answers sent out over TCPv4
tcp4-queries71052Number 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-packets925Number of packets which weren't answered within timeout set
udp-answers32435717Number of answers sent out over UDP
udp-answers-bytes1865986775Total size of answers sent out over UDP
udp-do-queries7234642Number of UDP queries received with DO bit
udp-queries32436648Number of UDP queries received
udp4-answers32282769Number of IPv4 answers sent out over UDP
udp4-answers-bytes1865986775Total size of answers sent out over UDPv4
udp4-queries32436648Number 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-iowait128113692Time 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
latency61Average 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-usage58429440Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10Maximum number of entries in the logmessages ring
ring-logmessages-size10Number 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-capacity10Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size10Number 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-capacity1000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size49Number of entries in the remotes-corrupt ring
ring-remotes-size10Number of entries in the remotes ring
ring-remotes-unauth-capacity10Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size10Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity10Maximum 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-msec7217968Number of msec spent in system time
udp-in-errors42763UDP 'in' errors
udp-noport-errors1179UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime8408908Uptime of process in seconds
user-msec6233596Number of msec spent in user time