PowerDNS 4.3.1

Uptime: 9.35 hours
Queries/second, 1, 5, 10 minute averages: 1, 1, 1. Max queries/second: 29
Cache hitrate, 1, 5, 10 minute averages: 41.5%, 36.9%, 35.8%
Backend query cache hitrate, 1, 5, 10 minute averages: 49.9%, 51.9%, 52.3%
Backend query load, 1, 5, 10 minute averages: 2, 1, 2. Max queries/second: 8
Total queries: 67156. Question/answer latency: 0.162ms


Reset

Log Messages

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 SERVFAIL2033.9%
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 Refused1830.5%
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 SERVFAIL58.5%
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 SERVFAIL58.5%
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 SERVFAIL23.4%
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 SERVFAIL23.4%
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 SERVFAIL23.4%
About to create 3 backend threads for UDP11.7%
Creating backend connection for TCP11.7%
Done launching threads, ready to distribute questions11.7%
Rest:23.4%
Total:59100%
Reset

Remote server IP addresses

140.115.70.1136386.4%
140.115.152.1526076.1%
140.115.70.2476006.0%
140.115.153.405875.9%
140.115.152.1615025.0%
140.115.70.1094404.4%
140.115.72.1973513.5%
140.115.70.1061731.7%
140.115.72.2001611.6%
140.115.152.1961541.5%
Rest:578757.9%
Total:10000100%
Reset

Remote hosts sending corrupt packets

Total:0100%
Reset

Remote hosts querying domains for which we are not auth

140.115.152.152142414.2%
140.115.70.113140114.0%
140.115.70.247135513.6%
140.115.153.40130113.0%
140.115.152.161119511.9%
140.115.70.1099929.9%
140.115.72.1976846.8%
140.115.70.1063913.9%
140.115.72.2003663.7%
140.115.70.903203.2%
Rest:5715.7%
Total:10000100%
Reset

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

ns.ee.ncu.edu.tw/AAAA131713.2%
ns2.ee.ncu.edu.tw/AAAA130813.1%
eecontrol137.ee.ncu.edu.tw/AAAA8118.1%
NS2.CE.ncu.EdU.tw/AAAA7657.7%
ns.ce.ncu.edu.tw/AAAA7407.4%
ee.ncu.edu.tw/DNSKEY3863.9%
VaPlaB.cE.nCU.EDu.tw/TXT3293.3%
ce.ncu.edu.tw/DNSKEY2842.8%
solid08.ee.ncu.edu.tw/AAAA2152.1%
vaplab.ce.ncu.edu.tw/AAAA1931.9%
Rest:365236.5%
Total:10000100%
Reset

Queries for non-existent records within existent domains

eecontrol137.ee.ncu.edu.tw.ee.ncu.edu.tw/AAAA14829.6%
tw.ee.ncu.edu.tw/NS5611.2%
_MTa-STS.RELaY2.ee.Ncu.eDu.TW/TXT224.4%
_mtA-StS.reLAy2.CE.nCu.EDu.TW/TXT122.4%
226.70.115.140.in-addr.arpa/PTR102.0%
bbs.ee.ncu.edu.tw/MX91.8%
21.152.115.140.in-addr.arpa/PTR71.4%
180.70.115.140.in-addr.arpa/PTR71.4%
bbs.ee.ncu.edu.tw/A71.4%
_MTa-Sts.RElAyB.Ce.nCU.EdU.tW/TXT61.2%
Rest:21643.2%
Total:500100%
Reset

UDP Queries Received

dns.msftncsi.com/A6987.0%
a.root-servers.net/A6006.0%
ns.ee.ncu.edu.tw/AAAA5345.3%
ns2.ee.ncu.edu.tw/AAAA5315.3%
connections.brother.com/A4404.4%
eecontrol137.ee.ncu.edu.tw/AAAA4324.3%
eecontrol137.ee.ncu.edu.tw.ee.ncu.edu.tw/AAAA3843.8%
nS.ce.Ncu.eDU.tW/AAAA2112.1%
ns2.ce.ncu.edu.tw/AAAA1931.9%
ee.ncu.edu.tw/DNSKEY1391.4%
Rest:583858.4%
Total:10000100%
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/A9118.2%
a.root-servers.net/A7815.6%
connections.brother.com/A5611.2%
remotedesktop-pa.googleapis.com/A112.2%
ssl.gstatic.com/AAAA91.8%
signaler-pa.clients6.google.com/A61.2%
pubsub-us01.aweray.net/A61.2%
nexus.officeapps.live.com/A61.2%
ssl.gstatic.com/A61.2%
discord.com/A51.0%
Rest:22645.2%
Total:500100%

Variables

corrupt-packets0Number of corrupt packets received
deferred-cache-inserts77Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup21Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts53Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup5Amount 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-notifications0NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit26006Number of hits on the packet cache
packetcache-miss41288Number of misses on the packet cache
packetcache-size528Number of entries in the packet cache
query-cache-hit107206Number of hits on the query cache
query-cache-miss88307Number of misses on the query cache
query-cache-size289Number of entries in the query cache
rd-queries18319Number of recursion desired questions
recursing-answers156Number 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-packets0Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers158Number of answers sent out over TCP
tcp-answers-bytes12245Total size of answers sent out over TCP
tcp-queries158Number of TCP queries received
tcp4-answers158Number of IPv4 answers sent out over TCP
tcp4-answers-bytes12245Total size of answers sent out over TCPv4
tcp4-queries158Number 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-packets8Number of packets which weren't answered within timeout set
udp-answers67148Number of answers sent out over UDP
udp-answers-bytes4610197Total size of answers sent out over UDP
udp-do-queries26585Number of UDP queries received with DO bit
udp-queries67156Number of UDP queries received
udp4-answers66992Number of IPv4 answers sent out over UDP
udp4-answers-bytes4610197Total size of answers sent out over UDPv4
udp4-queries67156Number 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-iowait1639317Time 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-size24Number of entries in the key cache
latency162Average number of microseconds needed to answer a question
meta-cache-size75Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage51322880Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10000Maximum number of entries in the logmessages ring
ring-logmessages-size59Number of entries in the logmessages ring
ring-noerror-queries-capacity10000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size10000Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity500Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size500Number of entries in the nxdomain-queries ring
ring-queries-capacity10000Maximum number of entries in the queries ring
ring-queries-size10000Number of entries in the queries ring
ring-remotes-capacity10000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity10000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size0Number of entries in the remotes-corrupt ring
ring-remotes-size10000Number of entries in the remotes ring
ring-remotes-unauth-capacity10000Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size10000Number 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-msec17199Number of msec spent in system time
udp-in-errors0UDP 'in' errors
udp-noport-errors94UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime33648Uptime of process in seconds
user-msec12902Number of msec spent in user time