PowerDNS 4.3.1

Uptime: 3.5 days
Queries/second, 1, 5, 10 minute averages: 16, 16, 15. Max queries/second: 87
Cache hitrate, 1, 5, 10 minute averages: 27.3%, 27.5%, 25.9%
Backend query cache hitrate, 1, 5, 10 minute averages: 65.2%, 68.5%, 68.9%
Backend query load, 1, 5, 10 minute averages: 20, 18, 17. Max queries/second: 51
Total queries: 4144261. Question/answer latency: 0.122ms


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 SERVFAIL550.0%
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 SERVFAIL550.0%
Total:10100%
Reset

Remote server IP addresses

140.115.152.122549054.9%
140.115.72.210167616.8%
140.115.152.152120812.1%
140.115.70.853043.0%
140.115.70.1131181.2%
140.115.7.36540.5%
140.115.70.247540.5%
140.115.153.40500.5%
140.115.72.197470.5%
140.115.70.109440.4%
Rest:9559.6%
Total:10000100%
Reset

Remote hosts sending corrupt packets

140.115.152.19414563.0%
140.115.152.656026.1%
140.115.70.10673.0%
46.101.6.19962.6%
104.248.164.24462.6%
165.22.114.25462.6%
Total:230100%
Reset

Remote hosts querying domains for which we are not auth

140.115.72.210880.0%
140.115.153.40110.0%
140.115.70.106110.0%
Total:10100%
Reset

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

ee.ncu.edu.tw/DNSKEY220.0%
Ns2.CE.ncU.EdU.tw/AAAA110.0%
NS.CE.NCU.eDU.TW/AAAA110.0%
DDos.ce.NcU.EdU.tw/A110.0%
Ddos.ce.nCu.edU.TW/AAAA110.0%
mwnlgit.ce.ncu.edu.tw/TXT110.0%
ns2.EE.nCu.Edu.Tw/AAAA110.0%
cae14.ee.ncu.edu.tw/AAAA110.0%
nlp.ee.ncu.edu.tw/AAAA110.0%
Total:10100%
Reset

Queries for non-existent records within existent domains

google.com.ce.ncu.edu.tw/A33.0%
57.73.115.140.in-addr.arpa/PTR22.0%
252.152.115.140.in-addr.arpa/PTR22.0%
122.154.115.140.in-addr.arpa/PTR11.0%
229.153.115.140.in-addr.arpa/PTR11.0%
212.154.115.140.in-addr.arpa/PTR11.0%
12.154.115.140.in-addr.arpa/PTR11.0%
202.154.115.140.in-addr.arpa/PTR11.0%
251.154.115.140.in-addr.arpa/PTR11.0%
151.154.115.140.in-addr.arpa/PTR11.0%
Rest:8686.0%
Total:100100%
Reset

UDP Queries Received

collector.azure.eaglex.ic.gov/A1616.0%
collector.azure.eaglex.ic.gov/AAAA1616.0%
teredo.ipv6.microsoft.com/A66.0%
a.root-servers.net/A55.0%
ee.ncu.edu.tw/DNSKEY33.0%
oneclient.sfx.ms/A22.0%
oneclient.sfx.ms/AAAA22.0%
titanium17-7-tc.url.trendmicro.com/A22.0%
dns.msftncsi.com/A22.0%
apps.overwolf.com/A22.0%
Rest:4444.0%
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

collector.azure.eaglex.ic.gov/AAAA1818.0%
collector.azure.eaglex.ic.gov/A1717.0%
a.root-servers.net/A66.0%
teredo.ipv6.microsoft.com/A66.0%
apps.overwolf.com/A22.0%
oneclient.sfx.ms/AAAA22.0%
oneclient.sfx.ms/A22.0%
teams.events.data.microsoft.com/TYPE6522.0%
teams.events.data.microsoft.com/A22.0%
titanium17-7-tc.url.trendmicro.com/A22.0%
Rest:4141.0%
Total:100100%

Variables

corrupt-packets230Number of corrupt packets received
deferred-cache-inserts965Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup611Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts1035Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup235Amount 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-notifications1NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit958013Number of hits on the packet cache
packetcache-miss3187195Number of misses on the packet cache
packetcache-size946Number of entries in the packet cache
query-cache-hit10872633Number of hits on the query cache
query-cache-miss4842469Number of misses on the query cache
query-cache-size1244Number of entries in the query cache
rd-queries2962319Number of recursion desired questions
recursing-answers6848Number 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-packets152Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers1303Number of answers sent out over TCP
tcp-answers-bytes69408Total size of answers sent out over TCP
tcp-queries1340Number of TCP queries received
tcp4-answers1303Number of IPv4 answers sent out over TCP
tcp4-answers-bytes69408Total size of answers sent out over TCPv4
tcp4-queries1340Number 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-packets11Number of packets which weren't answered within timeout set
udp-answers4144250Number of answers sent out over UDP
udp-answers-bytes351854429Total size of answers sent out over UDP
udp-do-queries246800Number of UDP queries received with DO bit
udp-queries4144261Number of UDP queries received
udp4-answers4137402Number of IPv4 answers sent out over UDP
udp4-answers-bytes351854429Total size of answers sent out over UDPv4
udp4-queries4144261Number 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-iowait430938Time 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
latency122Average number of microseconds needed to answer a question
meta-cache-size104Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage51716096Actual 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-capacity10Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size10Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity100Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size100Number 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-capacity10000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity10000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size230Number of entries in the remotes-corrupt ring
ring-remotes-size10000Number 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-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-msec777090Number of msec spent in system time
udp-in-errors0UDP 'in' errors
udp-noport-errors95UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime302369Uptime of process in seconds
user-msec635376Number of msec spent in user time