PowerDNS 4.3.1

Uptime: 4.35 days
Queries/second, 1, 5, 10 minute averages: 2, 2, 2. Max queries/second: 40
Cache hitrate, 1, 5, 10 minute averages: 36.7%, 37.8%, 35.5%
Backend query cache hitrate, 1, 5, 10 minute averages: 57.3%, 57.4%, 56.3%
Backend query load, 1, 5, 10 minute averages: 3, 3, 3. Max queries/second: 41
Total queries: 794263. Question/answer latency: 0.087ms


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 SERVFAIL440.0%
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 SERVFAIL330.0%
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 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%
Total:10100%
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Remote server IP addresses

127.0.0.1110.0%
220.197.32.2110.0%
74.125.72.26110.0%
129.146.12.43110.0%
140.115.152.65110.0%
140.115.70.90110.0%
140.115.70.109110.0%
8.159.16.168110.0%
92.46.54.179110.0%
146.190.20.239110.0%
Total:10100%
Reset

Remote hosts sending corrupt packets

Total:0100%
Reset

Remote hosts querying domains for which we are not auth

140.115.70.113220.0%
140.115.70.247220.0%
140.115.153.40110.0%
140.115.152.65110.0%
140.115.70.90110.0%
140.115.70.109110.0%
140.115.152.161110.0%
140.115.152.196110.0%
Total:10100%
Reset

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

R532c.ee.ncU.edU.tw/AAAA220.0%
vaplab.ce.ncu.edu.tw/AAAA110.0%
nS.ce.NCu.edU.TW/AAAA110.0%
cae21.ee.ncu.edu.tw/AAAA110.0%
ns2.ee.ncu.edu.tw/AAAA110.0%
solid133.ee.ncu.edu.tw/AAAA110.0%
eecontrol137.ee.ncu.edu.tw/AAAA110.0%
vaplab.ee.ncu.edu.tw/AAAA110.0%
ns.ee.ncu.edu.tw/AAAA110.0%
Total:10100%
Reset

Queries for non-existent records within existent domains

QlfiTpEapRvk.eE.NCu.EDU.tw/A440.0%
46.70.115.140.in-addr.arpa/PTR110.0%
0.73.115.140.in-addr.arpa/NS110.0%
lb._dns-sd._udp.0.73.115.140.in-addr.arpa/PTR110.0%
148.157.115.140.in-addr.arpa/PTR110.0%
201.173.216.196-ClIENtES-iZZI.Mx.Ce.ncu.eDU.Tw/A110.0%
tw.ee.ncu.edu.tw/NS110.0%
Total:10100%
Reset

UDP Queries Received

ns.ee.ncu.edu.tw/AAAA88.0%
QLfItpEaPrVk.ee.NCu.eDU.tw/A66.0%
dns.msftncsi.com/A55.0%
connections.brother.com/A44.0%
ns2.ee.ncu.edu.tw/AAAA44.0%
cdcpc.ce.ncu.edu.tw/A33.0%
VapLAb.CE.nCu.Edu.Tw/A33.0%
ns2.ee.ncu.edu.tw/A33.0%
a.root-servers.net/A33.0%
remotedesktop-pa.googleapis.com/A22.0%
Rest:5959.0%
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/A88.0%
a.root-servers.net/A77.0%
connections.brother.com/A66.0%
dl-debug.dropbox.com/A33.0%
remotedesktop-pa.googleapis.com/A33.0%
dynamic.x.com.cdn.cloudflare.net/TYPE6522.0%
api-stream.twitter.com.cdn.cloudflare.net/TYPE6522.0%
probe.twitter.com.cdn.cloudflare.net/TYPE6522.0%
bolt.dropbox.com/A22.0%
probe.twitter.com/A22.0%
Rest:6363.0%
Total:100100%

Variables

corrupt-packets75Number of corrupt packets received
deferred-cache-inserts1156Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup210Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts733Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup56Amount 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-hit265756Number of hits on the packet cache
packetcache-miss542575Number of misses on the packet cache
packetcache-size677Number of entries in the packet cache
query-cache-hit1400434Number of hits on the query cache
query-cache-miss1187076Number of misses on the query cache
query-cache-size362Number of entries in the query cache
rd-queries242881Number of recursion desired questions
recursing-answers4661Number 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-packets39Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers14338Number of answers sent out over TCP
tcp-answers-bytes588650Total size of answers sent out over TCP
tcp-queries14346Number of TCP queries received
tcp4-answers14338Number of IPv4 answers sent out over TCP
tcp4-answers-bytes588650Total size of answers sent out over TCPv4
tcp4-queries14346Number 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-packets12Number of packets which weren't answered within timeout set
udp-answers794251Number of answers sent out over UDP
udp-answers-bytes53899892Total size of answers sent out over UDP
udp-do-queries341007Number of UDP queries received with DO bit
udp-queries794263Number of UDP queries received
udp4-answers789590Number of IPv4 answers sent out over UDP
udp4-answers-bytes53899892Total size of answers sent out over UDPv4
udp4-queries794263Number 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-iowait10086335Time 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
latency87Average number of microseconds needed to answer a question
meta-cache-size80Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage49446912Actual 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-capacity10Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size10Number 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-capacity10Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity10Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size0Number 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-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-msec221095Number of msec spent in system time
udp-in-errors0UDP 'in' errors
udp-noport-errors238UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime375658Uptime of process in seconds
user-msec164559Number of msec spent in user time