PowerDNS 4.3.1

Uptime: 1.08 days
Queries/second, 1, 5, 10 minute averages: 3, 3, 4. Max queries/second: 286
Cache hitrate, 1, 5, 10 minute averages: 38.9%, 37.4%, 36.1%
Backend query cache hitrate, 1, 5, 10 minute averages: 59.7%, 58.4%, 57.5%
Backend query load, 1, 5, 10 minute averages: 3, 4, 4. Max queries/second: 384
Total queries: 336553. Question/answer latency: 0.037ms


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 SERVFAIL770.0%
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 SERVFAIL330.0%
Total:10100%
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Remote server IP addresses

140.115.152.152770.0%
127.0.0.1110.0%
172.253.192.90110.0%
140.115.152.161110.0%
Total:10100%
Reset

Remote hosts sending corrupt packets

Total:0100%
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Remote hosts querying domains for which we are not auth

140.115.152.152990.0%
140.115.152.161110.0%
Total:10100%
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Queries for existing records, but for type we don't have

oj.ipc.ce.ncu.edu.tw/MX110.0%
ns.ce.ncu.edu.tw/AAAA110.0%
msic11.ee.ncu.edu.tw/AAAA110.0%
NS2.Ee.NCu.eDU.tw/AAAA110.0%
RelAY2.eE.NCu.eDU.tW/AAAA110.0%
eesystem25.ee.ncu.edu.tw/AAAA110.0%
THzLAb5.eE.NcU.edu.Tw/AAAA110.0%
msic7.ee.ncu.edu.tw/NS110.0%
r532c.eE.ncu.EDu.tW/AAAA110.0%
r323s.eE.Ncu.eDU.TW/AAAA110.0%
Total:10100%
Reset

Queries for non-existent records within existent domains

205.158.115.140.in-addr.arpa/PTR220.0%
_mtA-stS.RElAY2.Ee.NCu.Edu.Tw/TXT220.0%
1.70.115.140.in-addr.arpa/PTR110.0%
253.153.115.140.in-addr.arpa/PTR110.0%
253.73.115.140.in-addr.arpa/PTR110.0%
235.73.115.140.in-addr.arpa/PTR110.0%
110.154.115.140.in-addr.arpa/PTR110.0%
_mta-STS.ReLAyb.Ce.NcU.eDu.tw/TXT110.0%
Total:10100%
Reset

UDP Queries Received

Total:0100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

cdn.growthbook.io/TYPE65440.0%
player.vimeo.com/TYPE65220.0%
cdn.growthbook.io/A220.0%
dns.msftncsi.com/A110.0%
player.vimeo.com/A110.0%
Total:10100%

Variables

corrupt-packets0Number of corrupt packets received
deferred-cache-inserts451Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup83Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts465Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup34Amount 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-hit99433Number of hits on the packet cache
packetcache-miss238355Number of misses on the packet cache
packetcache-size355Number of entries in the packet cache
query-cache-hit653041Number of hits on the query cache
query-cache-miss501896Number of misses on the query cache
query-cache-size388Number of entries in the query cache
rd-queries108199Number of recursion desired questions
recursing-answers2626Number 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-answers1405Number of answers sent out over TCP
tcp-answers-bytes125617Total size of answers sent out over TCP
tcp-queries1407Number of TCP queries received
tcp4-answers1405Number of IPv4 answers sent out over TCP
tcp4-answers-bytes125617Total size of answers sent out over TCPv4
tcp4-queries1407Number 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-packets93Number of packets which weren't answered within timeout set
udp-answers336460Number of answers sent out over UDP
udp-answers-bytes22118399Total size of answers sent out over UDP
udp-do-queries126463Number of UDP queries received with DO bit
udp-queries336553Number of UDP queries received
udp4-answers333834Number of IPv4 answers sent out over UDP
udp4-answers-bytes22118399Total size of answers sent out over UDPv4
udp4-queries336553Number 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-iowait113940225Time 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
latency37Average 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-usage53374976Actual 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-capacity10Maximum number of entries in the queries ring
ring-queries-size0Number 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-capacity10Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size10Number of entries in the unauth-queries ring
signature-cache-size0Number of entries in the signature cache
sys-msec63476Number of msec spent in system time
udp-in-errors11316UDP 'in' errors
udp-noport-errors37966UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime93324Uptime of process in seconds
user-msec52524Number of msec spent in user time