PowerDNS 4.3.1

Uptime: 1.37 days
Queries/second, 1, 5, 10 minute averages: 2, 2, 2. Max queries/second: 286
Cache hitrate, 1, 5, 10 minute averages: 33.2%, 33.9%, 33.6%
Backend query cache hitrate, 1, 5, 10 minute averages: 55.5%, 57.3%, 56.9%
Backend query load, 1, 5, 10 minute averages: 3, 3, 3. Max queries/second: 384
Total queries: 415068. Question/answer latency: 0.043ms


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Log Messages

[webserver] 0b753ab5-a1bf-469d-899a-d2916b75529d HTTP ISE for "/": STL Exception: stoi120.0%
[webserver] 3ec2583a-21b4-4784-a6e8-757a4a3439a2 HTTP ISE for "/": STL Exception: stoi120.0%
[webserver] 4c4b48f2-d8ad-48c2-a0e1-e542f4f1f8cd HTTP ISE for "/": STL Exception: stoi120.0%
[webserver] 56bd7884-d901-4f75-9aa4-4b637b95d8c9 HTTP ISE for "/": STL Exception: stoi120.0%
[webserver] 6ac115bf-e82e-4b10-9198-10e1cc9c3649 HTTP ISE for "/": STL Exception: stoi120.0%
Total:5100%
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Remote server IP addresses

Total:0100%
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Remote hosts sending corrupt packets

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

140.115.152.161770.0%
140.115.70.109220.0%
140.115.70.247110.0%
Total:10100%
Reset

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

nS.Ce.ncU.edU.TW/AAAA330.0%
Ns2.Ee.NCu.eDu.TW/AAAA220.0%
wWw2.eE.ncU.EDu.tW/TYPE65220.0%
nS2.CE.NcU.EdU.Tw/AAAA110.0%
control3-1.ee.ncu.edu.tw/AAAA110.0%
FUzZy3.EE.ncU.EDu.tw/AAAA110.0%
Total:10100%
Reset

Queries for non-existent records within existent domains

milibrary-api.dns.ce.ncu.edu.tw/A770.0%
76.70.115.140.in-addr.arpa/PTR110.0%
milibrary-ai.ee.ncu.edu.tw/A110.0%
milibrary-api.dns.ee.ncu.edu.tw/A110.0%
Total:10100%
Reset

UDP Queries Received

milibrary-api.dns.ce.ncu.edu.tw/A220.0%
sync-dsp.ad-m.asia/A110.0%
76.70.115.140.in-addr.arpa/PTR110.0%
p4-dzcasjqqlg4vg-zcikrdi277bmfzbn-if-v6exp3-v4.metric.gstatic.com/TYPE65110.0%
b1sync.outbrain.com/A110.0%
connections.brother.com/A110.0%
a.c.appier.net/A110.0%
ns.ce.ncu.edu.tw/AAAA110.0%
apI.DnS.CE.nCu.edU.TW/AAAA110.0%
Total:10100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

b1sync.outbrain.com/A220.0%
connections.brother.com/A220.0%
sync-dsp.ad-m.asia/A110.0%
tr.blismedia.com/TYPE65110.0%
p4-dzcasjqqlg4vg-zcikrdi277bmfzbn-if-v6exp3-v4.metric.gstatic.com/TYPE65110.0%
gtrace.mediago.io/TYPE65110.0%
a.c.appier.net/A110.0%
a.root-servers.net/A110.0%
Total:10100%

Variables

corrupt-packets0Number of corrupt packets received
deferred-cache-inserts534Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup99Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts560Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup38Amount 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-hit125817Number of hits on the packet cache
packetcache-miss290527Number of misses on the packet cache
packetcache-size503Number of entries in the packet cache
query-cache-hit791622Number of hits on the query cache
query-cache-miss606690Number of misses on the query cache
query-cache-size309Number of entries in the query cache
rd-queries136993Number of recursion desired questions
recursing-answers3581Number 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-answers1463Number of answers sent out over TCP
tcp-answers-bytes130167Total size of answers sent out over TCP
tcp-queries1467Number of TCP queries received
tcp4-answers1463Number of IPv4 answers sent out over TCP
tcp4-answers-bytes130167Total size of answers sent out over TCPv4
tcp4-queries1467Number 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-answers414975Number of answers sent out over UDP
udp-answers-bytes26780596Total size of answers sent out over UDP
udp-do-queries151063Number of UDP queries received with DO bit
udp-queries415068Number of UDP queries received
udp4-answers411394Number of IPv4 answers sent out over UDP
udp4-answers-bytes26780596Total size of answers sent out over UDPv4
udp4-queries415068Number 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-iowait115398816Time 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
latency43Average 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-usage51990528Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10Maximum number of entries in the logmessages ring
ring-logmessages-size5Number 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-size10Number 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-size0Number 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-msec77531Number 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
uptime118470Uptime of process in seconds
user-msec63443Number of msec spent in user time