PowerDNS 4.3.1

Uptime: 2.33 months
Queries/second, 1, 5, 10 minute averages: 12, 10, 10. Max queries/second: 91
Cache hitrate, 1, 5, 10 minute averages: 8.5%, 10.2%, 11.2%
Backend query cache hitrate, 1, 5, 10 minute averages: 71.6%, 69.4%, 69.1%
Backend query load, 1, 5, 10 minute averages: 15, 14, 13. Max queries/second: 288
Total queries: 61068422. Question/answer latency: 0.245ms


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Log Messages

[webserver] 981cdb0e-a896-403a-bd7b-e365f17a7ab4 HTTP ISE for "/": STL Exception: stoi150.0%
[webserver] 9a9887bd-dd72-4f1a-83cb-257dab302ad7 HTTP ISE for "/": STL Exception: stoi150.0%
Total:2100%
Reset

Remote server IP addresses

140.115.152.12240480.8%
10.213.40.254122.4%
140.115.70.8581.6%
140.115.70.10140.8%
140.115.152.15240.8%
140.115.70.11430.6%
140.115.71.13230.6%
140.115.70.24730.6%
104.152.168.21430.6%
140.115.152.16130.6%
Rest:5310.6%
Total:500100%
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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

Total:0100%
Reset

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

NS.ce.NcU.eDu.Tw/AAAA2121.0%
ns2.ce.ncu.edu.tw/AAAA1919.0%
ns.ee.ncu.edu.tw/AAAA1212.0%
ns2.ee.ncu.edu.tw/AAAA1010.0%
20.152.115.140.in-addr.arpa/A44.0%
mwnl.ce.ncu.edu.tw/AAAA33.0%
ce.ncu.edu.tw/DNSKEY33.0%
mWnlGit.CE.NCU.eDu.Tw/AAAA33.0%
relay2.ee.ncu.edu.tw/TXT33.0%
solid08.ee.ncu.edu.tw/AAAA22.0%
Rest:2020.0%
Total:100100%
Reset

Queries for non-existent records within existent domains

252.152.115.140.in-addr.arpa/PTR58131.2%
134.73.115.140.in-addr.arpa/PTR57241.1%
62.73.115.140.in-addr.arpa/PTR38210.8%
64.70.115.140.in-addr.arpa/PTR38190.8%
232.154.115.140.in-addr.arpa/PTR38180.8%
49.70.115.140.in-addr.arpa/PTR38160.8%
1.70.115.140.in-addr.arpa/PTR21570.4%
101.154.115.140.in-addr.arpa/PTR20220.4%
90.72.115.140.in-addr.arpa/PTR20110.4%
20.153.115.140.in-addr.arpa/PTR20090.4%
Rest:46499093.0%
Total:500000100%
Reset

UDP Queries Received

a.root-servers.net/A1771.8%
ns.ce.ncu.edu.tw/AAAA1031.0%
dns.msftncsi.com/A1031.0%
ns2.ce.ncu.edu.tw/AAAA981.0%
134.73.115.140.in-addr.arpa/PTR830.8%
252.152.115.140.in-addr.arpa/PTR830.8%
connections.brother.com/A700.7%
62.73.115.140.in-addr.arpa/PTR560.6%
64.70.115.140.in-addr.arpa/PTR550.6%
232.154.115.140.in-addr.arpa/PTR550.6%
Rest:911791.2%
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

a.root-servers.net/A66.0%
dns.msftncsi.com/A55.0%
connections.brother.com/A44.0%
t8.dropbox.com/A33.0%
ocsp.digicert.com/A22.0%
docs.google.com/A22.0%
play.google.com/AAAA22.0%
www.bing.com/A22.0%
gmial.com/MX22.0%
alojo.com/MX22.0%
Rest:7070.0%
Total:100100%

Variables

corrupt-packets1590Number of corrupt packets received
deferred-cache-inserts15319Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup8412Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts14036Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup3102Amount 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-queries5DNS update packets received.
dnsupdate-refused5DNS update packets that are refused.
incoming-notifications23NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit10037136Number of hits on the packet cache
packetcache-miss51058577Number of misses on the packet cache
packetcache-size917Number of entries in the packet cache
query-cache-hit170311788Number of hits on the query cache
query-cache-miss78495900Number of misses on the query cache
query-cache-size973Number of entries in the query cache
rd-queries46235441Number of recursion desired questions
recursing-answers113101Number of recursive answers sent out
recursing-questions0Number of questions sent to recursor
recursion-unanswered4Number of packets unanswered by configured recursor
security-status0Security status based on regular polling
servfail-packets432Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers32819Number of answers sent out over TCP
tcp-answers-bytes1973679Total size of answers sent out over TCP
tcp-queries33068Number of TCP queries received
tcp4-answers32819Number of IPv4 answers sent out over TCP
tcp4-answers-bytes1973679Total size of answers sent out over TCPv4
tcp4-queries33068Number 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-packets12128Number of packets which weren't answered within timeout set
udp-answers61056289Number of answers sent out over UDP
udp-answers-bytes5256632350Total size of answers sent out over UDP
udp-do-queries5180803Number of UDP queries received with DO bit
udp-queries61068427Number of UDP queries received
udp4-answers60943188Number of IPv4 answers sent out over UDP
udp4-answers-bytes5256632350Total size of answers sent out over UDPv4
udp4-queries61068427Number 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-iowait9200634Time 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
latency2461Average number of microseconds needed to answer a question
meta-cache-size109Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage143663104Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10000Maximum number of entries in the logmessages ring
ring-logmessages-size2Number of entries in the logmessages ring
ring-noerror-queries-capacity100Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size100Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity500000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size500000Number 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-capacity500Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity1000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size0Number of entries in the remotes-corrupt ring
ring-remotes-size500Number of entries in the remotes ring
ring-remotes-unauth-capacity100Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size0Number 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-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-msec12628163Number of msec spent in system time
udp-in-errors32UDP 'in' errors
udp-noport-errors48UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime6116071Uptime of process in seconds
user-msec13716499Number of msec spent in user time