PowerDNS 4.3.1

Uptime: 3.21 months
Queries/second, 1, 5, 10 minute averages: 4, 3, 3. Max queries/second: 481
Cache hitrate, 1, 5, 10 minute averages: 25.6%, 29.1%, 30.5%
Backend query cache hitrate, 1, 5, 10 minute averages: 57.5%, 58.4%, 59.1%
Backend query load, 1, 5, 10 minute averages: 6, 5, 4. Max queries/second: 418
Total queries: 32546823. Question/answer latency: 0.042ms


Reset

Log Messages

[webserver] e566c3d7-a5e4-47dd-b7b8-a9d3cd58cd29 HTTP ISE for "/": STL Exception: stoi1100.0%
Total:1100%
Reset

Remote server IP addresses

140.115.70.85152815.3%
140.115.152.1528088.1%
140.115.70.1014354.3%
140.115.70.1184124.1%
140.115.152.1613193.2%
140.115.70.1033173.2%
140.115.152.762862.9%
140.115.70.1142692.7%
140.115.70.2472642.6%
140.115.70.1062602.6%
Rest:510251.0%
Total:10000100%
Reset

Remote hosts sending corrupt packets

140.115.70.106150.0%
140.115.70.139150.0%
Total:2100%
Reset

Remote hosts querying domains for which we are not auth

140.115.152.763838.0%
140.115.152.652020.0%
140.115.70.851717.0%
140.115.70.10399.0%
140.115.152.16133.0%
140.115.70.24733.0%
140.115.153.4022.0%
140.115.70.10622.0%
140.115.70.11422.0%
140.115.152.6811.0%
Rest:33.0%
Total:100100%
Reset

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

ns2.ee.ncu.edu.tw/AAAA35812.6%
ns.ee.ncu.edu.tw/AAAA35112.4%
ns2.ce.ncu.edu.tw/AAAA28310.0%
ns.ce.ncu.edu.tw/AAAA2799.8%
ee.ncu.edu.tw/DNSKEY752.6%
ce.ncu.edu.tw/DNSKEY722.5%
solid08.ee.ncu.edu.tw/AAAA602.1%
RElAY2.CE.nCu.eDU.tW/AAAA572.0%
wwW.Ee.NCu.EDu.TW/AAAA461.6%
relay2.ee.ncu.edu.tw/AAAA441.6%
Rest:121242.7%
Total:2837100%
Reset

Queries for non-existent records within existent domains

57.72.115.140.in-addr.arpa/PTR773.2%
107.158.115.140.in-addr.arpa/PTR572.4%
docker.service.internal.ee.ncu.edu.tw/A512.1%
_mTa-StS.rELayB.ce.ncu.EDU.tw/TXT381.6%
docker.service.internal.ee.ncu.edu.tw/AAAA321.3%
21.152.115.140.in-addr.arpa/PTR311.3%
bbs.ee.ncu.edu.tw/MX291.2%
226.70.115.140.in-addr.arpa/PTR261.1%
_Mta-Sts.relAy2.EE.ncU.edU.Tw/TXT241.0%
1.70.115.140.iN-adDR.aRPA/PTR231.0%
Rest:200083.8%
Total:2388100%
Reset

UDP Queries Received

dns.msftncsi.com/A1002.8%
ns.ee.ncu.edu.tw/AAAA952.7%
ns2.ee.ncu.edu.tw/AAAA932.6%
a.root-servers.net/A872.5%
ns2.ce.ncu.edu.tw/AAAA862.4%
ns.ce.ncu.edu.tw/AAAA722.0%
connections.brother.com/A702.0%
ee.ncu.edu.tw/DNSKEY471.3%
ssl.gstatic.com/A371.0%
p2p-hkg1.discovery.steamserver.net/A361.0%
Rest:280579.5%
Total:3528100%
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/A2874.4%
a.root-servers.net/A2463.8%
connections.brother.com/A2043.1%
ssl.gstatic.com/A1011.5%
p2p-hkg1.discovery.steamserver.net/A981.5%
p2p-tyo3.discovery.steamserver.net/A981.5%
time2.google.com/AAAA881.3%
time3.google.com.smb.com/AAAA881.3%
time2.google.com/A881.3%
time4.google.com.smb.com/A881.3%
Rest:513378.7%
Total:6519100%

Variables

corrupt-packets2465Number of corrupt packets received
deferred-cache-inserts26966Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup10721Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts35136Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup4502Amount 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-queries2DNS update packets received.
dnsupdate-refused2DNS update packets that are refused.
incoming-notifications102NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit11447067Number of hits on the packet cache
packetcache-miss21161623Number of misses on the packet cache
packetcache-size657Number of entries in the packet cache
query-cache-hit55627369Number of hits on the query cache
query-cache-miss39895010Number of misses on the query cache
query-cache-size514Number of entries in the query cache
rd-queries14217118Number of recursion desired questions
recursing-answers153216Number 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-packets875Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers71153Number of answers sent out over TCP
tcp-answers-bytes5688315Total size of answers sent out over TCP
tcp-queries71145Number of TCP queries received
tcp4-answers71153Number of IPv4 answers sent out over TCP
tcp4-answers-bytes5688315Total size of answers sent out over TCPv4
tcp4-queries71145Number 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-packets925Number of packets which weren't answered within timeout set
udp-answers32545892Number of answers sent out over UDP
udp-answers-bytes1872049033Total size of answers sent out over UDP
udp-do-queries7261343Number of UDP queries received with DO bit
udp-queries32546823Number of UDP queries received
udp4-answers32392676Number of IPv4 answers sent out over UDP
udp4-answers-bytes1872049033Total size of answers sent out over UDPv4
udp4-queries32546823Number 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-iowait130012391Time 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
latency42Average 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-usage118104064Actual unique use of memory in bytes (approx)
ring-logmessages-capacity100Maximum number of entries in the logmessages ring
ring-logmessages-size1Number of entries in the logmessages ring
ring-noerror-queries-capacity500000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size2837Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity500000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size2388Number of entries in the nxdomain-queries ring
ring-queries-capacity10000Maximum number of entries in the queries ring
ring-queries-size3528Number of entries in the queries ring
ring-remotes-capacity10000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity500000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size2Number of entries in the remotes-corrupt ring
ring-remotes-size10000Number of entries in the remotes ring
ring-remotes-unauth-capacity100Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size100Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity500000Maximum number of entries in the servfail-queries ring
ring-servfail-queries-size0Number of entries in the servfail-queries ring
ring-unauth-queries-capacity10000Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size6519Number of entries in the unauth-queries ring
signature-cache-size0Number of entries in the signature cache
sys-msec7236201Number of msec spent in system time
udp-in-errors42763UDP 'in' errors
udp-noport-errors1179UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime8438967Uptime of process in seconds
user-msec6248415Number of msec spent in user time