PowerDNS 4.8.3

Uptime: 1.02 months
Queries/second, 1, 5, 10 minute averages: 17, 23, 47. Max queries/second: 4848
Cache hitrate, 1, 5, 10 minute averages: 86.6%, 89.0%, 91.1%
Backend query cache hitrate, 1, 5, 10 minute averages: 57.3%, 54.4%, 57.6%
Backend query load, 1, 5, 10 minute averages: 0, 0, 0. Max queries/second: 600
Total queries: 63246829. Question/answer latency: 0.769ms


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Log Messages

Limit of simultaneous TCP connections reached - raise max-tcp-connections19572.5%
[webserver] c9011cbf-4edd-4d5a-836b-06a674593ebb HTTP Exception: Received request with invalid URL10.4%
[webserver] 7fbdeb62-9380-487e-998a-b17de0e520e9 Unable to parse request: HTTP version not supported10.4%
[webserver] c14d9b24-ef24-408b-a085-552f5708a6d9 Unable to parse request: Malformed header line10.4%
[webserver] b591cfad-6c82-46c9-8f4c-b7955169082c HTTP Exception: Received request with invalid URL10.4%
[webserver] b52483bd-2c04-40c7-b464-260fb43115d4 HTTP Exception: Received request with invalid URL10.4%
[webserver] b04ce4a8-5a5e-483c-adf7-5fecb8e24bc2 Unable to parse request: Malformed header line10.4%
[webserver] ac28c6cd-0ee2-40ae-8575-b30d3bc7297b Unable to parse request: Malformed header line10.4%
[webserver] a6542ed6-bd5b-4ccd-b953-92d9f6ff9659 HTTP Exception: Received request with invalid URL10.4%
[webserver] 9cceebba-5939-4ac9-a853-587fb19c7d3a HTTP Exception: Received request with invalid URL10.4%
Rest:6524.2%
Total:269100%
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Remote server IP addresses

2606:9400:f800:11:204:186:110:7612212.2%
204.186.110.7610310.3%
69.61.12.70333.3%
15.184.140.118313.1%
194.158.95.136262.6%
16.24.16.39242.4%
15.185.61.94212.1%
210.22.240.12151.5%
165.225.41.155101.0%
194.158.84.210101.0%
Rest:60560.5%
Total:1000100%
Reset

Remote hosts sending corrupt packets

45.148.10.81500100.0%
Total:500100%
Reset

Remote hosts querying zones for which we are not auth

204.186.110.761100.0%
Total:1100%
Reset

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

H104-218-60-252.Ip4.uNmeterED.HoSTing/AAAA479.4%
252.60.218.104.in-addr.arpa/A377.4%
H104-218-61-253.ip4.uNmeTEREd.hosTInG/AAAA367.2%
253.61.218.104.in-addr.arpa/A244.8%
highperformancecdn.com/DNSKEY204.0%
h104-218-63-73.ip4.unmetered.hosting/AAAA91.8%
h104-218-63-119.iP4.UNMeTEREd.hOStiNG/AAAA81.6%
h104-218-63-74.iP4.UnmEteRed.HostING/AAAA61.2%
252.60.218.104.in-addr.arpa/NS61.2%
h104-218-60-51.ip4.unmetered.hosting/AAAA51.0%
Rest:30260.4%
Total:500100%
Reset

Queries for nonexistent records within existent zones

h154-17-200-157.ip4.unmetered.hosting/A102.0%
h154-17-197-8.ip4.unmetered.hosting/A102.0%
h154-3-124-151.ip4.unmetered.hosting/A81.6%
h154-3-126-247.ip4.unmetered.hosting/A71.4%
h154-17-200-84.ip4.unmetered.hosting/AAAA61.2%
h154-17-197-231.ip4.unmetered.hosting/A51.0%
h154-3-127-139.ip4.unmetered.hosting/MX40.8%
h154-17-193-166.ip4.unmetered.hosting/A40.8%
h154-17-200-18.ip4.unmetered.hosting/MX40.8%
H154-3-124-151.IP4.uNmEtEReD.HOSTing/AAAA40.8%
Rest:43887.6%
Total:500100%
Reset

UDP Queries Received

h104-193-132-56.amsterdam-netherlands.ip4.unmetered.exchange/MX550.0%
95.57.218.104.in-addr.arpa/PTR220.0%
142.200.17.154.in-addr.arpa/PTR110.0%
2.197.17.154.in-addr.arpa/PTR110.0%
h38-15-169-230.ip4.unmetered.direct/AAAA110.0%
Total:10100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for zones that we are not authoritative for

h104-193-132-56.amsterdam-netherlands.ip4.unmetered.exchange/MX550.0%
95.57.218.104.in-addr.arpa/PTR220.0%
142.200.17.154.in-addr.arpa/PTR110.0%
2.197.17.154.in-addr.arpa/PTR110.0%
h38-15-169-230.ip4.unmetered.direct/AAAA110.0%
Total:10100%

Variables

backend-queries2523653Number of queries sent to the backend(s)
corrupt-packets12887Number of corrupt packets received
deferred-cache-inserts24Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup18Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts51Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup75Amount 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-notifications0NOTIFY packets received.
noerror-packets107900Number of times a NOERROR packet was sent out
nxdomain-packets685858Number of times an NXDOMAIN packet was sent out
overload-drops0Queries dropped because backends overloaded
packetcache-hit54088455Number of hits on the packet cache
packetcache-miss9250341Number of misses on the packet cache
packetcache-size22716Number of entries in the packet cache
query-cache-hit3615689Number of hits on the query cache
query-cache-miss2523632Number of misses on the query cache
query-cache-size25Number of entries in the query cache
rd-queries37279Number of recursion desired questions
recursing-answers0Number 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-packets1129Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers94666Number of answers sent out over TCP
tcp-answers-bytes10627228Total size of answers sent out over TCP
tcp-cookie-queries0Number of TCP queries received with the COOKIE option
tcp-queries94691Number of TCP queries received
tcp4-answers90227Number of IPv4 answers sent out over TCP
tcp4-answers-bytes10324391Total size of answers sent out over TCPv4
tcp4-queries90247Number of IPv4 TCP queries received
tcp6-answers4439Number of IPv6 answers sent out over TCP
tcp6-answers-bytes302837Total size of answers sent out over TCPv6
tcp6-queries4444Number of IPv6 TCP queries received
timedout-packets5321Number of packets which weren't answered within timeout set
udp-answers63240785Number of answers sent out over UDP
udp-answers-bytes3936428475Total size of answers sent out over UDP
udp-cookie-queries0Number of UDP queries received with the COOKIE EDNS option
udp-do-queries60990592Number of UDP queries received with DO bit
udp-queries63246829Number of UDP queries received
udp4-answers43852850Number of IPv4 answers sent out over UDP
udp4-answers-bytes2753602487Total size of answers sent out over UDPv4
udp4-queries43858889Number of IPv4 UDP queries received
udp6-answers19387935Number of IPv6 answers sent out over UDP
udp6-answers-bytes1182825988Total size of answers sent out over UDPv6
udp6-queries19387940Number of IPv6 UDP queries received
unauth-packets62135044Number of times a zone we are not auth for was queried
zone-cache-hit1045981Number of zone cache hits
zone-cache-miss53221696Number of zone cache misses
zone-cache-size10Number of entries in the zone cache
backend-latency3430Average number of microseconds needed for a backend lookup
cache-latency18Average number of microseconds needed for a packet cache lookup
cpu-iowait175529Time spent waiting for I/O to complete by the whole system, in units of USER_HZ
cpu-steal6149412Stolen 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-usage22Number of open filedescriptors
key-cache-size8Number of entries in the key cache
latency769Average number of microseconds needed to answer a question
meta-cache-size8Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage313417728Actual unique use of memory in bytes (approx)
receive-latency115Average number of microseconds needed to receive a query
ring-logmessages-capacity10000Maximum number of entries in the logmessages ring
ring-logmessages-size269Number of entries in the logmessages ring
ring-noerror-queries-capacity500Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size500Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity500Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size500Number 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-capacity1000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity500Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size500Number of entries in the remotes-corrupt ring
ring-remotes-size1000Number of entries in the remotes ring
ring-remotes-unauth-capacity1000Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size1Number 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
send-latency46Average number of microseconds needed to send the answer
signature-cache-size0Number of entries in the signature cache
sys-msec5323771Number of msec spent in system time
udp-in-csum-errors32UDP 'in checksum' errors
udp-in-errors116723UDP 'in' errors
udp-noport-errors195102UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors8649UDP 'sndbuf' errors
udp6-in-csum-errors335UDP 'in checksum' errors over IPv6
udp6-in-errors38813UDP 'in' errors over IPv6
udp6-noport-errors1416UDP 'noport' errors over IPv6
udp6-recvbuf-errors38478UDP 'recvbuf' errors over IPv6
udp6-sndbuf-errors10UDP 'sndbuf' errors over IPv6
uptime2672720Uptime of process in seconds
user-msec26843933Number of msec spent in user time
xfr-queue0Size of the queue of zones to be XFRd