PowerDNS 4.8.3

Uptime: 3.7 days
Queries/second, 1, 5, 10 minute averages: 10, 9, 10. Max queries/second: 983
Cache hitrate, 1, 5, 10 minute averages: 81.1%, 83.4%, 83.9%
Backend query cache hitrate, 1, 5, 10 minute averages: 61.3%, 58.9%, 59.2%
Backend query load, 1, 5, 10 minute averages: 0, 0, 0. Max queries/second: 12
Total queries: 5446999. Question/answer latency: 0.866ms


Reset

Log Messages

Limit of simultaneous TCP connections reached - raise max-tcp-connections842.1%
[webserver] 1e4eb3e0-8726-4b02-86e2-c9b9f08fe67c Unable to parse request: HTTP version not supported15.3%
[webserver] 23fcbe5a-6c4e-4e55-87ed-c9e78d5c95e5 Unable to parse request: HTTP version not supported15.3%
[webserver] 30aef018-300c-4a28-a388-903022973e8f HTTP STL Exception: Reading from a socket: Connection reset by peer15.3%
[webserver] 48f27364-b763-4d95-a06c-bac9512d95e3 HTTP STL Exception: Reading from a socket: Connection reset by peer15.3%
[webserver] 495e1d40-d2e3-4b57-9bfd-ee30285dd888 Unable to parse request: HTTP version not supported15.3%
[webserver] a5b24677-bb43-4a9b-afb7-a9cc697ed2f6 Unable to parse request: Malformed header line15.3%
[webserver] c2fd1d96-9706-4334-93a6-e611554ea972 Unable to parse request: HTTP version not supported15.3%
[webserver] c7306fe6-2833-4c59-a140-bd82109098d7 Unable to parse request: Malformed header line15.3%
[webserver] dfaed9a0-d77b-49ff-bc85-fc0c6c90985f Unable to parse request: HTTP version not supported15.3%
Rest:210.5%
Total:19100%
Reset

Remote server IP addresses

1.95.94.9120.0%
83.168.90.10120.0%
172.217.44.28120.0%
67.215.84.36120.0%
2620:119:10::36120.0%
Total:5100%
Reset

Remote hosts sending corrupt packets

45.156.87.79216.7%
165.154.11.210216.7%
20.169.107.12218.3%
20.38.45.15018.3%
147.182.219.19518.3%
104.152.52.23718.3%
104.152.52.24218.3%
240e:108:4a41:fffe::218.3%
2607:8500:faca:de::16518.3%
2607:8500:faca:de::16c18.3%
Total:12100%
Reset

Remote hosts querying zones for which we are not auth

67.215.84.6333.0%
2620:119:10::6333.0%
193.23.137.12833.0%
2620:119:10::3622.0%
122.9.169.7622.0%
2408:8000:1010:2f20::222.0%
67.215.84.6022.0%
118.70.115.12922.0%
61.135.23.6022.0%
2620:119:10::6022.0%
Rest:7777.0%
Total:100100%
Reset

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

249.251.137.205.in-addr.arpa/A14020.8%
243.251.137.205.in-addr.arpa/A9413.9%
244.251.137.205.in-addr.arpa/A548.0%
61.218.104.in-addr.arpa/DNSKEY172.5%
251.137.205.in-addr.arpa/DNSKEY162.4%
h104-218-61-253.ip4.unmetered.hosting/AAAA121.8%
62.218.104.in-addr.arpa/DNSKEY81.2%
h104-218-63-75.ip4.unmetered.hosting/AAAA50.7%
h104-218-60-252.ip4.unmetered.hosting/AAAA50.7%
ns1.highperformancecdn.com/TXT40.6%
Rest:31947.3%
Total:674100%
Reset

Queries for nonexistent records within existent zones

1.251.137.205.in-addr.arpa/PTR55.0%
h154-3-125-124.ip4.unmetered.hosting/A55.0%
h154-17-206-114.ip4.unmetered.hosting/AAAA55.0%
wpad.ip4.unmetered.hosting/A44.0%
h154-17-193-249.ip4.unmetered.hosting/A44.0%
h154-17-201-100.ip4.unmetered.hosting/AAAA33.0%
h154-17-206-16.ip4.unmetered.hosting/A33.0%
h154-3-118-85.ip4.unmetered.hosting/AAAA33.0%
H154-17-201-100.Ip4.unmetERed.hosTIng/A33.0%
H154-3-125-124.Ip4.uNmETeREd.hoStIng/AAAA33.0%
Rest:6262.0%
Total:100100%
Reset

UDP Queries Received

108.57.218.104.in-addr.arpa/PTR150.0%
197.204.182.199.in-addr.arpa/PTR150.0%
Total:2100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for zones that we are not authoritative for

197.204.182.199.in-addr.arpa/PTR34634.6%
db._dns-sd._udp.0.19.190.192.in-addr.arpa/PTR313.1%
b._dns-sd._udp.0.19.190.192.in-addr.arpa/PTR303.0%
101.19.190.192.in-addr.arpa/PTR292.9%
193.56.218.104.in-addr.arpa/PTR292.9%
lb._dns-sd._udp.0.19.190.192.in-addr.arpa/PTR282.8%
121.57.218.104.in-addr.arpa/PTR232.3%
201.172.192.104.In-AdDR.ArPA/PTR232.3%
_dns-sd._udp.0.19.190.192.in-addr.arpa/A212.1%
193.175.192.104.in-addr.arpa/PTR212.1%
Rest:41941.9%
Total:1000100%

Variables

backend-queries96026Number of queries sent to the backend(s)
corrupt-packets11357Number of corrupt packets received
deferred-cache-inserts3Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup0Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts1Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup2Amount 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.
noerror-packets19836Number of times a NOERROR packet was sent out
nxdomain-packets37078Number of times an NXDOMAIN packet was sent out
overload-drops0Queries dropped because backends overloaded
packetcache-hit4426820Number of hits on the packet cache
packetcache-miss1031584Number of misses on the packet cache
packetcache-size9712Number of entries in the packet cache
query-cache-hit189322Number of hits on the query cache
query-cache-miss96024Number of misses on the query cache
query-cache-size390Number of entries in the query cache
rd-queries7750Number 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-packets855Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers11745Number of answers sent out over TCP
tcp-answers-bytes948426Total size of answers sent out over TCP
tcp-cookie-queries0Number of TCP queries received with the COOKIE option
tcp-queries11745Number of TCP queries received
tcp4-answers7304Number of IPv4 answers sent out over TCP
tcp4-answers-bytes646873Total size of answers sent out over TCPv4
tcp4-queries7304Number of IPv4 TCP queries received
tcp6-answers4441Number of IPv6 answers sent out over TCP
tcp6-answers-bytes301553Total size of answers sent out over TCPv6
tcp6-queries4441Number of IPv6 TCP queries received
timedout-packets0Number of packets which weren't answered within timeout set
udp-answers5446904Number of answers sent out over UDP
udp-answers-bytes339155131Total size of answers sent out over UDP
udp-cookie-queries0Number of UDP queries received with the COOKIE EDNS option
udp-do-queries5139089Number of UDP queries received with DO bit
udp-queries5446999Number of UDP queries received
udp4-answers3823309Number of IPv4 answers sent out over UDP
udp4-answers-bytes238197853Total size of answers sent out over UDPv4
udp4-queries3823404Number of IPv4 UDP queries received
udp6-answers1623595Number of IPv6 answers sent out over UDP
udp6-answers-bytes100957278Total size of answers sent out over UDPv6
udp6-queries1623595Number of IPv6 UDP queries received
unauth-packets5354169Number of times a zone we are not auth for was queried
zone-cache-hit84234Number of zone cache hits
zone-cache-miss6225606Number of zone cache misses
zone-cache-size10Number of entries in the zone cache
backend-latency5555Average number of microseconds needed for a backend lookup
cache-latency17Average number of microseconds needed for a packet cache lookup
cpu-iowait615470Time spent waiting for I/O to complete by the whole system, in units of USER_HZ
cpu-steal8289781Stolen 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
latency866Average 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-usage152637440Actual unique use of memory in bytes (approx)
receive-latency102Average number of microseconds needed to receive a query
ring-logmessages-capacity10000Maximum number of entries in the logmessages ring
ring-logmessages-size19Number of entries in the logmessages ring
ring-noerror-queries-capacity10000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size674Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity100Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size100Number of entries in the nxdomain-queries ring
ring-queries-capacity1000Maximum number of entries in the queries ring
ring-queries-size2Number of entries in the queries ring
ring-remotes-capacity1000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity100Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size12Number of entries in the remotes-corrupt ring
ring-remotes-size5Number 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-capacity500Maximum number of entries in the servfail-queries ring
ring-servfail-queries-size0Number of entries in the servfail-queries ring
ring-unauth-queries-capacity1000Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size1000Number of entries in the unauth-queries ring
send-latency45Average number of microseconds needed to send the answer
signature-cache-size0Number of entries in the signature cache
sys-msec495122Number of msec spent in system time
udp-in-csum-errors2456UDP 'in checksum' errors
udp-in-errors4403966UDP 'in' errors
udp-noport-errors2310764UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors9301UDP 'sndbuf' errors
udp6-in-csum-errors484UDP 'in checksum' errors over IPv6
udp6-in-errors1053157UDP 'in' errors over IPv6
udp6-noport-errors626544UDP 'noport' errors over IPv6
udp6-recvbuf-errors1052673UDP 'recvbuf' errors over IPv6
udp6-sndbuf-errors65UDP 'sndbuf' errors over IPv6
uptime319445Uptime of process in seconds
user-msec3204544Number of msec spent in user time
xfr-queue0Size of the queue of zones to be XFRd