PowerDNS 4.8.4

Uptime: 1.57 months
Queries/second, 1, 5, 10 minute averages: 1, 2, 2. Max queries/second: 78
Backend query cache hitrate, 1, 5, 10 minute averages: 24.3%, 24.9%, 25.0%
Backend query load, 1, 5, 10 minute averages: 6, 6, 7. Max queries/second: 268
Total queries: 13525429. Question/answer latency: 14ms


Reset

Log Messages

Backend launched with banner: OK Backend ready238631.0%
[PIPEBackend] Unable to launch, fatal argument error: Timeout waiting for data from coprocess4555.9%
Cleaning up4555.9%
Caught an exception instantiating a backend: Timeout waiting for data from coprocess4555.9%
Backend error: Timeout waiting for data from coprocess4505.8%
Limit of simultaneous TCP connections reached - raise max-tcp-connections3374.4%
[PIPEBackend] Unable to receive data from coprocess. Timeout waiting for data from coprocess951.2%
[PIPEBackend] Timeout waiting for data from coprocess951.2%
Backend reported permanent error which prevented lookup (Timeout waiting for data from coprocess), aborting951.2%
PDNSException while updating zone cache: Timeout waiting for data from coprocess50.1%
Rest:288037.4%
Total:7708100%
Reset

Remote server IP addresses

51.75.23.438989.0%
172.253.4.271671.7%
172.253.4.191631.6%
172.253.4.221501.5%
172.253.4.261481.5%
172.253.4.241451.4%
172.253.4.201441.4%
172.253.4.171381.4%
172.253.4.281371.4%
172.253.237.241301.3%
Rest:778077.8%
Total:10000100%
Reset

Remote hosts sending corrupt packets

45.148.10.81976797.7%
146.190.81.34190.2%
64.225.107.222190.2%
134.199.148.83180.2%
143.110.217.66170.2%
168.95.43.161100.1%
128.1.32.103100.1%
168.95.43.17740.0%
168.95.43.18740.0%
168.95.43.19540.0%
Rest:1281.3%
Total:10000100%
Reset

Remote hosts querying zones for which we are not auth

195.66.215.250194342.3%
182.92.125.19657412.5%
122.228.23.2241132.5%
18.163.102.214861.9%
145.116.218.1831.8%
139.162.66.65531.2%
185.73.23.133410.9%
202.112.47.150340.7%
81.29.134.51320.7%
87.121.84.128300.7%
Rest:160835.0%
Total:4597100%
Reset

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

DImE.5cEnTSCdn.com/AAAA9559.6%
PENny.5CeNTscdN.cOM/AAAA9379.4%
5centscdn.com/DNSKEY7307.3%
pull-3793.5centscdn.com/HTTPS3903.9%
storaGE-nA-01.CDnizED.neT/AAAA3603.6%
sTorAGe-eu-01.CDnIzed.Net/AAAA2922.9%
stORAGe-APAc-01.cDnIzeD.net/AAAA2302.3%
ENTeRprISE.cDniZED.NET/AAAA2152.1%
pull-4624.5centscdn.com/AAAA1781.8%
puSH-1649.5CeNtscDn.COm/AAAA1741.7%
Rest:553955.4%
Total:10000100%
Reset

Queries for nonexistent records within existent zones

Tm.5cENtScDn.coM/A219021.9%
dime.cdnized.net/A142114.2%
penny.cdnized.net/A141614.2%
penny.cdnized.net/AAAA107610.8%
dime.cdnized.net/AAAA107610.8%
dnstest.cdnized.net/A7958.0%
dnstest.cdnized.net/NS4414.4%
_.dnstest.cdnized.net/A700.7%
FLaShplAyER.5CEnTSCdN.com/A410.4%
flashplayer.5centscdn.com/AAAA400.4%
Rest:143414.3%
Total:10000100%
Reset

UDP Queries Received

STORaGE-Na-01.5CENTsCDN.CoM/A1100.0%
Total:1100%
Reset

Queries that could not be answered due to backend errors

pull-4817.5centscdn.com/A13129.1%
5centscdn.com/NS327.1%
penny.5centscdn.com/A316.9%
dime.5centscdn.com/A316.9%
kR2Ay86qo6Wy-HLs-Push.5CEnTsCdN.CoM/A245.3%
9B6LEZ5Elpxw-hLS-LIVE.5cenTScdn.cOM/A194.2%
penny.5centscdn.com/AAAA194.2%
dime.5centscdn.com/AAAA173.8%
b434ea64-e511-4e55-a9a2-caa6278acaea.dnstest.cdnized.net/A153.3%
b434ea64-e511-4e55-a9a2-caa6278acaea.dnstest.cdnized.net/AAAA143.1%
Rest:11726.0%
Total:450100%
Reset

Queries for zones that we are not authoritative for

cloudflare.com/TXT3247.0%
isc.org/DNSKEY3247.0%
isc.org/TXT3247.0%
ripe.net/TXT3247.0%
ripe.net/DNSKEY3247.0%
cloudflare.com/DNSKEY3237.0%
ip.parrotdns.com/A2104.6%
./A1453.2%
aaa.hmdns.top/TXT1332.9%
www.baidu.com/CNAME1322.9%
Rest:203444.2%
Total:4597100%

Variables

backend-queries127477472Number of queries sent to the backend(s)
corrupt-packets65374Number of corrupt packets received
deferred-cache-inserts26617Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup6082Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts0Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup0Amount 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-queries6DNS update packets received.
dnsupdate-refused6DNS update packets that are refused.
incoming-notifications0NOTIFY packets received.
noerror-packets1671765Number of times a NOERROR packet was sent out
nxdomain-packets170925Number of times an NXDOMAIN packet was sent out
overload-drops0Queries dropped because backends overloaded
packetcache-hit0Number of hits on the packet cache
packetcache-miss0Number of misses on the packet cache
packetcache-size0Number of entries in the packet cache
query-cache-hit13814202Number of hits on the query cache
query-cache-miss44054248Number of misses on the query cache
query-cache-size55Number of entries in the query cache
rd-queries1449725Number 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-status1Security status based on regular polling
servfail-packets5894Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers41026Number of answers sent out over TCP
tcp-answers-bytes3517902Total size of answers sent out over TCP
tcp-cookie-queries0Number of TCP queries received with the COOKIE option
tcp-queries41068Number of TCP queries received
tcp4-answers24310Number of IPv4 answers sent out over TCP
tcp4-answers-bytes2013431Total size of answers sent out over TCPv4
tcp4-queries24350Number of IPv4 TCP queries received
tcp6-answers16716Number of IPv6 answers sent out over TCP
tcp6-answers-bytes1504471Total size of answers sent out over TCPv6
tcp6-queries16718Number of IPv6 TCP queries received
timedout-packets0Number of packets which weren't answered within timeout set
udp-answers13524953Number of answers sent out over UDP
udp-answers-bytes1107956287Total size of answers sent out over UDP
udp-cookie-queries0Number of UDP queries received with the COOKIE EDNS option
udp-do-queries11154820Number of UDP queries received with DO bit
udp-queries13525429Number of UDP queries received
udp4-answers13083878Number of IPv4 answers sent out over UDP
udp4-answers-bytes1070333067Total size of answers sent out over UDPv4
udp4-queries13084354Number of IPv4 UDP queries received
udp6-answers441075Number of IPv6 answers sent out over UDP
udp6-answers-bytes37623220Total size of answers sent out over UDPv6
udp6-queries441075Number of IPv6 UDP queries received
unauth-packets4597Number of times a zone we are not auth for was queried
zone-cache-hit0Number of zone cache hits
zone-cache-miss0Number of zone cache misses
zone-cache-size0Number of entries in the zone cache
backend-latency5821Average number of microseconds needed for a backend lookup
cache-latency0Average number of microseconds needed for a packet cache lookup
cpu-iowait3567259Time spent waiting for I/O to complete by the whole system, in units of USER_HZ
cpu-steal7397571Stolen 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-usage36Number of open filedescriptors
key-cache-size7Number of entries in the key cache
latency14001Average number of microseconds needed to answer a question
meta-cache-size0Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage180211712Actual unique use of memory in bytes (approx)
receive-latency485646Average number of microseconds needed to receive a query
ring-logmessages-capacity10000Maximum number of entries in the logmessages ring
ring-logmessages-size7708Number of entries in the logmessages ring
ring-noerror-queries-capacity10000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size10000Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity10000Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size10000Number of entries in the nxdomain-queries ring
ring-queries-capacity10000Maximum number of entries in the queries ring
ring-queries-size1Number of entries in the queries ring
ring-remotes-capacity10000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity10000Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size10000Number of entries in the remotes-corrupt ring
ring-remotes-size10000Number of entries in the remotes ring
ring-remotes-unauth-capacity10000Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size4597Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity10000Maximum number of entries in the servfail-queries ring
ring-servfail-queries-size450Number of entries in the servfail-queries ring
ring-unauth-queries-capacity10000Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size4597Number of entries in the unauth-queries ring
send-latency64Average number of microseconds needed to send the answer
signature-cache-size0Number of entries in the signature cache
sys-msec7647591Number of msec spent in system time
udp-in-csum-errors526UDP 'in checksum' errors
udp-in-errors3478078UDP 'in' errors
udp-noport-errors28584078UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
udp6-in-csum-errors1136UDP 'in checksum' errors over IPv6
udp6-in-errors296425UDP 'in' errors over IPv6
udp6-noport-errors5854UDP 'noport' errors over IPv6
udp6-recvbuf-errors295289UDP 'recvbuf' errors over IPv6
udp6-sndbuf-errors0UDP 'sndbuf' errors over IPv6
uptime4124695Uptime of process in seconds
user-msec12437406Number of msec spent in user time
xfr-queue0Size of the queue of zones to be XFRd