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: 8.1%, 10.7%, 11.7%
Backend query cache hitrate, 1, 5, 10 minute averages: 71.4%, 69.5%, 69.2%
Backend query load, 1, 5, 10 minute averages: 15, 13, 13. Max queries/second: 288
Total queries: 61067053. Question/answer latency: 0.09ms


Reset

Log Messages

Error resolving for firewall.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL164616.5%
Error resolving for pW.servICE.iNTernaL.Ee.ncu.edU.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL153215.3%
Error resolving for ldap-ssp.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL146514.7%
Error resolving for KaNbaN.sErVICE.InTErNAl.Ee.nCu.eDU.TW ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, A-record query returned Non-Existent domain, returning SERVFAIL146014.6%
Limit of simultaneous TCP connections reached - raise max-tcp-connections109711.0%
Error resolving for KAnbAN.SERvIcE.inTErNaL.EE.ncu.EDU.TW ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL6456.5%
Error resolving for FIREwaLL.sERvicE.iNTerNAL.eE.ncu.Edu.TW ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL5885.9%
Could not retrieve security status update for '4.3.1' on 'auth-4.3.1.security-status.secpoll.powerdns.com.': RCODE was not NOERROR but Query Refused5275.3%
Error resolving for LdaP-Ssp.sErvicE.inTErNal.eE.nCU.EDU.tW ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL4924.9%
Error resolving for pw.service.internal.ee.ncu.edu.tw ALIAS docker.service.internal.ee.ncu.edu.tw over UDP, AAAA-record query returned Non-Existent domain, returning SERVFAIL4834.8%
Rest:650.7%
Total:10000100%
Reset

Remote server IP addresses

Total:0100%
Reset

Remote hosts sending corrupt packets

140.115.152.6537244.0%
47.90.250.2121225.1%
140.115.70.106546.4%
114.214.236.28212.5%
140.115.70.73121.4%
140.115.70.8491.1%
104.248.160.16660.7%
46.101.47.10960.7%
161.35.36.11160.7%
165.227.228.11760.7%
Rest:14216.8%
Total:846100%
Reset

Remote hosts querying domains for which we are not auth

140.115.70.853232.0%
140.115.70.871010.0%
140.115.153.4066.0%
140.115.70.11466.0%
140.115.70.11066.0%
140.115.70.10966.0%
140.115.70.24755.0%
140.115.7.3655.0%
140.115.152.16155.0%
140.115.152.15244.0%
Rest:1515.0%
Total:100100%
Reset

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

ns.ce.ncu.edu.tw/AAAA2626.0%
ns2.ce.ncu.edu.tw/AAAA2424.0%
ns.ee.ncu.edu.tw/AAAA77.0%
ns2.ee.ncu.edu.tw/AAAA66.0%
20.152.115.140.in-addr.arpa/A55.0%
ce.ncu.edu.tw/DNSKEY44.0%
MWNL.Ce.ncu.eDU.Tw/AAAA33.0%
solid08.ee.ncu.edu.tw/AAAA22.0%
ee.ncu.edu.tw/DNSKEY22.0%
cae36.ee.ncu.edu.tw/AAAA11.0%
Rest:2020.0%
Total:100100%
Reset

Queries for non-existent records within existent domains

252.152.115.140.in-addr.arpa/PTR58111.2%
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:46499293.0%
Total:500000100%
Reset

UDP Queries Received

a.root-servers.net/A1801.8%
ns.ce.ncu.edu.tw/AAAA1091.1%
ns2.ce.ncu.edu.tw/AAAA1061.1%
dns.msftncsi.com/A1011.0%
252.152.115.140.in-addr.arpa/PTR820.8%
134.73.115.140.in-addr.arpa/PTR810.8%
connections.brother.com/A710.7%
232.154.115.140.in-addr.arpa/PTR540.5%
62.73.115.140.in-addr.arpa/PTR540.5%
49.70.115.140.in-addr.arpa/PTR540.5%
Rest:910891.1%
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/A911.5%
dns.msftncsi.com/A56.4%
connections.brother.com/A56.4%
time3.google.com.smb.com/AAAA22.6%
www.evernote.com/A22.6%
time3.google.com/AAAA22.6%
time3.google.com/A22.6%
time2.google.com/AAAA22.6%
time2.google.com/A22.6%
time1.google.com/AAAA22.6%
Rest:4557.7%
Total:78100%

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-inserts14035Amount 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-hit10037007Number of hits on the packet cache
packetcache-miss51057339Number of misses on the packet cache
packetcache-size987Number of entries in the packet cache
query-cache-hit170307674Number of hits on the query cache
query-cache-miss78494009Number of misses on the query cache
query-cache-size917Number of entries in the query cache
rd-queries46234317Number of recursion desired questions
recursing-answers113096Number 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-answers61054922Number of answers sent out over UDP
udp-answers-bytes5256503380Total size of answers sent out over UDP
udp-do-queries5180687Number of UDP queries received with DO bit
udp-queries61067060Number of UDP queries received
udp4-answers60941826Number of IPv4 answers sent out over UDP
udp4-answers-bytes5256503380Total size of answers sent out over UDPv4
udp4-queries61067060Number 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-iowait9200604Time 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
latency89Average 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-usage145412096Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10000Maximum number of entries in the logmessages ring
ring-logmessages-size10000Number 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-size846Number of entries in the remotes-corrupt ring
ring-remotes-size7Number 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-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-size78Number 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
uptime6115942Uptime of process in seconds
user-msec13704819Number of msec spent in user time