PowerDNS 4.3.1

Uptime: 4.03 days
Queries/second, 1, 5, 10 minute averages: 1, 1, 1. Max queries/second: 40
Cache hitrate, 1, 5, 10 minute averages: 37.4%, 35.5%, 35.2%
Backend query cache hitrate, 1, 5, 10 minute averages: 51.6%, 48.7%, 49.0%
Backend query load, 1, 5, 10 minute averages: 1, 2, 2. Max queries/second: 41
Total queries: 739942. Question/answer latency: 0.167ms


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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 SERVFAIL660.0%
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 Refused440.0%
Total:10100%
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Remote server IP addresses

13.105.168.81220.0%
127.0.0.1110.0%
20.161.81.20110.0%
104.23.182.31110.0%
74.125.41.85110.0%
172.253.221.112110.0%
13.105.170.139110.0%
20.246.94.150110.0%
46.45.185.185110.0%
Total:10100%
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Remote hosts sending corrupt packets

Total:0100%
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Remote hosts querying domains for which we are not auth

140.115.70.247330.0%
140.115.153.40220.0%
140.115.72.197220.0%
140.115.72.200220.0%
140.115.70.90110.0%
Total:10100%
Reset

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

www.ce.ncu.edu.tw/AAAA220.0%
ee.ncu.edu.tw/AAAA220.0%
ns2.ee.ncu.edu.tw/AAAA220.0%
ns2.ce.ncu.edu.tw/AAAA110.0%
ns.ce.ncu.edu.tw/AAAA110.0%
r532C.Ee.ncU.edu.tw/AAAA110.0%
ns.ee.ncu.edu.tw/AAAA110.0%
Total:10100%
Reset

Queries for non-existent records within existent domains

eecontrol137.ee.ncu.edu.tw.ee.ncu.edu.tw/AAAA440.0%
tw.ee.ncu.edu.tw/NS330.0%
170.152.115.140.in-addr.arpa/PTR220.0%
_MTA-sts.relAy2.ee.NCu.Edu.tW/TXT110.0%
Total:10100%
Reset

UDP Queries Received

www.ce.ncu.edu.tw/AAAA220.0%
ee.ncu.edu.tw/AAAA220.0%
ns.ee.ncu.edu.tw/AAAA220.0%
ns.ce.ncu.edu.tw/AAAA110.0%
ee.ncu.edu.tw/A110.0%
r532C.Ee.ncU.edu.tw/AAAA110.0%
API.DnS.EE.nCu.EDu.Tw/AAAA110.0%
Total:10100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

Total:0100%

Variables

corrupt-packets75Number of corrupt packets received
deferred-cache-inserts1076Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup194Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts696Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup53Amount 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.
overload-drops0Queries dropped because backends overloaded
packetcache-hit246472Number of hits on the packet cache
packetcache-miss507306Number of misses on the packet cache
packetcache-size422Number of entries in the packet cache
query-cache-hit1313040Number of hits on the query cache
query-cache-miss1104967Number of misses on the query cache
query-cache-size286Number of entries in the query cache
rd-queries227811Number of recursion desired questions
recursing-answers4529Number 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-packets39Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers14084Number of answers sent out over TCP
tcp-answers-bytes566876Total size of answers sent out over TCP
tcp-queries14090Number of TCP queries received
tcp4-answers14084Number of IPv4 answers sent out over TCP
tcp4-answers-bytes566876Total size of answers sent out over TCPv4
tcp4-queries14090Number 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-packets12Number of packets which weren't answered within timeout set
udp-answers739930Number of answers sent out over UDP
udp-answers-bytes50158290Total size of answers sent out over UDP
udp-do-queries317849Number of UDP queries received with DO bit
udp-queries739942Number of UDP queries received
udp4-answers735401Number of IPv4 answers sent out over UDP
udp4-answers-bytes50158290Total size of answers sent out over UDPv4
udp4-queries739942Number 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-iowait9303763Time 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-size24Number of entries in the key cache
latency167Average number of microseconds needed to answer a question
meta-cache-size80Number of entries in the metadata cache
open-tcp-connections0Number of currently open TCP connections
qsize-q0Number of questions waiting for database attention
real-memory-usage49299456Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10Maximum number of entries in the logmessages ring
ring-logmessages-size10Number of entries in the logmessages ring
ring-noerror-queries-capacity10Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size10Number of entries in the noerror-queries ring
ring-nxdomain-queries-capacity10Maximum number of entries in the nxdomain-queries ring
ring-nxdomain-queries-size10Number 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-capacity10Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity10Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size0Number of entries in the remotes-corrupt ring
ring-remotes-size10Number of entries in the remotes ring
ring-remotes-unauth-capacity10Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size10Number 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-capacity100Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size0Number of entries in the unauth-queries ring
signature-cache-size0Number of entries in the signature cache
sys-msec206002Number of msec spent in system time
udp-in-errors0UDP 'in' errors
udp-noport-errors238UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime348440Uptime of process in seconds
user-msec154176Number of msec spent in user time