PowerDNS 4.3.1

Uptime: 3.21 months
Queries/second, 1, 5, 10 minute averages: 3, 3, 3. Max queries/second: 481
Cache hitrate, 1, 5, 10 minute averages: 33.8%, 32.2%, 31.1%
Backend query cache hitrate, 1, 5, 10 minute averages: 57.4%, 58.4%, 58.8%
Backend query load, 1, 5, 10 minute averages: 4, 4, 4. Max queries/second: 418
Total queries: 32507136. Question/answer latency: 0.035ms


Reset

Log Messages

Total:0100%
Reset

Remote server IP addresses

140.115.152.152880.0%
127.0.0.1110.0%
140.115.70.101110.0%
Total:10100%
Reset

Remote hosts sending corrupt packets

Total:0100%
Reset

Remote hosts querying domains for which we are not auth

140.115.152.152880.0%
140.115.70.101110.0%
140.115.152.161110.0%
Total:10100%
Reset

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

ns.ce.ncu.edu.tw/AAAA13113.1%
ns2.ce.ncu.edu.tw/AAAA12712.7%
ns2.ee.ncu.edu.tw/AAAA10310.3%
ns.Ee.NCU.EdU.Tw/AAAA919.1%
ee.ncu.edu.tw/DNSKEY292.9%
ce.ncu.edu.tw/DNSKEY262.6%
ReLay2.ce.ncU.EdU.tw/AAAA222.2%
solid08.ee.ncu.edu.tw/AAAA212.1%
RELAY2.eE.ncu.Edu.tW/AAAA191.9%
VApLaB.CE.NCu.edu.tw/AAAA131.3%
Rest:41841.8%
Total:1000100%
Reset

Queries for non-existent records within existent domains

146.152.115.140.in-addr.arpa/PTR220.0%
222.158.115.140.in-addr.arpa/PTR220.0%
173.70.115.140.in-addr.arpa/PTR110.0%
35.72.115.140.in-addr.arpa/PTR110.0%
206.72.115.140.in-addr.arpa/PTR110.0%
DOcKER.seRvice.INtERNAl.ee.nCU.EDU.TW/A110.0%
bbs.ee.ncu.edu.tw/A110.0%
bbs.ee.ncu.edu.tw/MX110.0%
Total:10100%
Reset

UDP Queries Received

ns.ce.ncu.edu.tw/AAAA333.3%
dns.msftncsi.com/A323.2%
a.root-servers.net/A272.7%
ns2.ce.ncu.edu.tw/AAAA262.6%
connections.brother.com/A242.4%
ssl.gstatic.com/A151.5%
ns2.ee.ncu.edu.tw/AAAA141.4%
p2p-hkg1.discovery.steamserver.net/A111.1%
ns.ee.ncu.edu.tw/AAAA111.1%
beacons.gcp.gvt2.com/A111.1%
Rest:79679.6%
Total:1000100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for domains that we are not authoritative for

dns.msftncsi.com/A234.6%
a.root-servers.net/A183.6%
connections.brother.com/A163.2%
p2p-hkg1.discovery.steamserver.net/A91.8%
beacons.gcp.gvt2.com/A91.8%
time1.google.com/AAAA81.6%
time4.google.com.smb.com/AAAA81.6%
time4.google.com.smb.com/A81.6%
time3.google.com.smb.com/AAAA81.6%
time3.google.com.smb.com/A81.6%
Rest:38577.0%
Total:500100%

Variables

corrupt-packets2463Number of corrupt packets received
deferred-cache-inserts26885Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup10706Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts34964Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup4492Amount 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-notifications102NOTIFY packets received.
overload-drops0Queries dropped because backends overloaded
packetcache-hit11434465Number of hits on the packet cache
packetcache-miss21134470Number of misses on the packet cache
packetcache-size410Number of entries in the packet cache
query-cache-hit55553752Number of hits on the query cache
query-cache-miss39844331Number of misses on the query cache
query-cache-size439Number of entries in the query cache
rd-queries14199702Number of recursion desired questions
recursing-answers153098Number 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-packets873Number of times a server-failed packet was sent out
signatures0Number of DNSSEC signatures made
tcp-answers71069Number of answers sent out over TCP
tcp-answers-bytes5682763Total size of answers sent out over TCP
tcp-queries71061Number of TCP queries received
tcp4-answers71069Number of IPv4 answers sent out over TCP
tcp4-answers-bytes5682763Total size of answers sent out over TCPv4
tcp4-queries71061Number 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-packets925Number of packets which weren't answered within timeout set
udp-answers32506205Number of answers sent out over UDP
udp-answers-bytes1869827212Total size of answers sent out over UDP
udp-do-queries7251098Number of UDP queries received with DO bit
udp-queries32507136Number of UDP queries received
udp4-answers32353107Number of IPv4 answers sent out over UDP
udp4-answers-bytes1869827212Total size of answers sent out over UDPv4
udp4-queries32507136Number 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-iowait129421518Time 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
latency35Average 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-usage58290176Actual unique use of memory in bytes (approx)
ring-logmessages-capacity10Maximum number of entries in the logmessages ring
ring-logmessages-size0Number of entries in the logmessages ring
ring-noerror-queries-capacity1000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size1000Number 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-capacity1000Maximum number of entries in the queries ring
ring-queries-size1000Number of entries in the queries ring
ring-remotes-capacity10Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity1000Maximum 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-capacity500Maximum number of entries in the unauth-queries ring
ring-unauth-queries-size500Number of entries in the unauth-queries ring
signature-cache-size0Number of entries in the signature cache
sys-msec7229849Number of msec spent in system time
udp-in-errors42763UDP 'in' errors
udp-noport-errors1179UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
uptime8427363Uptime of process in seconds
user-msec6242489Number of msec spent in user time