PowerDNS 4.9.2

Uptime: 1.77 days
Queries/second, 1, 5, 10 minute averages: 2, 2, 3. Max queries/second: 44
Cache hitrate, 1, 5, 10 minute averages: 34.7%, 33.7%, 38.1%
Backend query cache hitrate, 1, 5, 10 minute averages: 85.3%, 84.5%, 84.7%
Backend query load, 1, 5, 10 minute averages: 1, 1, 1. Max queries/second: 4
Total queries: 347995. Question/answer latency: 1.19ms


Reset

Log Messages

PowerDNS Security Update Mandatory: Upgrade now, see https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html8487.5%
About to create 3 backend threads for UDP11.0%
AXFR-out zone 'siga.ufrj.br', client '146.164.170.11:50310', transfer initiated11.0%
AXFR-out zone 'siga.ufrj.br', client '146.164.249.35:17053', transfer initiated11.0%
AXFR-out zone 'siga.ufrj.br', client '146.164.249.35:37628', transfer initiated11.0%
AXFR-out zone 'siga.ufrj.br', client '200.156.137.100:40129', transfer initiated11.0%
AXFR-out zone 'siga.ufrj.br', client '200.156.137.100:50983', transfer initiated11.0%
Cleared signature cache.11.0%
Creating backend connection for TCP11.0%
Done launching threads, ready to distribute questions11.0%
Rest:33.1%
Total:96100%
Reset

Remote server IP addresses

200.156.137.100154855.5%
186.229.124.832421.2%
172.69.38.5332341.1%
146.164.170.1131301.1%
172.71.5.7531051.1%
186.229.124.1030191.1%
200.156.137.1129761.1%
186.229.124.929231.0%
172.68.17.4227871.0%
186.229.124.1125320.9%
Rest:23920184.9%
Total:281634100%
Reset

Remote hosts sending corrupt packets

104.152.52.238150.0%
104.152.52.242150.0%
Total:2100%
Reset

Remote hosts querying zones for which we are not auth

145.116.218.15175.0%
193.176.31.14657.4%
66.132.224.2711.5%
174.138.40.3011.5%
185.247.137.4111.5%
69.5.169.11811.5%
66.240.219.14611.5%
185.125.204.16211.5%
71.6.158.16611.5%
185.216.145.17711.5%
Rest:45.9%
Total:68100%
Reset

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

ns.siga.ufrj.br/AAAA59059.3%
pORtAl.UFRJ.bR/AAAA53048.3%
ns.siga.ufrj.br/A44597.0%
GNOSyS.uFRj.br/AAAA43456.8%
siga.ufrj.br/AAAA40796.4%
sigadocker.ufrj.br/AAAA38416.0%
portal.ufrj.br/HTTPS36395.7%
gnosys.ufrj.br/HTTPS35965.6%
siga.ufrj.br/HTTPS30094.7%
SigAdoCKER.UFrj.bR/HTTPS19953.1%
Rest:2364137.0%
Total:63813100%
Reset

Queries for nonexistent records within existent zones

WwW2.EDUcACAo.EDUcacaO.portAL.UfrJ.Br/A220.0%
charts.gitlab.io.siga.ufrj.br/AAAA110.0%
minio-tools.siga.ufrj.br/A110.0%
localhost.siga.ufrj.br/A110.0%
_grpc_config.localhost.siga.ufrj.br/TXT110.0%
educacao.portal.ufrj.br/A110.0%
educacao.educacao.portal.ufrj.br/A110.0%
www2.educacao.educacao.portal.ufrj.br/CNAME110.0%
_8090._https.sigadocker.ufrj.br/HTTPS110.0%
Total:10100%
Reset

UDP Queries Received

ns.siga.ufrj.br/AAAA397.8%
ns.siga.ufrj.br/A336.6%
sender._domainkey.siga.ufrj.br/TXT275.4%
mail.siga.ufrj.br/A193.8%
siga.ufrj.br/TXT193.8%
Portal.uFrJ.Br/AAAA183.6%
siga.ufrj.br/AAAA173.4%
cloud.siga.ufrj.br/A163.2%
sIgadoCkEr.uFrj.bR/AAAA153.0%
siga.ufrj.br/A153.0%
Rest:28256.4%
Total:500100%
Reset

Queries that could not be answered due to backend errors

Total:0100%
Reset

Queries for zones that we are not authoritative for

cloudflare.com/A514.3%
direct.shodan.io/A25.7%
1784077375854949.2440354305.2460222072.6.62321.any.dnsjedi.org/A12.9%
5eedn7aocetgo.r4-41-29.dnscheck.internet-measurement.com/A12.9%
ip.parrotdns.com/A12.9%
www.google.com/A12.9%
1784074307.92A40278.2026-07-15-00-01-NXD.open-resolver-scan.research.icann.org/TXT12.9%
1784077365985291.2440354305.2460222072.29.62321.any.dnsjedi.org/A12.9%
1784077364894125.2440354305.2460222072.19.62321.any.dnsjedi.org/A12.9%
1784077378853639.2440354305.2460222072.9.62321.any.dnsjedi.org/A12.9%
Rest:2057.1%
Total:35100%

Variables

backend-queries181566Number of queries sent to the backend(s)
corrupt-packets2Number of corrupt packets received
deferred-cache-inserts190Amount of cache inserts that were deferred because of maintenance
deferred-cache-lookup110Amount of cache lookups that were deferred because of maintenance
deferred-packetcache-inserts167Amount of packet cache inserts that were deferred because of maintenance
deferred-packetcache-lookup7Amount 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-notifications1NOTIFY packets received.
noerror-packets84405Number of times a NOERROR packet was sent out
nxdomain-packets48406Number of times an NXDOMAIN packet was sent out
overload-drops0Queries dropped because backends overloaded
packetcache-hit115868Number of hits on the packet cache
packetcache-miss232367Number of misses on the packet cache
packetcache-size462Number of entries in the packet cache
query-cache-hit842870Number of hits on the query cache
query-cache-miss178109Number of misses on the query cache
query-cache-size67Number of entries in the query cache
rd-queries2689Number 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-status3Security status based on regular polling
servfail-packets0Number of times a server-failed packet was sent out
signatures355Number of DNSSEC signatures made
tcp-answers300Number of answers sent out over TCP
tcp-answers-bytes255692Total size of answers sent out over TCP
tcp-cookie-queries0Number of TCP queries received with the COOKIE option
tcp-queries300Number of TCP queries received
tcp4-answers300Number of IPv4 answers sent out over TCP
tcp4-answers-bytes255692Total size of answers sent out over TCPv4
tcp4-queries300Number 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-packets0Number of packets which weren't answered within timeout set
udp-answers347995Number of answers sent out over UDP
udp-answers-bytes110050300Total size of answers sent out over UDP
udp-cookie-queries0Number of UDP queries received with the COOKIE EDNS option
udp-do-queries282011Number of UDP queries received with DO bit
udp-queries347995Number of UDP queries received
udp4-answers347995Number of IPv4 answers sent out over UDP
udp4-answers-bytes110050300Total size of answers sent out over UDPv4
udp4-queries347995Number 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
unauth-packets68Number of times a zone we are not auth for was queried
zone-cache-hit242817Number of zone cache hits
zone-cache-miss228441Number of zone cache misses
zone-cache-size8Number of entries in the zone cache
backend-latency1600Average number of microseconds needed for a backend lookup
cache-latency9Average number of microseconds needed for a packet cache lookup
cpu-iowait435411Time spent waiting for I/O to complete by the whole system, in units of USER_HZ
cpu-steal139367Stolen 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-usage24Number of open filedescriptors
key-cache-size8Number of entries in the key cache
latency1188Average 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-usage74641408Actual unique use of memory in bytes (approx)
receive-latency72Average number of microseconds needed to receive a query
ring-logmessages-capacity500Maximum number of entries in the logmessages ring
ring-logmessages-size96Number of entries in the logmessages ring
ring-noerror-queries-capacity500000Maximum number of entries in the noerror-queries ring
ring-noerror-queries-size63813Number 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-capacity500Maximum number of entries in the queries ring
ring-queries-size500Number of entries in the queries ring
ring-remotes-capacity500000Maximum number of entries in the remotes ring
ring-remotes-corrupt-capacity500Maximum number of entries in the remotes-corrupt ring
ring-remotes-corrupt-size2Number of entries in the remotes-corrupt ring
ring-remotes-size281634Number of entries in the remotes ring
ring-remotes-unauth-capacity500Maximum number of entries in the remotes-unauth ring
ring-remotes-unauth-size68Number of entries in the remotes-unauth ring
ring-servfail-queries-capacity100Maximum 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-size35Number of entries in the unauth-queries ring
send-latency36Average number of microseconds needed to send the answer
signature-cache-size354Number of entries in the signature cache
sys-msec54474Number of msec spent in system time
udp-in-csum-errors0UDP 'in checksum' errors
udp-in-errors0UDP 'in' errors
udp-noport-errors594UDP 'noport' errors
udp-recvbuf-errors0UDP 'recvbuf' errors
udp-sndbuf-errors0UDP 'sndbuf' errors
udp6-in-csum-errors0UDP 'in checksum' errors over IPv6
udp6-in-errors0UDP 'in' errors over IPv6
udp6-noport-errors0UDP 'noport' errors over IPv6
udp6-recvbuf-errors0UDP 'recvbuf' errors over IPv6
udp6-sndbuf-errors0UDP 'sndbuf' errors over IPv6
uptime152801Uptime of process in seconds
user-msec62612Number of msec spent in user time
xfr-queue0Size of the queue of zones to be XFRd