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● pdns-recursor.service - PowerDNS Recursor
Loaded: loaded (/lib/systemd/system/pdns-recursor.service; enabled; vendor preset: enabled)
Active: activating (start) since Fri 2021-05-14 17:59:58 MSK; 20ms ago
Docs: man:pdns_recursor(1)
man:rec_control(1)
https://doc.powerdns.com
Main PID: 28106 ((recursor))
Tasks: 1 (limit: 4915)
Memory: 268.0K
CGroup: /system.slice/pdns-recursor.service
└─28106 (recursor)
May 14 17:59:58 vs-otr-powerdns01 systemd[1]: Starting PowerDNS Recursor...
操作系统版本：
PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=debian
PowerDNS 版本：
pdns_server --version
May 15 10:54:11 PowerDNS Authoritative Server 4.1.6 (C) 2001-2018 PowerDNS.COM BV
May 15 10:54:11 Using 64-bits mode. Built using gcc 8.3.0.
May 15 10:54:11 PowerDNS comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it according to the terms of the GPL version 2.
May 15 10:54:11 Features: sodium openssl lua
May 15 10:54:11 Built-in modules:
May 15 10:54:11 Configured with: " '--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libdir=${prefix}/lib/x86_64-linux-gnu' '--libexecdir=${prefix}/lib/x86_64-linux-gnu' '--disable-maintainer-mode' '--disable-dependency-tracking' '--sysconfdir=/etc/powerdns' '--with-dynmodules=bind ldap pipe gmysql godbc gpgsql gsqlite3 geoip lua mydns remote random opendbx tinydns' '--with-modules=' '--enable-libsodium' '--enable-tools' '--without-protobuf' '--enable-unit-tests' '--enable-reproducible' '--enable-systemd' '--with-systemd=/lib/systemd/system' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fdebug-prefix-map=/build/pdns-rxuCeC/pdns-4.1.6=. -fstack-protector-strong -Wformat -Werror=format-security' 'LDFLAGS=-Wl,-z,relro -Wl,-z,now' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fdebug-prefix-map=/build/pdns-rxuCeC/pdns-4.1.6=. -fstack-protector-strong -Wformat -Werror=format-security -DPACKAGEVERSION='\''"4.1.6-3+deb10u1.Debian"'\'' -Wall'"
日志：
May 14 17:47:27 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Main process exited, code=exited, status=1/FAILURE
-- An ExecStart= process belonging to unit pdns-recursor.service has exited.
May 14 17:47:27 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Failed with result 'exit-code'.
-- The unit pdns-recursor.service has entered the 'failed' state with result 'exit-code'.
-- Subject: A start job for unit pdns-recursor.service has failed
-- A start job for unit pdns-recursor.service has finished with a failure.
May 14 17:47:27 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Service RestartSec=100ms expired, scheduling restart.
May 14 17:47:27 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Scheduled restart job, restart counter is at 2334.
-- Automatic restarting of the unit pdns-recursor.service has been scheduled, as the result for
-- Subject: A stop job for unit pdns-recursor.service has finished
-- A stop job for unit pdns-recursor.service has finished.
-- Subject: A start job for unit pdns-recursor.service has begun execution
-- A start job for unit pdns-recursor.service has begun execution.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Main process exited, code=exited, status=1/FAILURE
-- An ExecStart= process belonging to unit pdns-recursor.service has exited.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Failed with result 'exit-code'.
-- The unit pdns-recursor.service has entered the 'failed' state with result 'exit-code'.
-- Subject: A start job for unit pdns-recursor.service has failed
-- A start job for unit pdns-recursor.service has finished with a failure.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Service RestartSec=100ms expired, scheduling restart.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Scheduled restart job, restart counter is at 2335.
-- Automatic restarting of the unit pdns-recursor.service has been scheduled, as the result for
-- Subject: A stop job for unit pdns-recursor.service has finished
-- A stop job for unit pdns-recursor.service has finished.
-- Subject: A start job for unit pdns-recursor.service has begun execution
-- A start job for unit pdns-recursor.service has begun execution.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Main process exited, code=exited, status=1/FAILURE
-- An ExecStart= process belonging to unit pdns-recursor.service has exited.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Failed with result 'exit-code'.
-- The unit pdns-recursor.service has entered the 'failed' state with result 'exit-code'.
-- Subject: A start job for unit pdns-recursor.service has failed
-- A start job for unit pdns-recursor.service has finished with a failure.
May 14 17:47:28 vs-otr-powerdns01 systemd[1]: pdns-recursor.service: Service RestartSec=100ms expired, scheduling restart.
/etc/powerdns/recursor.conf
# Autogenerated configuration file template
#################################
# allow-from If set, only allow these comma separated netmasks to recurse
#
# allow-from=127.0.0.0/8, 10.0.0.0/8, 100.64.0.0/10, 169.254.0.0/16, 192.168.0.0/16, 172.16.0.0/12, ::1/128, fc00::/7, fe80::/10
#################################
# allow-from-file If set, load allowed netmasks from this file
#
# allow-from-file=
#################################
# any-to-tcp Answer ANY queries with tc=1, shunting to TCP
#
# any-to-tcp=no
#################################
# api-config-dir Directory where REST API stores config and zones
#
# api-config-dir=
#################################
# api-key Static pre-shared authentication key for access to the REST API
#
# api-key=
#################################
# api-logfile Location of the server logfile (used by the REST API)
#
# api-logfile=/var/log/pdns.log
#################################
# api-readonly Disallow data modification through the REST API when set
#
# api-readonly=no
#################################
# auth-zones Zones for which we have authoritative data, comma separated domain=file pairs
#
# auth-zones=
#################################
# carbon-interval Number of seconds between carbon (graphite) updates
#
# carbon-interval=30
#################################
# carbon-ourname If set, overrides our reported hostname for carbon stats
#
# carbon-ourname=
#################################
# carbon-server If set, send metrics in carbon (graphite) format to this server IP address
#
# carbon-server=
#################################
# chroot switch to chroot jail
#
# chroot=
#################################
# client-tcp-timeout Timeout in seconds when talking to TCP clients
#
# client-tcp-timeout=2
#################################
# config-dir Location of configuration directory (recursor.conf)
#
config-dir=/etc/powerdns
#################################
# config-name Name of this virtual configuration - will rename the binary image
#
# config-name=
#################################
# cpu-map Thread to CPU mapping, space separated thread-id=cpu1,cpu2..cpuN pairs
#
# cpu-map=
#################################
# daemon Operate as a daemon
#
# daemon=no
#################################
# delegation-only Which domains we only accept delegations from
#
# delegation-only=
#################################
# disable-packetcache Disable packetcache
#
# disable-packetcache=no
#################################
# disable-syslog Disable logging to syslog, useful when running inside a supervisor that logs stdout
#
# disable-syslog=no
#################################
# dnssec DNSSEC mode: off/process-no-validate (default)/process/log-fail/validate
#
# dnssec=process-no-validate
#################################
# dnssec-log-bogus Log DNSSEC bogus validations
#
# dnssec-log-bogus=no
#################################
# dont-query If set, do not query these netmasks for DNS data
#
# dont-query=127.0.0.0/8, 10.0.0.0/8, 100.64.0.0/10, 169.254.0.0/16, 192.168.0.0/16, 172.16.0.0/12, ::1/128, fc00::/7, fe80::/10, 0.0.0.0/8, 192.0.0.0/24, 192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24, 240.0.0.0/4, ::/96, ::ffff:0:0/96,
100::/64, 2001:db8::/32
#################################
# ecs-ipv4-bits Number of bits of IPv4 address to pass for EDNS Client Subnet
#
# ecs-ipv4-bits=24
#################################
# ecs-ipv6-bits Number of bits of IPv6 address to pass for EDNS Client Subnet
#
# ecs-ipv6-bits=56
#################################
# ecs-scope-zero-address Address to send to whitelisted authoritative servers for incoming queries with ECS prefix-length source of 0
#
# ecs-scope-zero-address=
#################################
# edns-outgoing-bufsize Outgoing EDNS buffer size
#
# edns-outgoing-bufsize=1680
#################################
# edns-subnet-whitelist List of netmasks and domains that we should enable EDNS subnet for
#
# edns-subnet-whitelist=
#################################
# entropy-source If set, read entropy from this file
#
# entropy-source=/dev/urandom
#################################
# etc-hosts-file Path to 'hosts' file
#
# etc-hosts-file=/etc/hosts
#################################
# export-etc-hosts If we should serve up contents from /etc/hosts
#
# export-etc-hosts=off
#################################
# export-etc-hosts-search-suffix Also serve up the contents of /etc/hosts with this suffix
#
# export-etc-hosts-search-suffix=
#################################
# forward-zones Zones for which we forward queries, comma separated domain=ip pairs
#
# forward-zones=
#################################
# forward-zones-file File with (+)domain=ip pairs for forwarding
#
# forward-zones-file=
#################################
# forward-zones-recurse Zones for which we forward queries with recursion bit, comma separated domain=ip pairs
#
# forward-zones-recurse=
#################################
# gettag-needs-edns-options If EDNS Options should be extracted before calling the gettag() hook
#
# gettag-needs-edns-options=no
#################################
# hint-file If set, load root hints from this file
#
# hint-file=
hint-file=/usr/share/dns/root.hints
#################################
# include-dir Include *.conf files from this directory
#
# include-dir=
include-dir=/etc/powerdns/recursor.d
#################################
# latency-statistic-size Number of latency values to calculate the qa-latency average
#
# latency-statistic-size=10000
#################################
# local-address IP addresses to listen on, separated by spaces or commas. Also accepts ports.
#
local-address=127.0.0.1,10.100.20.110
#################################
# local-port port to listen on
#
# local-port=53
#################################
# log-common-errors If we should log rather common errors
#
# log-common-errors=no
#################################
# log-rpz-changes Log additions and removals to RPZ zones at Info level
#
# log-rpz-changes=no
#################################
# log-timestamp Print timestamps in log lines, useful to disable when running with a tool that timestamps stdout already
#
# log-timestamp=yes
#################################
# logging-facility Facility to log messages as. 0 corresponds to local0
#
# logging-facility=
#################################
# loglevel Amount of logging. Higher is more. Do not set below 3
#
# loglevel=6
#################################
# lowercase-outgoing Force outgoing questions to lowercase
#
# lowercase-outgoing=no
#################################
# lua-config-file More powerful configuration options
#
lua-config-file=/etc/powerdns/recursor.lua
#################################
# lua-dns-script Filename containing an optional 'lua' script that will be used to modify dns answers
#
# lua-dns-script=
#################################
# max-cache-entries If set, maximum number of entries in the main cache
#
# max-cache-entries=1000000
#################################
# max-cache-ttl maximum number of seconds to keep a cached entry in memory
#
# max-cache-ttl=86400
#################################
# max-mthreads Maximum number of simultaneous Mtasker threads
#
# max-mthreads=2048
#################################
# max-negative-ttl maximum number of seconds to keep a negative cached entry in memory
#
# max-negative-ttl=3600
#################################
# max-ns-address-qperq Maximum outgoing NS address queries per query
#
# max-ns-address-qperq=10
#################################
# max-packetcache-entries maximum number of entries to keep in the packetcache
#
# max-packetcache-entries=500000
#################################
# max-qperq Maximum outgoing queries per query
#
# max-qperq=50
#################################
# max-recursion-depth Maximum number of internal recursion calls per query, 0 for unlimited
#
# max-recursion-depth=40
#################################
# max-tcp-clients Maximum number of simultaneous TCP clients
#
# max-tcp-clients=128
#################################
# max-tcp-per-client If set, maximum number of TCP sessions per client (IP address)
#
# max-tcp-per-client=0
#################################
# max-tcp-queries-per-connection If set, maximum number of TCP queries in a TCP connection
#
# max-tcp-queries-per-connection=0
#################################
# max-total-msec Maximum total wall-clock time per query in milliseconds, 0 for unlimited
#
# max-total-msec=7000
#################################
# max-udp-queries-per-round Maximum number of UDP queries processed per recvmsg() round, before returning back to normal processing
#
# max-udp-queries-per-round=10000
#################################
# minimum-ttl-override Set under adverse conditions, a minimum TTL
#
# minimum-ttl-override=0
#################################
# network-timeout Wait this number of milliseconds for network i/o
#
# network-timeout=1500
#################################
# no-shuffle Don't change
#
# no-shuffle=off
#################################
# non-local-bind Enable binding to non-local addresses by using FREEBIND / BINDANY socket options
#
# non-local-bind=no
#################################
# nsec3-max-iterations Maximum number of iterations allowed for an NSEC3 record
#
# nsec3-max-iterations=2500
#################################
# packetcache-servfail-ttl maximum number of seconds to keep a cached servfail entry in packetcache
#
# packetcache-servfail-ttl=60
#################################
# packetcache-ttl maximum number of seconds to keep a cached entry in packetcache
#
# packetcache-ttl=3600
#################################
# pdns-distributes-queries If PowerDNS itself should distribute queries over threads
#
# pdns-distributes-queries=yes
#################################
# processes Launch this number of processes (EXPERIMENTAL, DO NOT CHANGE)
#
# processes=1
#################################
# query-local-address Source IP address for sending queries
#
# query-local-address=0.0.0.0
#################################
# query-local-address6 Source IPv6 address for sending queries. IF UNSET, IPv6 WILL NOT BE USED FOR OUTGOING QUERIES
#
# query-local-address6=
#################################
# quiet Suppress logging of questions and answers
#
quiet=yes
#################################
# reuseport Enable SO_REUSEPORT allowing multiple recursors processes to listen to 1 address
#
# reuseport=no
#################################
# root-nx-trust If set, believe that an NXDOMAIN from the root means the TLD does not exist
#
# root-nx-trust=yes
#################################
# security-poll-suffix Domain name from which to query security update notifications
#
# security-poll-suffix=secpoll.powerdns.com.
security-poll-suffix=
#################################
# serve-rfc1918 If we should be authoritative for RFC 1918 private IP space
#
# serve-rfc1918=yes
#################################
# server-down-max-fails Maximum number of consecutive timeouts (and unreachables) to mark a server as down ( 0 => disabled )
#
# server-down-max-fails=64
#################################
# server-down-throttle-time Number of seconds to throttle all queries to a server after being marked as down
#
# server-down-throttle-time=60
#################################
# server-id Returned when queried for 'id.server' TXT or NSID, defaults to hostname
#
# server-id=
#################################
# setgid If set, change group id to this gid for more security
#
setgid=pdns
#################################
# setuid If set, change user id to this uid for more security
#
setuid=pdns
#################################
# signature-inception-skew Allow the signture inception to be off by this number of seconds
#
# signature-inception-skew=0
#################################
# single-socket If set, only use a single socket for outgoing queries
#
# single-socket=off
#################################
# snmp-agent If set, register as an SNMP agent
#
# snmp-agent=no
#################################
# snmp-master-socket If set and snmp-agent is set, the socket to use to register to the SNMP master
#
# snmp-master-socket=
#################################
# soa-minimum-ttl Don't change
#
# soa-minimum-ttl=0
#################################
# socket-dir Where the controlsocket will live, /var/run when unset and not chrooted
#
# socket-dir=
#################################
# socket-group Group of socket
#
# socket-group=
#################################
# socket-mode Permissions for socket
#
# socket-mode=
#################################
# socket-owner Owner of socket
#
# socket-owner=
#################################
# spoof-nearmiss-max If non-zero, assume spoofing after this many near misses
#
# spoof-nearmiss-max=20
#################################
# stack-size stack size per mthread
#
# stack-size=200000
#################################
# statistics-interval Number of seconds between printing of recursor statistics, 0 to disable
#
# statistics-interval=1800
#################################
# stats-ringbuffer-entries maximum number of packets to store statistics for
#
# stats-ringbuffer-entries=10000
#################################
# tcp-fast-open Enable TCP Fast Open support on the listening sockets, using the supplied numerical value as the queue size
#
# tcp-fast-open=0
#################################
# threads Launch this number of threads
#
# threads=2
#################################
# trace if we should output heaps of logging. set to 'fail' to only log failing domains
#
# trace=off
#################################
# udp-truncation-threshold Maximum UDP response size before we truncate
#
# udp-truncation-threshold=1680
#################################
# use-incoming-edns-subnet Pass along received EDNS Client Subnet information
#
# use-incoming-edns-subnet=no
#################################
# version-string string reported on version.pdns or version.bind
#
# version-string=PowerDNS Recursor 4.1.11
#################################
# webserver Start a webserver (for REST API)
#
# webserver=no
#################################
# webserver-address IP Address of webserver to listen on
#
# webserver-address=127.0.0.1
#################################
# webserver-allow-from Webserver access is only allowed from these subnets
#
# webserver-allow-from=127.0.0.1,::1
#################################
# webserver-password Password required for accessing the webserver
#
# webserver-password=
#################################
# webserver-port Port of webserver to listen on
#
# webserver-port=8082
#################################
# write-pid Write a PID file
#
# write-pid=yes
forward-zones=.=77.88.8.8;77.88.8.1;2a02:6b8::feed:0ff;2a02:6b8:0:1::feed:0ff
forward-zones-recurse=.=77.88.8.8;77.88.8.1;2a02:6b8::feed:0ff;2a02:6b8:0:1::feed:0ff
/etc/powerdns/pdns.conf
allow-axfr-ips=10.100.20.111
also-notify=10.100.20.111
api=yes
api-key=<KEY>
api-logfile=/var/log/pdns.log
disable-axfr=no
include-dir=/etc/powerdns/pdns.d
launch=
master=yes
security-poll-suffix=
setgid=pdns
setuid=pdns
webserver-address=127.0.0.1
slave=no
/etc/powerdns/pdns.d/bind.conf
bind-config=/etc/powerdns/named.conf
/etc/powerdns/pdns.d/pdns.local.gmysql.conf
launch+=gmysql
gmysql-host=localhost
gmysql-port=3306
gmysql-dbname=powerdns
gmysql-user=powerdns
gmysql-password=powerdnspwd
gmysql-dnssec=yes