pdns_recursor [--daemon] [--local-address] [--help, -h] [--allow-from]
pdns_recursor(1) is a high performance, simple and secure recursing
nameserver. It currently powers over two million internet connections.
The recursor is configured via a configuration file, but each item in
that file can be overridden on the command line.
This manpage lists the core set of features needed to get the PowerDNS
recursor working, for full and up to date details head to
To listen on 188.8.131.52 and allow the 184.108.40.206/8 subnet to recurse, and run
as a daemon, execute:
# pdns_recursor --local-address=220.127.116.11 --allow-from=18.104.22.168/8 --daemon
To stop the recursor by hand, run:
# rec_control quit
Alternatively, use the init.d script provided.
For authoritative listing of options, consult the documentation
turn on to do AAAA additional processing (slow)
If set, only allow these comma separated netmasks to recurse
Authoritative zones can transmit a TTL value that is lower than
that specified in the parent zone. This is called a delegation
inconsistency. To follow RFC 2181 paragraphs 5.2 and 5.4 to the
letter, enable this feature. This will mean a slight deterioration
of performance, and it will not solve any problems, but does make
the recursor more standards compliant. Not recommended unless you
have to tick an RFC 2181 compliant box. Off by default.
Comma separated list of zonename=filename pairs. Zones read from
these files are served authoritatively. Example: auth-zones=
Available since 3.1.
Which domains we only accept delegations from
Where to read new entropy from, defaults to /dev/urandom.
If set, this flag will export the host names and IP addresses
mentioned in /etc/hosts. Available since 3.1.
If set, fork the daemon for possible double performance
Comma separated list of zonename=IP pairs. Queries for zones listed
here will be forwarded to the IP address listed. forward-zones=
ds9a.nl=22.214.171.124, powerdns.com=127.0.0.1. Available since
3.1. For more details, see the manual.
listed here will be forwarded to the IP address listed. One zone
per line, like: ds9a.nl=126.96.36.199 Available since 3.1.5. For
more details, see the manual.
If set, load root hints from this file
IP addresses to listen on, separated by spaces or commas
port to listen on
If we should log rather common errors
If set, maximum number of entries in the main cache
maximum number of seconds to keep a negative cached entry in memory
Maximum number of simultaneous TCP clients
If set, maximum number of TCP sessions per client (IP address)
Source IP address for sending queries
Send out local IPv6 queries from this address. Disabled by default,
which also disables outgoing IPv6 support. A useful setting is ::0.
which saves load on the AS112 servers. Individual parts of these
zones can still be loaded or forwarded.
If set, change group id to this gid for more security
If set, change user id to this uid for more security
If set, only use a single socket for outgoing queries
Where the controlsocket will live
If non-zero, assume spoofing after this many near misses
if we should output heaps of logging
string reported on version.pdns or version.bind
None known. File new ones at http://wiki.powerdns.com.
Written by PowerDNS.COM BV, bert hubert, <firstname.lastname@example.org>
Website: http://wiki.powerdns.com, http://www.powerdns.com
Copyright (C) 2006 PowerDNS.COM BV. Free use of this software is
granted under the terms of the GNU General Public License (GPL) version
3.0 09/17/2013 PDNS_RECURSOR(1)
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