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       dnsreplay - A PowerDNS nameserver debugging tool


       dnsreplay [options] filename ip-address [port]


       This program takes recorded questions and answers and replays them to a
       specified nameserver  and  reporting  afterwards  which  percentage  of
       answers matched, were worse or better.

       filename  is  expected to be an PCAP file.  The queries are send to the
       DNS  server  specified  as   ip-address  and  [port].   ip-address   is
       mandatory.  If  [port] is omitted, 53 will be used.  dnsreplay compares
       the answers and some other metrics with  the  actual  ones  with  those
       found in the dumpfile.

       By default it only replay queries with recursion-desired flag set.


       --help | -h
              Show summary of options.

       --packet-limit num
              Stop  after  replaying  num packets. Default for num is 0, which
              means no limit.

       --quiet flag
              If flag is set to 1. dnsreplay will not be very noisy  with  its
              output. This is the default.

       --recursive flag
              If  flag  is  set  to 1. dnsreplay will only replay queries with
              recursion desired flag set. This is the default.

       --speedup factor
              Replay queries with this speedup factor. Default is 1.

       --timeout-msec time
              Wait at least this many milliseconds for  a  reply.  Default  is


       dnsreplay  has  no  certain handling for timeouts. It handles around at
       most 65536 outstanding answers.


       pcap(3PCAP), tcpdump(8), dnswascher(8)


       This manpage was written by Joerg Jungermann (jj+debian At
       for the Debian Project and the PowerDNS versatile DNS server.

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