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DNSSCOPE(1) PowerDNS Authoritative Server DNSSCOPE(1)

NAME

dnsscope - A PowerDNS nameserver debugging tool

SYNOPSIS

dnsscope [OPTION]... INFILE

DESCRIPTION

dnsscope takes an INFILE in PCAP format. It generates some simple statistics outputs these to STDOUT.

OPTIONS

Path to a PCAP file.

Show the help.
Only process packets in INFILE with the RD (Recursion Desired) flag set. By default, we process all DNS packets in INFILE.
Process IPv4 packets. On by default, disable with --ipv4 false.
Process IPv6 packets. On by default, disable with --ipv6 false.
Only process packets within this domain
Write out histogram with specified bin-size to 'full-histogram'
Write out a log-histogram of response times to 'log-histogram'
Remove servfail responses from latency statistics
The source and destination port to consider. Default is looking at packets from and to ports 53 and 5300.
Figure out subtrees that generate servfails.
Drop statistics files in this directory. Defaults to ./
Emit per-second load statistics (questions, answers, outstanding).
Write weird packets to a PCAP file at FILENAME.
Be more verbose.

SEE ALSO

pcap(3PCAP), tcpdump(8)

AUTHOR

PowerDNS.COM BV

COPYRIGHT

PowerDNS.COM BV

September 30, 2024