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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

INFILE
Path to a PCAP file.

-h, --help
Show the help.
--rd
Only process packets in INFILE with the RD (Recursion Desired) flag set. By default, we process all DNS packets in INFILE.
--ipv4=<state>
Process IPv4 packets. On by default, disable with --ipv4 false.
--ipv6=<state>
Process IPv6 packets. On by default, disable with --ipv6 false.
-f,--filter-name=<domain>
Only process packets within this domain
--full-histogram <msec>
Write out histogram with specified bin-size to 'full-histogram'
--log-histogram
Write out a log-histogram of response times to 'log-histogram'
--no-servfail-stats
Remove servfail responses from latency statistics
--servfail-tree
Figure out subtrees that generate servfails.
--stats-dir <directory>
Drop statistics files in this directory. Defaults to ./
-l, --load-stats
Emit per-second load statistics (questions, answers, outstanding).
-w <file>, --write-failures <file>
Write weird packets to a PCAP file at FILENAME.
-v, --verbose
Be more verbose.

SEE ALSO

pcap(3PCAP), tcpdump(8)

AUTHOR

PowerDNS.COM BV

COPYRIGHT

2001-2019, PowerDNS.COM BV
February 6, 2021