Man page - dnsscope(1)

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Manual

DNSSCOPE

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO
AUTHOR
COPYRIGHT

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

--port

The source and destination port to consider. Default is looking at packets from and to ports 53 and 5300.

--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

PowerDNS.COM BV