dnsscope - Man Page

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

Info

Dec 19, 2023 PowerDNS Authoritative Server