dnsscope

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.
--servfail-tree
 Figure out subtrees that generate servfails.
-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)