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 
- --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