dnstrace man page

dnstrace - a kind of traceroute(8) for DNS records

Synopsis

dnstrace [Options] <TYPE> <DOMAIN-NAME> <ROOT-IP> [<ROOT-IP> ...]

Description

dnstrace is a useful debugging tool to search for all DNS servers that can affect the resolution of records of given <TYPE> under the give <DOMAIN-NAME> starting from the root name server <ROOT-IP>. dnstrace uses the standard DNS resolution algorithm but follows all possible paths in the algorithm. It prints all responses it receives from the DNS servers. It also prints warnings about slow servers, dead servers, misdelegated servers and misformatted packets.

$ dnstrace A google.com 127.0.0.1 | dnstrcesort

One can use the dnstracesort in conjunction with the dnstrace. It produces more human friendly sorted output.

Options

-h --help
print this help
-v --version
print version information

See

http://cr.yp.to/djbdns/debugging.html

Bugs

Report bugs to <pj.pandit@yahoo.co.in>

Manual Author

Prasad J Pandit

Info