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dns_tree — command-line frontend to dig


dns_tree [-f] [-v] [-d] [-t TYPE] [-m MATCH] DNS_domain


This manual page documents briefly the dns_tree command.

This manual page was written for the Debian distribution because the original program does
not have a manual page.

dns_tree is a program that works as a front-end to dig. Given a specific domain dns_tree
will make several dig invocations to fetch a zone and it will format the output in in
a somewhat sensible hierarchical style (a tree).

Information extracted from the DNS relies on being possible to fetch a zone through a zone
transfer. If the DNS servers for the requested domain do not allow file transfers dns_tree
will not be able to obtain information from the zone.

All data obtain is cached in ~/.DNS_BROWSE with an approximation of the usual DNS caching
rules. Remove all files in that directory to prematurely flush the cache.


A summary of options is included below.

-t TYPE Show only records of TYPE. This argument can be repeated to indicate multiple
types. Use the "all" type to print all the known types.

-m MATCH Show only records in which the first component matches the PERL regexpt MATCH.

-h Show summary of options.

-v Enable verbose mode. All DNS requests are printed in the standard error.

-d Enable debug output. Presents internal information of the program

-f Override warnings (force).

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