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dns_tree - Online in the Cloud

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This is the command dns_tree that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



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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