dnsviz(1) User Commands dnsviz(1)

NAME


dnsviz - issue and assess diagnostic DNS queries

SYNOPSIS


dnsviz [ options ] command [ args ]

dnsviz [ options ] help [ command ]

DESCRIPTION


dnsviz is a tool for assessing the health of DNS deployments by
issuing diagnostic queries, assessing the responses, and outputting
the results in one of several formats. The assessment may be
directed towards recursive or authoritative DNS servers, and the
output may be textual, graphical, or serialized for programmatic
review.

dnsviz is invoked by specifying one of its commands as the first
argument on the command line, followed by arguments specific to that
command. If the first argument is "help", then the usage of the
command specified by the second argument is displayed. If no second
argument is provided, then a general usage message is given.

OPTIONS


-v Show version information and exit.

-p path
Add a path to the python path.

COMMANDS


probe Issue diagnostic DNS queries. See dnsviz-probe(1).

grok Assess diagnostic DNS queries See dnsviz-grok(1).

graph Graph the assessment of diagnostic DNS queries See dnsviz-
graph(1).

print Process diagnostic DNS queries to textual output See dnsviz-
print(1).

query Assess a DNS query See dnsviz-query(1).

help [ command ]
Show usage generally, or for a specific command.

EXIT CODES


The exit codes are:

0 Program terminated normally.

1 Incorrect usage.

SEE ALSO


dnsviz-probe(1), dnsviz-grok(1), dnsviz-graph(1), dnsviz-print(1),
dnsviz-query(1)

0.11.1 21 April 2025 dnsviz(1)