This tool requires dnsviz command to be installed. Use you distribution packages
or install it using pip. Note that dnsviz dependencies have to be installed separately.
The following installs dnsviz for Python3 from git (with latest Python 3 fixes).
$ dnf install openssl-devel python3-devel swig gcc redhat-rpm-config git
$ pip3 install git+https://github.com/dnsviz/dnsviz.git M2Crypto dnspython$ ./dnsviz.py domains_file # basic example
$ ./dnsviz.py --help # for more infodnsviz.py utilizes DNSViz probe
and grok commands to analyze the list of domains in a given input file.
Output is processed and errors and warning for analyzed domains is stored in
the output file, which can the be used for additional filtering in
diffsum.py utility.