fuad00 / dnsvalidator-portable

Maintains a list of IPv4 DNS servers by verifying them against baseline servers, and ensuring accurate responses.

DNS Validator

Maintains a list of IPv4 DNS servers by verifying them against baseline servers, and ensuring accurate responses.

Usage

Argument	Description
(stdin)	Pipe target lists from another application to verify.
-t	Specify a target DNS server to verify.
-tL	Specify a list of targets or a URL to a list of targets
-e	Specify a target exclusion.
-eL	Specify a list of targets or a URL to a list of targets to exclude.
-r	Specify a root domain to compare to. Must be non-geolocated or most resolvers will fail.
-q	Specify a resolver query to use (default:dnsvalidator)
-threads	Specify the maximum number of threads to run at any one time (DEFAULT:5)
-timeout	Specify a timeout value in seconds for any single thread (DEFAULT:600)
-o	Specify an output file to write successful output to.
--no-color	If set then any foreground or background colours will be stripped out
--silent	If set then only successfully resolved servers will be displayed and banners and other information will be redacted.
-v	If set then verbose output will be displayed in the terminal.

Setup

Install using:

$ pip3 install -r requiremets.txt

Examples:

CLI:

$ python3 dnsvalidator.py -tL https://public-dns.info/nameservers.txt -threads 20 -o resolvers.txt