Does anyone know a tool that can validate a list of domains(100+ domains) in one run?
Below are the sample list of domains.
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There the main open source tool designed to validation domain names (validation as correct DNS configuration) is Zonemaster (https://zonemaster.net).
The tool has a "batch mode" that can validate lists of domain names.
You can install it by following the installation instructions on Github: https://github.com/zonemaster/zonemaster