How to master macOS whois command basics

The macOS command places important web domain, nameserver, and registration information at your fingertips. Here's how to make it work for you.

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macos - WHOIS in Mac OS terminal not doing anything - Stack Overflow

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macos - Where to find documentation for `whois` command options? - Ask Different

Redhat / CentOS Install whois client - nixCraft

GitHub - Uchean/OS-X-Security-and-Privacy-Guide

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Mac Administration: A Closer Look at System Information - The Instructional

Mac Administration: A Closer Look at System Information - The Instructional

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