Making Use of Web Based (http, port 80) Whois in Domain Punch Pro, Watch My Domains, etc.
WhoIs | NetTools
WhoisCL - WHOIS command line tool
Using the Diagnostic Port 43 Whois Tool
Using Whois - American Registry for Internet Numbers
How to Use macOS Sierra's 'Hidden' Network Utility
How to use whois | VK9 Security
How to Use macOS Sierra's 'Hidden' Network Utility
How to Find Server's IP Address of Any Website | SPYGIRL
Using Whois - American Registry for Internet Numbers
WHOIS client | eCSoft/2
Netstat process of Active Whois for Windows
Alternatives to popular CLI tools: whois - LinuxLinks
X-NetStat Tour - Fresh Software
Using Whois - American Registry for Internet Numbers
Using Whois - American Registry for Internet Numbers
FREE: eToolz – GUI for ping, traceroute, WHOIS and more – 4sysops
WHOIS client | eCSoft/2
Using the Diagnostic Port 43 Whois Tool
Which ports should be opened in Avid | Edit On Demand?
Whois Server Setup: Port 43 Whois Server Configuration
WHOIS utility - Download
How to open a TCP port 43 for whois command using iptables - nixCraft
Netstat process of Active Whois for Windows
Testing TCP port connectivity between computers and devices - Audio Perception
