Using the Diagnostic Port 43 Whois Tool
Netstat process of Active Whois for Windows
How to Use macOS Sierra's 'Hidden' Network Utility
WHOIS client | eCSoft/2
Using Whois - American Registry for Internet Numbers
Netstat process of Active Whois for Windows
Using Whois - American Registry for Internet Numbers
FREE: eToolz – GUI for ping, traceroute, WHOIS and more – 4sysops
Using Whois - American Registry for Internet Numbers
WHOIS utility - Download
Infrastructure Hacking: WHOIS Protocol » Hacking Lethani
Which ports should be opened in Avid | Edit On Demand?
macos - Why is "whois" timing out on my Mac's terminal but apparent working fine in Network Utility? - Super User
Using Whois - American Registry for Internet Numbers
Testing TCP port connectivity between computers and devices - Audio Perception
Using the Diagnostic Port 43 Whois Tool
Whois Server Setup: Port 43 Whois Server Configuration
How to open a TCP port 43 for whois command using iptables - nixCraft
How to Use the Port Scanner in Mac OS X Network Utility | OSXDaily
Using the Diagnostic Port 43 Whois Tool
whois Command in Linux Explained | Uses and Examples
WHOIS client | eCSoft/2
How to use whois | VK9 Security
Testing TCP port connectivity between computers and devices - Audio Perception
