WHOIS utility - Download
Alternatives to popular CLI tools: whois - LinuxLinks
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WhoisCL - WHOIS command line tool
Using the Diagnostic Port 43 Whois Tool
Using Whois - American Registry for Internet Numbers
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How to open a TCP port 43 for whois command using iptables - nixCraft
Making Use of Web Based (http, port 80) Whois in Domain Punch Pro, Watch My Domains, etc.
Whois Server Setup: Port 43 Whois Server Configuration
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FREE: eToolz – GUI for ping, traceroute, WHOIS and more – 4sysops
Using the Diagnostic Port 43 Whois Tool
Using the Diagnostic Port 43 Whois Tool
Netstat process of Active Whois for Windows
Using Whois - American Registry for Internet Numbers
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WhoIs | NetTools
p Option with whois Command
Making Use of Web Based (http, port 80) Whois in Domain Punch Pro, Watch My Domains, etc.
whois Command in Linux Explained | Uses and Examples
Using the Diagnostic Port 43 Whois Tool
How to Use the Port Scanner in Mac OS X Network Utility | OSXDaily
