The results of a Whois lookup on the IP address of the Web servers

Using Whois - American Registry for Internet Numbers

Reverse IP and Domain Lookup — MCSI Library

What is the relationship between a website's domain name and its physical location or server? - Quora

A Comprehensive Guide To WHOIS Lookup

How to Find the IP Address of a Website - ®

WhoisCL - WHOIS command line tool

All you need to know about Linux whois command (domain lookup), by Data Science Digest

How Domain Name Servers Work

What happens if you Google an IP address? - Quora