This tool was useful because it provides comprehensive information about any website's hosting details quickly and easily. It allows users to find out which web hosting company is hosting a particular website by entering the domain name or URL. The tool also offers additional useful data such as host information, IP address, domain age, WHOIS details, blacklist status, and more. This can be valuable for website owners, developers, and researchers to analyze hosting reliability, security, and other factors impacting website performance. Additionally, the tool can help users check site uptime, speed, and server location, which are crucial for assessing hosting quality.