Life & fun · September 26, 2014
Whoisology
Find Connections Between Domain Names & Their Owners
Whoisology launched on September 26, 2014 with 106 votes, #281 of 2,087 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.
In plain words
Whoisology is a tool that helps users discover connections between domain names and their owners. It aggregates WHOIS data to reveal relationships and patterns across multiple domains, making it useful for researchers, investigators, and business professionals who need to map out domain ownership networks. The platform is designed for anyone looking to understand who owns domains and how they may be linked together.
written from the facts on this page · September 2026
From the sources
A searchable cross referenced database of current and historic domain name ownership records. Designed for InfoSec, legal, and research professionals. Free for casual users.
Whoisology is a domain name ownership archive with literally billions of searchable and cross referenced domain name whois records. Our main focus is reverse whois which is used for cyber crime investigation / InfoSec, corporate intelligence, legal research, business development, and for good ol' fashioned poking around. Sifting through data can be incredibly hardwork. We took time to figure out how we could make massive amounts of legally mandated public data digestible. We've succeeded. Domain name whois lookup data has always been publically available, but now it's actually usable. We constantly receive emails from people sharing stories of how big data was used in the trenches, it's…from whoisology.com
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DomainDetails.com - Free & Private WHOISDec 2025 · domaindetails.com · ▲26Free & Private domain research - right in your browser
WHOIS History2021 · whois-history.whoisxmlapi.com · ▲3#1 repository of historical domain name ownership records
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