WhoisGenius Blog https://whoisgeni.us/blog/ Field notes on domain intelligence: correlating operators, reading WHOIS in the post-GDPR era, and the signals that reveal who runs a domain. en-us From analytics to pipeline: qualifying the companies that visit your site https://whoisgeni.us/blog/analytics-to-pipeline-lead-qualification/ A BizDev service processing hundreds of visitor domains a week doesn't need more names. It needs to know which rows are real, which account owns them, and which to delete. A technical walkthrough with a full 50-domain run, real verdicts, and the integration that ships it. Sat, 22 Aug 2026 00:00:00 GMT case-study lead-qualification sales https://whoisgeni.us/blog/analytics-to-pipeline-lead-qualification/ What a screenshot tells you about who runs a domain https://whoisgeni.us/blog/what-a-screenshot-reveals/ When the registry is blank and the network points at a CDN, the page itself is often the clearest signal left. How WhoisGenius reads a site's screenshot to name the operator, shown on two real domains. Wed, 15 Jul 2026 00:00:00 GMT signals vision attribution https://whoisgeni.us/blog/what-a-screenshot-reveals/ The domain says Facebook. The company is Meta. https://whoisgeni.us/blog/domain-says-facebook-company-is-meta/ The name in the domain is often not the entity that operates it. Real examples (Facebook, Xfinity, npm, Twitter) where the right answer is a parent, a subsidiary, or a company that renamed itself, and why a good attribution tool tells you which. Tue, 14 Jul 2026 00:00:00 GMT case-study attribution entities https://whoisgeni.us/blog/domain-says-facebook-company-is-meta/ One operator, many domains: unmasking a portfolio https://whoisgeni.us/blog/one-operator-many-domains/ Tumblr, WooCommerce, Gravatar, Jetpack — four brands that look independent and share one operator. A worked example of portfolio correlation using a publicly documented case, and how the same method surfaces links that aren't public. Tue, 14 Jul 2026 00:00:00 GMT case-study correlation attribution https://whoisgeni.us/blog/one-operator-many-domains/ How to tell if two domains are run by the same operator https://whoisgeni.us/blog/same-operator-correlation/ Registrant fields are redacted, but operators still leave fingerprints across their infrastructure. How to correlate two domains to one owner, and how to avoid the shared-infrastructure trap that produces confident, wrong answers. Tue, 14 Jul 2026 00:00:00 GMT correlation attribution investigations https://whoisgeni.us/blog/same-operator-correlation/ WHOIS said REDACTED. We found the operator anyway. https://whoisgeni.us/blog/whois-redacted-found-anyway/ Four real domains where the registration record gives you nothing (GDPR-redacted, privacy-shielded, or hidden behind a CDN) and WhoisGenius still names the operator, with the confidence and the signal that carried it. Tue, 14 Jul 2026 00:00:00 GMT case-study attribution whois https://whoisgeni.us/blog/whois-redacted-found-anyway/ Reading a WHOIS record: what actually matters for investigations https://whoisgeni.us/blog/reading-whois-records/ Most contact fields in a modern WHOIS record are redacted noise. A field-by-field guide to the ones that still carry signal (creation dates, nameservers, EPP status codes) and how to read through redaction with RDAP and historical records. Sun, 12 Jul 2026 00:00:00 GMT whois fundamentals investigations https://whoisgeni.us/blog/reading-whois-records/ Beyond WHOIS: what domain signals reveal about intent https://whoisgeni.us/blog/beyond-whois-domain-signals/ Registration data is redacted, but a live domain still broadcasts dozens of signals about who runs it and why. A working tour of the categories that survive redaction, why fusing them beats any single field, and where a strong signal points at the wrong owner. Fri, 10 Jul 2026 00:00:00 GMT signals attribution fundamentals https://whoisgeni.us/blog/beyond-whois-domain-signals/