# WhosBuilt Find out who built any website. WhosBuilt inspects a domain's tech stack, hosting, DNS, SSL, WHOIS registration, and creator metadata to reveal who's behind any site. ## Features ### Technology Detection - Fingerprint 68+ technologies including frameworks, CMS, CDNs, and analytics - Detect server software, generators, and build tools from HTTP headers and HTML ### Creator Discovery - Extract builder credits from footers, HTML comments, and about pages - Parse JSON-LD structured data for organization and creator info - Read humans.txt for team details ### DNS Intelligence - Identify hosting provider from NS, CNAME, and A records - Detect email provider from MX records (Google Workspace, Microsoft 365, etc.) - Reveal verified third-party services from TXT records (Stripe, GitHub, etc.) ### Domain Registration - WHOIS/RDAP lookup for registrar, registrant org, and domain dates - SSL certificate inspection for issuer and organization ### Wikipedia Enrichment - Automatically find relevant Wikipedia articles for the organization - Parse infobox data: founders, headquarters, revenue, employees ## How It Works 1. Enter any domain name 2. WhosBuilt runs parallel lookups: HTTP inspection, DNS, WHOIS/RDAP, SSL, Wikipedia 3. Results are displayed in an organized, scannable format ## About WhosBuilt is built by Hwee-Boon Yar, a solo indie developer who has been writing and delivering software for 30 years. ## Contact - Email: hboon@motionobj.com - @hboon on X/Twitter: https://x.com/hboon - @hboon.com on Bluesky: https://bsky.app/profile/hboon.com