Who hosts this site?
Enter any domain. We run 25 probes in parallel — hosting, CDN, DNS, TLS, security headers, email auth, SEO meta, tech stack, registrar, domain age — and print the receipts.
What this tool tells you
The full forensic report card. Every public website leaves a trail; we follow all of it.
Hosting + CDN
ASN, network type, data center, edge provider — cross-referenced with our 4,156-provider directory.
Domain & registrar
RDAP whois, registrar, creation date, expiry, age. Wayback first-seen as a fallback.
Security grade
TLS 1.0/1.1/1.2/1.3 matrix, certificate chain, key size, security headers scored A+→F.
Email authentication
SPF, DMARC policy, DKIM selectors, BIMI, MTA-STS, TLS-RPT. Graded composite.
DNS configuration
A, AAAA, MX, NS, TXT, CAA, SOA. DNS provider attribution from nameservers.
SEO metadata
Title, description, canonical, Open Graph, JSON-LD types, hreflang, robots, sitemap.
Technology stack
CMS, framework, analytics, tag manager, chat widgets, payment processors, JS libraries.
Forensic score
Single grade summarising the operational quality of the site: A+ down to F.
No signup
Open in tab, paste, hit enter. Every probe is free.