A domain security scanner for IT and security practitioners. 40+ non-intrusive external checks — DMARC, SPF, DKIM, MTA-STS, BIMI, CAA, subdomain takeover, cloud storage exposure, attack scenarios, and a GDPR Article 32 technical baseline. Cross-references against HudsonRock infostealer intelligence and HIBP breach data. One-click email access, no password, no credit card. Free tier includes 3 domains, 5 scans per day, scan history, and AI-generated remediation guidance per finding.