Free domain SEC scanner – DMARC, MTA-STS, subdomain takeover, credential leaks • Hacker News Board

Free domain SEC scanner – DMARC, MTA-STS, subdomain takeover, credential leaks

#1

Post by hughcox » Wed, Apr 08, 2026, 2:56 PM UTC

Free domain SEC scanner – DMARC, MTA-STS, subdomain takeover, credential leaks
mydomainrisk.com

Re: Free domain SEC scanner – DMARC, MTA-STS, subdomain takeover, credential leaks

#2

Post by hughcox » Wed, Apr 08, 2026, 2:56 PM UTC

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.

Re: Free domain SEC scanner – DMARC, MTA-STS, subdomain takeover, credential leaks

#3

Post by hughcox » Wed, Apr 08, 2026, 2:58 PM UTC

hughcox wrote: post #2

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…

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