Security Monitor — Continuous External Security Monitoring

Scan once. Stay in control. 170+ checks across DNS, email, TLS, headers, reputation and breaches — cross-verified with VirusTotal, Shodan and HIBP.

Free instant security scan

Enter any domain and get a full external security report in under 60 seconds. No signup required for the first scan.

What we check

DNS configuration and DNSSEC
Email authentication (SPF, DKIM, DMARC, BIMI, MTA-STS)
TLS / SSL certificates and cipher strength
HTTP security headers (HSTS, CSP, X-Frame-Options)
Exposed services and open ports
Data breaches and leaked credentials
Reputation (VirusTotal, Shodan, Google Safe Browsing)

Plans and pricing

Free one-time scan, Continuous Monitoring from €19/month, Full Visibility from €189/month with team seats and compliance reporting.

Built in the EU · GDPR-compliant · 2,000+ domains protected

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Free security tools

Quick, focused checks for the most common email and web-security questions — powered by the same engine that runs the full Security Monitor scan.

SPF Record Checker

Check any domain's SPF record for syntax errors, lookup-count violations, and policy weakness. Free, instant, no signup.

DMARC Record Checker

Look up any domain's DMARC record. We check the policy strength (none/quarantine/reject), aggregate reporting, and percentage enforcement.

HTTP Security Headers Checker

Scan any URL for HSTS, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy. Get a 0-100 score.

DNS Lookup

Resolve any domain's full DNS footprint in one call: A, AAAA, MX, NS, TXT, CAA records with TTLs.

Need the full picture?

Run all 170+ checks across 10 categories in one scan — DNS, email auth, TLS, headers, breaches, reputation and more.