Free Security Scan
Scan any domainno account required.
Full external security posture scan with live results. DNS, TLS, email auth, headers, and more — checked in seconds.
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Scan status
Submit a domain to start a scan. Results will appear here.
What we check
- DNS records, DNSSEC, and zone transfer testing
- Subdomain discovery via Certificate Transparency
- TLS certificates, protocols, and cipher analysis
- Email security (SPF, DKIM, DMARC, MTA-STS, TLS-RPT)
- SMTP open relay and DNSBL blacklist checks
- HTTP security headers and cookie analysis
- TCP port scanning with banner grabbing
- WHOIS registration and domain age
- Reputation (DNSBL, PhishTank, GSB, VirusTotal, AbuseIPDB)
- Certificate Transparency log monitoring
- Technology fingerprinting