Scan any domain for SSL/TLS issues, DNS email security (SPF, DKIM, DMARC), open ports, and security headers — free, instant, no signup.
Scans SSL/TLS · DNS & Email Security · Port Exposure · Security Headers
Get a professional Deep Security Check — a branded PDF covering SSL/TLS, email security, HTTP headers, open ports, WAF detection, vulnerability scanning. Every issue explained with step-by-step fixes.
Self-audit tool only. This check is for scanning your own domain. Scanning others without consent violates our Acceptable Use Policy.
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