AuditSecure delivers SPF/DKIM/DMARC, TLS audit, subdomain discovery, port scan, tech fingerprint and risk grade A+ to F in a single scan, no ads, from $19/mo.
MxToolbox: classic email tool, blacklist + MX checks, but no TLS audit, no port scan, no risk score, ad-supported.
Hardenize: enterprise-focused TLS analysis, no tech fingerprint, no embeddable badge, no Spanish support, from $25/mo.
SecurityScorecard: enterprise TPRM at $1,500+/mo, comparable technical depth, designed for security teams managing hundreds of vendors.
Sucuri: malware scanner + WAF for WordPress, complementary not competitive — Sucuri scans your CMS, AuditSecure audits DNS/email/TLS posture.
Mail-Tester: free spam score test only, no DNS audit, no TLS, no monitoring.