Domain & Email Security Audit: SPF, DMARC, DKIM, SSL, DNS

Domain Security Audit (TLS, HTTP headers, redirects, robots)

webdatatools/domain-security-audit

Domain Security Audit checks TLS certificate validity, HSTS/CSP and other HTTP security headers, the redirect chain and robots.txt/llms.txt AI-bot rules for any list of domains — one scored, graded row per domain.

Complete website & domain audit in one run: SSL/TLS, DNS, SPF/DKIM/DMARC email security, security headers, tech stack, WHOIS, blacklist & uptime — with a health score and fix list. No API key.

Expired & Dropped Domain Authority Finder

automation_studio/expired-domain-authority-finder

Discover high-authority expired, dropped, and available domains with clean Wayback history, live Wikipedia backlinks, and zero spam/PBN contamination.

Domain Security Auditor — DMARC, SPF, DKIM, TLS & DNS in bulk

datadeltas/domain-security-auditor

Audit any list of domains for email spoofing risk and web security: SPF (with real lookup counting), DKIM, DMARC policy, MTA-STS, TLS expiry, DNSSEC, CAA and security headers — scored, graded, with the fix for every finding.

Domain Security Checker

automation-lab/bulk-domain-security-posture-checker

Audit public domains across DNS, SPF, optional DKIM, DMARC, TLS, HTTPS, and security headers with severity-tagged remediation findings.

SPF, DKIM & DMARC Checker

gifted_wagon/dns-email-auth-auditor

Audit MX, SPF, DMARC, and optional DKIM selectors with normalized DNS evidence and actionable findings.

Bulk domain lookup: WHOIS/RDAP registrar, creation and expiry dates, DNS records (A, AAAA, MX, TXT), SPF and DMARC, email provider, and SSL certificate expiry for any list of domains.

DNS, WHOIS, SPF/DMARC, SSL Domain Audit

jungle_synthesizer/dns-domain-audit

Bulk domain audit covering DNS records, WHOIS registration, SPF/DMARC/DKIM email auth, SSL certificate, and reverse DNS. No browser, no proxy -- pure Node, sub-second per domain.

Domain Health Audit: DNS, WHOIS, SSL, SPF, DKIM & DMARC

apifmcpfactory/domain-health-audit

Audit 1 to 5,000 domains for DNS, WHOIS, SSL, HTTP and email-authentication problems, and get the exact DNS records to publish to fix each one. Scored, exportable, with a client-ready report. Validated against RFC 9989. For people and AI agents.

Check DNS records (A, AAAA, MX, TXT, NS), SSL certificate expiry, and key security headers for domains. Built for agencies and DevOps teams monitoring client sites.