All Free Tools
Free Email & Deliverability Tools
Free email deliverability tools. Check email blacklists across 25+ DNSBLs, validate SPF, DKIM, DMARC records, and score your domain mail configuration.
2 free toolsNo signup required
Email Tool
Free Email Configuration Checker
Check your domain's email setup — MX records, SPF, DKIM, DMARC, MTA-STS, BIMI, and reverse DNS. Get a mail deliverability score with actionable recommendations.
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Email Tool
Free Email Blacklist Checker
Check if your domain or IP is blacklisted on 25+ major email blacklists (DNSBL). Instant results with clear listed/clean/timeout status.
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