Free Email Deliverability Tools
All the tools you need to diagnose and fix email deliverability issues.
100% free, no registration required.
SPF Record Checker
Validate your SPF configuration, check DNS lookup limits, and analyze mechanisms.
DNS lookup countMechanism analysisInclude sources
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DKIM Record Checker
Lookup and validate DKIM signatures, check key length, and verify selectors.
Auto-detect selectorsKey length checkSignature validation
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DMARC Record Checker
Analyze your DMARC policy, check alignment settings, and review reporting configuration.
Policy analysisReporting checkAlignment validation
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Email Blacklist Checker
Scan your domain and IP against 50+ major blacklists including Spamhaus and SpamCop.
50+ blacklistsInstant resultsDelisting guidance
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Want to Check Everything at Once?
Our comprehensive email deliverability checker runs all tests in one scan and gives you a complete health report for your domain.
Full Domain Check