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Email Deliverability Checker

Enter a domain to check SPF, DKIM, and DMARC authentication, MX records, DNSBL status across 20+ blacklists, and an overall deliverability score from 0-100 — with fixes for every failing check.

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Email Deliverability Checker — FAQ

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Related pages

Products and guides connected to this tool.

Email Spam Score Checker

Free email spam score checker. Paste your subject and body to detect spam-trigger words, caps, punctuation, and link ratios that hurt deliverability — with fixes.

/tools/email-spam-checker

SPF, DKIM & DMARC

SPF, DKIM, and DMARC explained: the three DNS standards that authenticate outbound email, protect sender reputation, and prevent spoofing for B2B cold outreach.

/glossary/spf-dkim-dmarc

SPF, DKIM & DMARC Checker

Product

SPF, DKIM & DMARC Checker from LeadsLogix: audit a domain's SPF, DKIM, and DMARC records and explain what each result means — built for senders and admins auditing email authentication.

/products/email-authentication-checker

Cold Email Subject Line Scorer

Free cold email subject line scorer. Check your subject against spam filters, length, personalization, and engagement patterns with alternatives to improve open rates.

/tools/subject-line-scorer

Lead List Quality Grader

Free lead list grader. Upload a CSV to grade email validity, domain health, duplicates, and field completeness with an A-F quality score and improvement steps.

/tools/lead-list-grader

9-Check Deliverability Stack

Platform

Inside the LeadsLogix 9-check deliverability stack: how the platform audit a sending domain across nine deliverability checks and produce one actionable score — built for senders auditing domains before campaigns.

/platform/deliverability-checks

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