Free email tools
Email validation and domain health tools.
Check individual emails, inspect domain infrastructure, review authentication records, and clean risky list data before sending outreach.
Free tools
Email infrastructure utilities
MX Lookup
Inspect MX records and detect email providers.
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SPF Checker
Validate SPF records and sender policies.
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DMARC Checker
Review DMARC protection and enforcement.
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Header Analyzer
Analyze SPF, DKIM, and DMARC headers.
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Domain Health
Check MX, SPF, DMARC, and provider signals.
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Catch-All Risk
Understand catch-all domain risk before outreach.
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Disposable Email
Flag temporary and disposable email domains.
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