EmailValidex
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6 free tools — no signup needed

Email tools that actually work.

Email finder, SMTP tester, MX lookup, bounce classifier, disposable detector, and free vs business checker — all free, no account needed.

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6 TOOLS
Toolkit
Email Finder
Enter a company domain to discover all likely email patterns — ideal for outreach and prospecting.
SMTP Tester
Verify your SMTP credentials and test deliverability before connecting to any email campaign.
MX Lookup & DNS Inspector
Instantly check MX records, SPF, DKIM, DMARC, and A records for any domain.
Bounce Classifier
Paste a bounce message or SMTP error code and get an instant classification with recommended action.
Disposable Email Detector
Bulk check if emails are from throwaway/temporary providers. Paste one per line, up to 100 at a time.
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Free vs Business Email Detector
Paste a list of emails to instantly flag which are free (Gmail, Yahoo, Outlook) vs business domains. Great for B2B lead qualification.
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