Free tools

Deliverability, diagnosed in seconds.

Inbox placement starts with clean DNS. Run these free checks on any domain — no signup. When you’re ready to send at scale without babysitting reputation, CogniLead runs the rest.

SPF checker

DNS

Look up and grade your SPF record — policy strength, multiple-record errors, and DNS-lookup limits.

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DMARC checker

DNS

Check your DMARC policy, enforcement level, and reporting — the records Gmail and Yahoo now require for bulk senders.

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