Free Security Tool

DNS & MX Health Checker

Analyze A, AAAA, MX, NS, TXT, SPF, and DMARC records with one request and spot missing records quickly.

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Validate the records that control email routing, sender trust, and domain resolution before they cause delivery or verification issues.

Missing MX, SPF, or DMARC records can break inbox placement and make your domain harder to trust.

Inspect the current record values directly and confirm what is live before troubleshooting propagation or provider issues.

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