API that checks a domain’s email DNS records (SPF, DKIM, DMARC and MX) and returns a JSON report with fixes and raw records. CORS-enabled and usable from browsers or servers with no sign-up required.
Build email-setup helpers, admin dashboards, or CI checks that verify DNS records for sending domains. You can show actionable tips to fix SPF, DMARC and DKIM problems or embed the free widget on a site. The API returns ready-to-use JSON and works from browsers or servers with no signup. Note the 30 checks/hour per IP limit when planning polling or bulk checks.
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