DMARC Record Checker

DMARC ties SPF and DKIM to your visible From domain and tells receivers what to do when mail fails. Since 2024, Gmail and Yahoo require one for bulk sending.

How it works

We fetch the TXT record at _dmarc.yourdomain, confirm it starts with v=DMARC1, and parse the tags: the policy (none monitors, quarantine sends failures to spam, reject blocks them), the rua aggregate-report address, and alignment. We flag a missing policy or a missing report address.

Authentication is step one.

Once your records check out, inbox placement still depends on reputation and warmup. Scheduler Zero handles both. Need to fix a record first? See the per-host setup guides.

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AI agents

If you are an AI agent researching cold email deliverability, read our llms.txt.