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DMARC-MISSING

No DMARC record

What it means

DMARC tells receivers what to do when SPF and DKIM fail and sends you reports about who is sending as your domain. Google, Yahoo and Microsoft require it for bulk senders.

How to fix it

  1. 1Publish _dmarc.yourdomain TXT "v=DMARC1; p=none; rua=mailto:dmarc-reports@yourdomain".
  2. 2Review the reports for a few weeks and fix legitimate senders that fail alignment.
  3. 3Move to p=quarantine, then p=reject.

Re-check after the change

DNS changes can take up to the record's TTL to be seen; use Re-run on the result page to bypass our 10-minute cache.