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DNS-NO-MX

No MX records

What it means

Without MX records, mail is delivered to the A record of the domain. If nothing there speaks SMTP, mail bounces. If the domain never receives mail, say so explicitly.

How to fix it

  1. 1Add MX records for your mail provider.
  2. 2For a no-mail domain publish a null MX: "MX 0 ." plus SPF "v=spf1 -all".

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.