MX-NULL
Null MX: the domain accepts no mail
What it means
A single MX of "." with preference 0 tells senders the domain does not receive email. Correct for domains used only for web or for parked names.
How to fix it
- 1If the domain should receive mail, replace the null MX with real MX records.
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.