Google Admin Toolbox Check MX

Google Admin Toolbox
Domain name

error yourdomain.com

There were some critical problems detected with this domain. Mail-flow is probably affected. Please refer to the corresponding help articles to fix these.
error
MTA-STS DNS Record.
The MTA-STS TXT record must comply with RFC8461
MTA STS is malformed.
error
SPF must allow Google servers to send mail on behalf of your domain.
help_outline
Help center article
DecisionSPF fail - not authorized
Recordv=spf1 -all
warning
DKIM is not set up.
help_outline
Help center article
warning
DMARC is not set up.
help_outline
Help center article
warning
No Google mail exchangers found. Relayhost configuration?
help_outline
Help center article
If you intentionally set up a mail server somewhere on your premises that automatically forwards all incoming mail to Google you may disregard this warning. Otherwise - this is a serious configuration error as it causes disruption of mail flow.
0localhost
done
Domain should have at least 2 NS servers.
done
Naked domain must be an A record (not CNAME).
done
Every name server must reply with exactly the same TXT DKIM records.
done
Every name server must reply with exactly the same TXT DMARC records.
done
Every name server must reply with exactly the same TXT MTA-STS record.
done
Every name server must reply with exactly the same CNAME records.
done
Every name server must reply with exactly the same NS records.
done
Every name server must reply with exactly the same MX records.
done
Every name server must reply with exactly the same TXT records.

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