I can't receive email

I can't receive email

Hi,

after setup a new domain, I can send email but I can't receive it.

This is the server response:
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error.

contacto@soux-calvo.com DOMAIN_NOT_RESOLVED, ERROR_CODE :DOMAIN_NOT_RESOLVED

I have hosted this domain in Digital Ocean, with the followin DNS setup:


And the Zoho control panel says that:



What am I doing wrong? Thanks in advance!