Sender Policy Framework Check

     Give the domain name as used for email addresses

MX Email reception

     No MX specified

Sender Policy Framework

SPF (Sender Policy Framework) is an email authentication method designed to detect forging sender addresses during the delivery of the email. With SPF, there is an exhaustive list defined of the server IP addresses that are allowed to send emails for @domain.com addresses.
     No SPF specified (no TXT records for this domain)

Examples

SPF: @amazon.com
SPF: @apple.com
SPF: @azure.com
SPF: @facebook.com
SPF: @gmail.com
SPF: @google.com
SPF: @googlemail.com
SPF: @icloud.com
SPF: @instagram.com
SPF: @microsoft.com
SPF: @nytimes.com

References

Sender Policy Framework
Open-SPF