smtp40.com MX records

MX Mail server
5m
mail.smtp40.com 10 Primary

Question and response

Question

dig smtp40.com. MX

Answer

smtp40.com. 300 MX 10 mail.smtp40.com.

Authority

The response has no authority records.

Additional

mail.smtp40.com. 300 A 208.89.51.223 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0