my.cam MX records

MX Mail server
1d
mail.my.cam 0 Primary

Question and response

Question

dig my.cam. MX

Answer

my.cam. 86400 MX 0 mail.my.cam.

Authority

The response has no authority records.

Additional

mail.my.cam. 86400 A 91.208.175.142 . 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0