ptr83.nosmadeira.net has no MX records.
Question and response
Question
dig ptr83.nosmadeira.net. MX
Answer
The response has no answer records.
Authority
ptr83.nosmadeira.net. 3600 SOA ns1.nosmadeira.com. hostmaster.cabotvm.pt. 2023102500 1200 1200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0