host17.secure64.com has no MX records.
Question and response
Question
dig host17.secure64.com. MX
Answer
The response has no answer records.
Authority
secure64.com. 600 SOA rataro.secure64.com. hostmaster.secure64.com. 2023111945 14400 3600 1209600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0