smtp.ftcz.net has no MX records.
Question and response
Question
dig smtp.ftcz.net. MX
Answer
The response has no answer records.
Authority
ftcz.net. 3600 SOA ns.forpsi.net. admin.forpsi.com. 2026022302 14400 3600 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0