233.forpsi.net has no MX records.
Question and response
Question
dig 233.forpsi.net. MX
Answer
The response has no answer records.
Authority
233.forpsi.net. 3600 SOA ns.forpsi.net. admin.forpsi.net. 2025051301 3600 1800 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0