mgws236-2.kagoya.net has no MX records.
Question and response
Question
dig mgws236-2.kagoya.net. MX
Answer
The response has no answer records.
Authority
kagoya.net. 600 SOA ns.kagoya.net. root.kagoya.net. 2026030600 3900 300 360000 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0