mx.emax.net.tw has no MX records.
Question and response
Question
dig mx.emax.net.tw. MX
Answer
The response has no answer records.
Authority
emax.net.tw. 3600 SOA emax.net.tw. root.emax.net.tw. 2024041731 28800 14400 3600000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0