store.pneumax.co.th has no MX records.
Question and response
Question
dig store.pneumax.co.th. MX
Answer
The response has no answer records.
Authority
pneumax.co.th. 300 SOA ns2.ksc.net. admin.ns.ksc.co.th. 103 10800 3600 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0