static.m1net.com.sg has no MX records.
Question and response
Question
dig static.m1net.com.sg. MX
Answer
The response has no answer records.
Authority
static.m1net.com.sg. 28800 SOA pridns.m1net.com.sg. please_set_email.absolutely.nowhere. 4 10800 3600 2419200 604800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0