ns1.affinonline.com has no MX records.
Question and response
Question
dig ns1.affinonline.com. MX
Answer
The response has no answer records.
Authority
affinonline.com. 3600 SOA ns1.f5clouddns.com. webmaster.affinbank.com.my. 2016050731 1800 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0