dns2.pacific.net.sg has no MX records.
Question and response
Question
dig dns2.pacific.net.sg. MX
Answer
The response has no answer records.
Authority
pacific.net.sg. 3600 SOA dns1.pacific.net.sg. hostmaster.pacific.net.sg. 2025090900 21600 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0