18.138.138.185
ec2-18-138-138-185.ap-southeast-1.compute.amazonaws.com
46.51.219.218
ec2-46-51-219-218.ap-southeast-1.compute.amazonaws.com
54.169.222.232
ec2-54-169-222-232.ap-southeast-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.