13.251.85.234
ec2-13-251-85-234.ap-southeast-1.compute.amazonaws.com
18.136.80.25
ec2-18-136-80-25.ap-southeast-1.compute.amazonaws.com
18.140.112.71
ec2-18-140-112-71.ap-southeast-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
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alt4.aspmx.l.google.com.
aspmx.l.google.com.