44.241.137.138
ec2-44-241-137-138.us-west-2.compute.amazonaws.com
52.24.255.104
ec2-52-24-255-104.us-west-2.compute.amazonaws.com
54.201.244.133
ec2-54-201-244-133.us-west-2.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
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aspmx.l.google.com.