34.236.4.140
ec2-34-236-4-140.compute-1.amazonaws.com
52.1.136.253
ec2-52-1-136-253.compute-1.amazonaws.com
52.87.35.76
ec2-52-87-35-76.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
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aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.