44.233.203.149
ec2-44-233-203-149.us-west-2.compute.amazonaws.com
52.88.183.144
ec2-52-88-183-144.us-west-2.compute.amazonaws.com

alt1.aspmx.l.google.com.
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aspmx2.googlemail.com.
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aspmx5.googlemail.com.
aspmx.l.google.com.