100.20.197.189
ec2-100-20-197-189.us-west-2.compute.amazonaws.com
34.214.26.20
ec2-34-214-26-20.us-west-2.compute.amazonaws.com
52.39.160.66
ec2-52-39-160-66.us-west-2.compute.amazonaws.com

alt1.aspmx.l.google.com.
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aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.