34.217.199.20
ec2-34-217-199-20.us-west-2.compute.amazonaws.com
44.236.204.131
ec2-44-236-204-131.us-west-2.compute.amazonaws.com
52.32.8.213
ec2-52-32-8-213.us-west-2.compute.amazonaws.com

mailstore1.secureserver.net.
smtp.secureserver.net.