18.205.138.109
ec2-18-205-138-109.compute-1.amazonaws.com
18.235.51.172
ec2-18-235-51-172.compute-1.amazonaws.com
35.153.233.39
ec2-35-153-233-39.compute-1.amazonaws.com
52.71.212.108
ec2-52-71-212-108.compute-1.amazonaws.com

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