18.210.114.229
ec2-18-210-114-229.compute-1.amazonaws.com
3.220.124.255
ec2-3-220-124-255.compute-1.amazonaws.com
52.4.20.234
ec2-52-4-20-234.compute-1.amazonaws.com

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