100.24.196.123
ec2-100-24-196-123.compute-1.amazonaws.com
3.212.100.164
ec2-3-212-100-164.compute-1.amazonaws.com
3.219.37.48
ec2-3-219-37-48.compute-1.amazonaws.com
3.229.199.177
ec2-3-229-199-177.compute-1.amazonaws.com
44.213.191.217
ec2-44-213-191-217.compute-1.amazonaws.com

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