35.175.76.30
ec2-35-175-76-30.compute-1.amazonaws.com
52.0.214.225
ec2-52-0-214-225.compute-1.amazonaws.com
52.204.255.59
ec2-52-204-255-59.compute-1.amazonaws.com
54.88.145.134
ec2-54-88-145-134.compute-1.amazonaws.com

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