18.210.73.147
ec2-18-210-73-147.compute-1.amazonaws.com
34.196.201.123
ec2-34-196-201-123.compute-1.amazonaws.com
34.199.155.165
ec2-34-199-155-165.compute-1.amazonaws.com
34.226.91.122
ec2-34-226-91-122.compute-1.amazonaws.com
44.195.73.235
ec2-44-195-73-235.compute-1.amazonaws.com
50.17.76.213
ec2-50-17-76-213.compute-1.amazonaws.com
52.73.121.101
ec2-52-73-121-101.compute-1.amazonaws.com
54.197.50.14
ec2-54-197-50-14.compute-1.amazonaws.com

espn.mailsec1.batblue.net.
espn.mailsec2.batblue.net.
espn.mailsec3.batblue.net.