aws-production-t2t-alb-ecs-23055940.us-east-1.elb.amazonaws.com.

54.227.207.65
ec2-54-227-207-65.compute-1.amazonaws.com
52.2.218.204
ec2-52-2-218-204.compute-1.amazonaws.com
54.81.102.17
ec2-54-81-102-17.compute-1.amazonaws.com

35.173.101.60
ec2-35-173-101-60.compute-1.amazonaws.com
54.81.102.17
ec2-54-81-102-17.compute-1.amazonaws.com

us-smtp-inbound-1.mimecast.com.
us-smtp-inbound-2.mimecast.com.