mail.eu.xtremepush.com.

52.212.21.7
ec2-52-212-21-7.eu-west-1.compute.amazonaws.com
34.248.205.164
ec2-34-248-205-164.eu-west-1.compute.amazonaws.com
52.211.254.196
ec2-52-211-254-196.eu-west-1.compute.amazonaws.com

mail.eu.xtremepush.com.
production-mail-servers-79895199.eu-west-1.elb.amazonaws.com.