52.13.66.101
ec2-52-13-66-101.us-west-2.compute.amazonaws.com
52.37.95.50
ec2-52-37-95-50.us-west-2.compute.amazonaws.com
54.244.32.223
ec2-54-244-32-223.us-west-2.compute.amazonaws.com
54.68.156.165
ec2-54-68-156-165.us-west-2.compute.amazonaws.com

2620:12a:8000::3
2620:12a:8001::3

mx1.hc5134-25.iphmx.com.
mx2.hc5134-25.iphmx.com.