34.198.140.170
ec2-34-198-140-170.compute-1.amazonaws.com
52.202.242.14
ec2-52-202-242-14.compute-1.amazonaws.com
52.6.129.95
ec2-52-6-129-95.compute-1.amazonaws.com

mail1.ubm-us.net.
us-smtp-inbound-1.mimecast.com.
us-smtp-inbound-2.mimecast.com.