34.202.105.10
ec2-34-202-105-10.compute-1.amazonaws.com
34.204.219.83
ec2-34-204-219-83.compute-1.amazonaws.com
44.199.74.220
ec2-44-199-74-220.compute-1.amazonaws.com

inbound-smtp.us-east-1.amazonaws.com.

34.202.105.10
ec2-34-202-105-10.compute-1.amazonaws.com
34.204.219.83
ec2-34-204-219-83.compute-1.amazonaws.com
44.199.74.220
ec2-44-199-74-220.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.