52.37.230.14
ec2-52-37-230-14.us-west-2.compute.amazonaws.com
52.42.103.83
ec2-52-42-103-83.us-west-2.compute.amazonaws.com

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