54.173.89.224
ec2-54-173-89-224.compute-1.amazonaws.com
54.197.192.119
ec2-54-197-192-119.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.