3.214.20.198
ec2-3-214-20-198.compute-1.amazonaws.com
54.158.140.154
ec2-54-158-140-154.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.