3.227.33.63
ec2-3-227-33-63.compute-1.amazonaws.com
34.227.137.247
ec2-34-227-137-247.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.