18.214.208.254
ec2-18-214-208-254.compute-1.amazonaws.com
54.160.57.212
ec2-54-160-57-212.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.