54.163.185.173
ec2-54-163-185-173.compute-1.amazonaws.com
54.197.144.49
ec2-54-197-144-49.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.