100.25.85.230
ec2-100-25-85-230.compute-1.amazonaws.com
54.204.102.168
ec2-54-204-102-168.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.