174.129.164.101
ec2-174-129-164-101.compute-1.amazonaws.com
52.205.25.193
ec2-52-205-25-193.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.