3.220.117.53
ec2-3-220-117-53.compute-1.amazonaws.com
3.92.111.103
ec2-3-92-111-103.compute-1.amazonaws.com
54.174.66.20
ec2-54-174-66-20.compute-1.amazonaws.com

mail2-1.sertran.cl.
mail2-2.sertran.cl.
mail2-3.sertran.cl.
mail2-4.sertran.cl.