54.233.192.34
ec2-54-233-192-34.sa-east-1.compute.amazonaws.com
54.94.205.100
ec2-54-94-205-100.sa-east-1.compute.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.
inbound-smtp.us-east-1.amazonaws.com.
ms68344717.msv1.invalid.