177.71.229.239
ec2-177-71-229-239.sa-east-1.compute.amazonaws.com
54.94.113.132
ec2-54-94-113-132.sa-east-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.