18.231.19.47
ec2-18-231-19-47.sa-east-1.compute.amazonaws.com
52.67.176.133
ec2-52-67-176-133.sa-east-1.compute.amazonaws.com
54.94.56.47
ec2-54-94-56-47.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.