52.67.226.156
ec2-52-67-226-156.sa-east-1.compute.amazonaws.com
54.232.212.115
ec2-54-232-212-115.sa-east-1.compute.amazonaws.com
54.233.123.118
ec2-54-233-123-118.sa-east-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.