54.232.227.183
ec2-54-232-227-183.sa-east-1.compute.amazonaws.com
54.94.143.182
ec2-54-94-143-182.sa-east-1.compute.amazonaws.com
54.94.156.145
ec2-54-94-156-145.sa-east-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
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aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
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aspmx.l.google.com.