3.224.199.135
ec2-3-224-199-135.compute-1.amazonaws.com
34.199.64.141
ec2-34-199-64-141.compute-1.amazonaws.com
52.204.174.146
ec2-52-204-174-146.compute-1.amazonaws.com
54.208.80.221
ec2-54-208-80-221.compute-1.amazonaws.com

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