18.208.255.99
ec2-18-208-255-99.compute-1.amazonaws.com
34.226.137.129
ec2-34-226-137-129.compute-1.amazonaws.com
54.227.42.161
ec2-54-227-42-161.compute-1.amazonaws.com

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