52.5.140.19
ec2-52-5-140-19.compute-1.amazonaws.com
52.71.244.140
ec2-52-71-244-140.compute-1.amazonaws.com
54.157.150.206
ec2-54-157-150-206.compute-1.amazonaws.com

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