23.20.96.105
ec2-23-20-96-105.compute-1.amazonaws.com
44.196.155.205
ec2-44-196-155-205.compute-1.amazonaws.com
54.227.23.94
ec2-54-227-23-94.compute-1.amazonaws.com

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