3.228.239.193
ec2-3-228-239-193.compute-1.amazonaws.com
52.20.155.124
ec2-52-20-155-124.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.