44.199.154.161
ec2-44-199-154-161.compute-1.amazonaws.com
52.73.170.142
ec2-52-73-170-142.compute-1.amazonaws.com
54.225.232.247
ec2-54-225-232-247.compute-1.amazonaws.com

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