52.21.88.92
ec2-52-21-88-92.compute-1.amazonaws.com
52.54.87.185
ec2-52-54-87-185.compute-1.amazonaws.com
54.162.187.14
ec2-54-162-187-14.compute-1.amazonaws.com

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