52.54.134.116
ec2-52-54-134-116.compute-1.amazonaws.com
52.55.70.243
ec2-52-55-70-243.compute-1.amazonaws.com
54.166.134.30
ec2-54-166-134-30.compute-1.amazonaws.com

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