52.3.214.7
ec2-52-3-214-7.compute-1.amazonaws.com
52.70.228.79
ec2-52-70-228-79.compute-1.amazonaws.com
54.174.76.104
ec2-54-174-76-104.compute-1.amazonaws.com

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