52.203.23.178
ec2-52-203-23-178.compute-1.amazonaws.com
52.5.252.216
ec2-52-5-252-216.compute-1.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.