52.17.57.56
ec2-52-17-57-56.eu-west-1.compute.amazonaws.com
52.209.130.151
ec2-52-209-130-151.eu-west-1.compute.amazonaws.com
52.50.68.102
ec2-52-50-68-102.eu-west-1.compute.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.