52.208.33.102
ec2-52-208-33-102.eu-west-1.compute.amazonaws.com
54.154.24.117
ec2-54-154-24-117.eu-west-1.compute.amazonaws.com
54.77.221.41
ec2-54-77-221-41.eu-west-1.compute.amazonaws.com

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