52.213.30.10
ec2-52-213-30-10.eu-west-1.compute.amazonaws.com
54.194.187.252
ec2-54-194-187-252.eu-west-1.compute.amazonaws.com
63.33.72.108
ec2-63-33-72-108.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.