52.211.79.224
ec2-52-211-79-224.eu-west-1.compute.amazonaws.com
52.213.214.140
ec2-52-213-214-140.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.