52.17.204.113
ec2-52-17-204-113.eu-west-1.compute.amazonaws.com
79.125.87.244
ec2-79-125-87-244.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.