52.17.89.89
ec2-52-17-89-89.eu-west-1.compute.amazonaws.com
54.171.108.57
ec2-54-171-108-57.eu-west-1.compute.amazonaws.com
54.72.245.27
ec2-54-72-245-27.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.