34.251.156.152
ec2-34-251-156-152.eu-west-1.compute.amazonaws.com
52.49.52.191
ec2-52-49-52-191.eu-west-1.compute.amazonaws.com
54.247.156.93
ec2-54-247-156-93.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.