52.211.248.109
ec2-52-211-248-109.eu-west-1.compute.amazonaws.com
52.214.149.254
ec2-52-214-149-254.eu-west-1.compute.amazonaws.com
54.171.73.255
ec2-54-171-73-255.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.