52.30.123.178
ec2-52-30-123-178.eu-west-1.compute.amazonaws.com
52.50.114.29
ec2-52-50-114-29.eu-west-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
aspmx5.googlemail.com.
aspmx.l.google.com.