54.72.221.50
ec2-54-72-221-50.eu-west-1.compute.amazonaws.com
63.35.136.185
ec2-63-35-136-185.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.