52.49.225.183
ec2-52-49-225-183.eu-west-1.compute.amazonaws.com
54.154.236.77
ec2-54-154-236-77.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.