52.51.241.54
ec2-52-51-241-54.eu-west-1.compute.amazonaws.com
54.155.63.253
ec2-54-155-63-253.eu-west-1.compute.amazonaws.com
54.171.38.145
ec2-54-171-38-145.eu-west-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.