52.19.162.234
ec2-52-19-162-234.eu-west-1.compute.amazonaws.com
52.48.227.166
ec2-52-48-227-166.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.