52.215.106.220
ec2-52-215-106-220.eu-west-1.compute.amazonaws.com
52.30.48.18
ec2-52-30-48-18.eu-west-1.compute.amazonaws.com
52.50.0.168
ec2-52-50-0-168.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.