34.248.192.203
ec2-34-248-192-203.eu-west-1.compute.amazonaws.com
52.16.37.148
ec2-52-16-37-148.eu-west-1.compute.amazonaws.com
54.171.20.251
ec2-54-171-20-251.eu-west-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.