52.48.185.144
ec2-52-48-185-144.eu-west-1.compute.amazonaws.com
52.49.56.99
ec2-52-49-56-99.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.