52.210.12.242
ec2-52-210-12-242.eu-west-1.compute.amazonaws.com
54.171.251.106
ec2-54-171-251-106.eu-west-1.compute.amazonaws.com
63.33.11.107
ec2-63-33-11-107.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.