34.252.35.43
ec2-34-252-35-43.eu-west-1.compute.amazonaws.com
52.51.34.255
ec2-52-51-34-255.eu-west-1.compute.amazonaws.com
99.81.109.129
ec2-99-81-109-129.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.