18.134.18.50
ec2-18-134-18-50.eu-west-2.compute.amazonaws.com
18.170.190.226
ec2-18-170-190-226.eu-west-2.compute.amazonaws.com
18.170.249.28
ec2-18-170-249-28.eu-west-2.compute.amazonaws.com

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