52.211.235.182
ec2-52-211-235-182.eu-west-1.compute.amazonaws.com
52.214.225.108
ec2-52-214-225-108.eu-west-1.compute.amazonaws.com
54.77.47.232
ec2-54-77-47-232.eu-west-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
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aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx4.googlemail.com.
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aspmx.l.google.com.