34.242.54.4
ec2-34-242-54-4.eu-west-1.compute.amazonaws.com
52.209.100.99
ec2-52-209-100-99.eu-west-1.compute.amazonaws.com
52.31.12.12
ec2-52-31-12-12.eu-west-1.compute.amazonaws.com

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