3.122.44.132
ec2-3-122-44-132.eu-central-1.compute.amazonaws.com
35.158.146.91
ec2-35-158-146-91.eu-central-1.compute.amazonaws.com
52.57.247.70
ec2-52-57-247-70.eu-central-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
aspmx2.googlemail.com.
aspmx3.googlemail.com.
aspmx.l.google.com.