3.124.84.39
ec2-3-124-84-39.eu-central-1.compute.amazonaws.com
35.156.112.254
ec2-35-156-112-254.eu-central-1.compute.amazonaws.com
35.156.215.248
ec2-35-156-215-248.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.