18.184.192.40
ec2-18-184-192-40.eu-central-1.compute.amazonaws.com
3.123.241.186
ec2-3-123-241-186.eu-central-1.compute.amazonaws.com
3.124.250.175
ec2-3-124-250-175.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.