3.120.253.91
ec2-3-120-253-91.eu-central-1.compute.amazonaws.com
3.121.49.99
ec2-3-121-49-99.eu-central-1.compute.amazonaws.com
35.158.86.155
ec2-35-158-86-155.eu-central-1.compute.amazonaws.com

alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.