3.121.13.130
ec2-3-121-13-130.eu-central-1.compute.amazonaws.com
52.28.205.248
ec2-52-28-205-248.eu-central-1.compute.amazonaws.com
52.29.242.76
ec2-52-29-242-76.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.