3.122.67.217
ec2-3-122-67-217.eu-central-1.compute.amazonaws.com
52.28.249.122
ec2-52-28-249-122.eu-central-1.compute.amazonaws.com
52.59.16.226
ec2-52-59-16-226.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.