3.126.100.205
ec2-3-126-100-205.eu-central-1.compute.amazonaws.com
52.29.161.45
ec2-52-29-161-45.eu-central-1.compute.amazonaws.com
52.59.22.189
ec2-52-59-22-189.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.