18.194.191.240
ec2-18-194-191-240.eu-central-1.compute.amazonaws.com
3.72.237.107
ec2-3-72-237-107.eu-central-1.compute.amazonaws.com
3.79.212.136
ec2-3-79-212-136.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.
inbound-smtp.us-east-1.amazonaws.com.