Is Route53 under attack or a customer on Route53? By all appearances the Route53 DDOS mitigation strategy is massive scale and distribution. This includes dist

Is Route53 under attack or a customer on Route53? By all appearances the Route53 DDOS mitigation strategy is massive scale and distribution. This includes distributing customers and their NS records across infrastructure AND TLDs. I would have thought a blanket attack against Route53 impractical..