Cloudflare owned DNS service faced a Critical issue during the new interaction and goes down for 17 Minutes that lead to 1.1.1 DNS Resolver to be Globally Inaccessible. DDoS Mitigation system launched DDoS on its own infrastructure and no. DDOS attacks was protected while downtime being occurred. Cloud.flare tried to deployed new code that introduced Gatebot to Provision API which is one of the Cloud Flares internal. integration points that helps to figure out. IPs IPs. belongs to one of Cloud.com’s internal integration points.”]
Source: https://gbhackers.com/cloudflare-ddos-mitigation-system/