AWS outage post-mortem fingers DNS as the culprit that took out a chunk of the internet and services for days — automation systems race and crash

https://www.tomshardware.com/tech-industry/big-tech/massive-amazon-web-service-outage-that-took-out-a-chunk-of-the-internet-and-services-for-days-was-due-to-dns-automation-systems-race-and-crash