Major DNSSEC Outages and Validation Failures
https://ianix.com/pub/dnssec-outages.html
DNS | DNSSEC | DatasetThe website collects major outages caused by broken DNSSEC deployments in the wild. It tracks root and TLD errors and some selected websites. Each outage is timestamped and has some description about the problem. The entries contain information from the VeriSign DNSSEC debugger and DNSViz.