external-dns
Comprehensive guide for configuring, troubleshooting, and implementing External-DNS across Azure DNS, AWS Route53, Cloudflare, and Google Cloud DNS. Use when implementing automatic DNS management in Kubernetes, configuring provider-specific authentication (managed identities, IRSA, API tokens), troubleshooting DNS synchronization issues, setting up secure production-grade external-dns deployments, optimizing performance, avoiding rate limits, or implementing GitOps patterns with ArgoCD.
