ExternalDNS is a handy tool in the Kubernetes world, making it easy to coordinate Services and Ingresses with different DNS providers. This tool automates the process, allowing users to manage DNS records dynamically using Kubernetes resources. Instead of being tied to a specific provider, ExternalDNS works seamlessly with various providers. ExternalDNS intelligently determines the desired DNS records, paving the way for effortless DNS management.

In this article, we’ll explore what ExternalDNS is all about and why it’s useful. Focusing on a specific situation — imagine a Kubernetes cluster getting updated and using Route 53 in AWS — we’ll walk you through how ExternalDNS can automatically create DNS records in Route 53 whenever Ingresses are added. Come along for a simplified journey into DNS management and automation with ExternalDNS.

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