Kubernetes Home – what do you do if your ISP changes your IP addresses?

Re:Kubernetes Home – what do you do if your ISP changes your... by davkan on Tuesday March 11, 2025 @07:38PM (#43338326)

I have one A record for my home ip address. This is dynamically updated by my router whenever the public IP address changes. Everything else is a CNAME pointing at the A record. Completely set and forget and supported by most of the shelf consumer routers or router OS like vyos.

This is a much preferable solution to me as there are no changes to external-dns resources when the public IP changes. Granted, i don’t run a dual stack setup.

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Re:Kubernetes Home – what do you do if your ISP changes your... by vegarde on Monday March 17, 2025 @05:11AM (#43386497)

I run dual-stack.

I used to run a dynamic DNS service, but these days I prefer to do it myself towards the API of my DNS provider. External-DNS in k8s is pretty neat that way.

Changing the K8s resources automatically is not really a big deal. It's a fun exercise.

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