K3can

That's called dynamic DNS (it's the dd in ddclient).

I selfhost my blog without a static IP. You just need Dynamic DNS.

Keep in mind that your outbound bandwidth might be different from your inbound. I get 300mbps in, but only 5mbps out. It's not noticeable during normal Internet use, but as you start sharing content publicly, limited bandwidth becomes really noticeable.

Using them here to run everything. My whole *arr stack is running in a Quadlet pod. Really convenient, especially the auto update and rollbacks.