I am wanting to turn my old raspberry pi into an external DNS server and host my domains DNS settings. I have a dynamic IP and would like to update my external DNS record with the IP as it changes. Has anyone done something like this? I have read a few links with some good info but figured I would ask. My first thought of doing this isn’t very elegant. It would be a standard External dns server with an email client that runs a script to replace the records IP with the IP that was sent to the client.
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