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Any registrar worth using has an API for updating DNS entries.
I just found this with a quick search: https://github.com/qdm12/ddns-updater
exactly. I literally have a bash script that calls the API triggered by cron every 30 minutes. That's it. Are people seriously using a freaking docker container for this?
It's easy to set up and also keeps a history
Ah, a history would be nice. I've been thinking of keeping some stats to monitor when the connection goes down, and how often my IP changes.
Fortunately I've kept the same IP since i changed ISPs a few months ago.
Personally I still think docker is overkill for something that can be done with a bash script. But I also use a Pi 4 as my home server, so I need to be a little more scrupulous of CPU and RAM and storage than most :-)
Even if it is docker it’s still a bash script or something in the container right? Or are people referring to the docker CLI directly changing DNS records somehow?
My best guess is the reason to involve docker would be if you already have a cluster of containers as part of the project. Then you can have a container that does nothing but manage the DNS.
I just dump the changes with timestamps to a text file. Notifications for IP changes get sent to matrix after the DNS record is updated.
I would recommend OVH for DNS, they have an API and are on the list for that tool. Also you can use the API to get lets encrypt certificates
Looks good. Thanks!