this post was submitted on 27 Jul 2024
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Dynamic IP - Self hosting (lemmy.ml)
submitted 5 months ago by [email protected] to c/selfhosted
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Im sure this has been asked before i juat can't find where it has been - Maybe need to work on how to search Lemmy better. But...

Id like to eventually self host some sevices that require external access. While I have IpV6 addresses my IPV4 is dynamic.

Whats the best free way to be able to point some domains/ subdomains I have to my external dynamic IP and keep it updated. Im running OpenWrt on my router. - So possibly should be posting there.

Free Dyndns services seem to be a bit crap. Do I need to pay for a VPS? (seems to defeat the point of self hosting)

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[–] [email protected] 1 points 5 months ago (2 children)

I've been using No-IP free plan for years without issues. Inputted the credentials to my routers DDNS client and then basically forgot about it. Free users need to confirm their account once a month via email but that's just one click.

If your domain registrar happens to have an API to update DNS entries, you could implement DDNS yourself by writing a simple automated script to check the external IP (e.g. via ipify.org) and if it's changed from the last check then call the API to update the DNS entries.

[–] TCB13 2 points 5 months ago (1 children)

No-IP

Don't recommend that. There are plenty of better alternatives such as https://freedns.afraid.org/ and https://www.duckdns.org/ that aren't run by predatory companies that may pull the plug like DynDNS did.

[–] [email protected] 1 points 5 months ago

Sure. I'm not recommending anything, just stating what has worked for me. For simple use cases, I think most of the DDNS services are pretty much the same anyway and it's easy to switch to an another one if one stops working for some reason.

[–] [email protected] 2 points 5 months ago

Yeah been using No-ip free but I worry that one day I will forget to confirm and ill ge cut-off.