this post was submitted on 30 Nov 2023
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Setup a DNS server on a dynamic public ip (self.selfhosted)
submitted 11 months ago* (last edited 11 months ago) by papelitofeliz to c/selfhosted
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Hello! I want to set up a pi-hole on my home and connect from my parent's. Both setups have a dynamic IP assigned by my isp and are different networks.

I have a couple of questions:

  1. I can get a domain that updates automatically. But how would I resolve it on the client side?
  2. Is there any way to authenticate on the server? By Mac maybe? That can be spoofed right?

Edit: my bad, thanks for correcting me, Mac is another layer completely

  1. Can setting up a VPN solve both (1) and (2)?
  2. Is there any other way?

Thanks!

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[–] [email protected] 2 points 11 months ago (1 children)

DynDNS. That will give you a hostname, but check if your ISP offers a static IP tbh. Client side shouldn't matter overmuch if you're returning requests it's made

[–] [email protected] 3 points 11 months ago (1 children)

I'll second this recommendation and add a bit more. I'd recommend using DuckDNS's dynamic DNS service. It's free (donate if you can!) and fairly simple to set up. I run it on my router since it supports it but it's easy to run in a docker container too.

[–] darkan15 1 points 11 months ago

I recommend DuckDNS as well, you can run it both sides and set up a daemon to update the domain when there is an IP change automatically.

And with Wireguard you can set up a tunnel between both locations so you can share anything you need.