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Kaan Barmore-Genç 1 month ago
parent 094d9faad8
commit 95a12710a4
Signed by: kaan
GPG Key ID: B2E280771CD62FCF

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{
"cSpell.words": [
"Actix"
]
"cSpell.words": ["Actix", "Gandi"]
}

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---
title: "Hosting websites without a static IP with Gandi LiveDNS"
date: 2022-12-29T18:11:42-05:00
toc: false
images:
tags:
- web
- homelab
---
I've been hosting this website at home now for a few years. My ISP doesn't offer
a static IP address however, which means my IP address occasionally changes.
This is sort of a dealbreaker, because your domain will be left pointing to the
wrong address whenever your IP address changes.
Luckily you can solve this by using a dynamic DNS solution, like DynDNS, but these
can be pretty pricy.
Which is why I was very excited when I saw [gandi.net](https://www.gandi.net/)
has a system they call "LiveDNS" which allows you to update the IP address your
domain points to very quickly. Their website advertises that updates are
propagated in under 250ms which is amazing. Although other DNS servers may cache
results and not update for significantly longer, that's not a massive issue for
me. My IP address doesn't change that often, and my personal blog having a short
downtime is not a big deal.
Gandi provides this service at no additional cost, all you need to do is to
register your domain with them (or transfer it over). I've been using them for
years and have had great service, and the LiveDNS is the cherry on top.
## Updating your IP
Unlike some other dynamic DNS providers, Gandi does not provide a program that
you can use to update your IP address. But being an open API, there are many
programs and scripts you can use to update your IP. One of these is a program I
made, [gandi-live-dns-rust](https://github.com/SeriousBug/gandi-live-dns-rust).
After installing `gandi-live-dns` on my home server (I used the ArchLinux
package, but there are other options available), I copied over the
[example configuration](https://github.com/SeriousBug/gandi-live-dns-rust/blob/master/example.toml)
in the repository. I just added my domain, obtained an API key and set it up,
then I just added the subdomains I want.
```
fqdn = "bgenc.net"
api_key = "key goes here"
[[entry]]
name = "@"
types = ["A"]
[[entry]]
name = "gitea"
types = ["A"]
[[entry]]
fqdn = "kaangenc.me"
name = "@"
types = ["A"]
```
The configuration file is a bit trimmed, but it shows the gist of everything.
I'm updating `bgenc.net`, along with `gitea.bgenc.net`. I also update
`kaangenc.me`, which is an old domain I was using.
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