Technology Apr 18, 2026 · 1 min read

Built a simple DDNS service because existing ones felt too complicated. https://rjuip.com

Hey everyone, I’ve been working a lot with ESP8266 projects and a small home server setup, and kept running into the same annoying issue — my public IP changing and breaking remote access. I tried a few DDNS services, but honestly: some were overcomplicated some had messy configs some didn’t pl...

DE
DEV Community
by Amit Vedante
Built a simple DDNS service because existing ones felt too complicated. https://rjuip.com


Hey everyone,

I’ve been working a lot with ESP8266 projects and a small home server setup, and kept running into the same annoying issue — my public IP changing and breaking remote access.

I tried a few DDNS services, but honestly:

  • some were overcomplicated
  • some had messy configs
  • some didn’t play nicely with simple IoT setups

So I ended up building a lightweight DDNS service for my own use, and recently turned it into something others can try:

👉 https://rjuip.com

It’s intentionally simple:

  • Clean update URL (no weird formats)
  • Works with routers, scripts, ESP8266
  • Fast IP updates
  • Minimal setup (2 minutes)

Example request:
https://rjuip.com/update.php?hostname=yourdomain.rjuip.com&username=youruser&password=yourpass&myip=auto

Right now registrations are paused for a short time (doing some system upgrades), but I’ve added a waitlist.

Would really appreciate feedback from people here — especially if you’re into self-hosting or IoT 🙌

DE
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This article was originally published by DEV Community and written by Amit Vedante.

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