A streamlined Dynamic DNS service that provides free subdomains and automated IP synchronization via a simple HTTP API or Windows client.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install free-ddns
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install free-ddns using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Free DDNS Service?
The Free DDNS skill provides a lightweight and efficient solution for managing dynamic IP addresses, ensuring your local servers and devices remain accessible under a persistent hostname. This tool is designed for developers and home lab enthusiasts who need a reliable way to map their changing public IP to a stable sub-domain under the 1798.cloud zone.
By integrating this as part of your Openclaw Skills library, you can automate the maintenance of network connectivity across various environments. The service utilizes HTTPS encrypted transmission to ensure that your update requests remain secure, making it a robust alternative to complex commercial DNS providers.
Free DDNS Service Use Cases
- Maintaining access to home servers or NAS devices with dynamic residential IP addresses.
- Automating IP updates for remote development environments using CLI tools.
- Configuring routers to self-report IP changes to a central DNS registry.
- Ensuring persistent connectivity for self-hosted applications without manual intervention.
How Free DDNS Service Works
- User registers an account and secures a unique subdomain at the service portal.
- The skill or client captures the current public IP address of the host machine.
- A secure HTTPS GET request is dispatched to the API update endpoint with Basic Authentication.
- The DNS server processes the request and instantly updates the A record for the specified hostname.
- Continuous monitoring via the Windows client or cron jobs ensures any subsequent IP changes are synchronized immediately.
Free DDNS Service Setup
To start using the Free DDNS service within your Openclaw Skills environment, follow these steps:
- Register an account at
[https://ddns.yinze.run/register](https://ddns.yinze.run/register). - For manual or scripted updates, use the following curl command:
curl -u "username:password" "https://ddns.yinze.run/nic/update?hostname=yourname.1798.cloud&myip=1.2.3.4"
- For Windows users, download and install the automated background client to monitor IP changes automatically.
Free DDNS Service Data Schema & Taxonomy
The skill manages connectivity data through a standardized API structure. Below is the primary parameter schema used for DNS updates:
| Parameter | Requirement | Description |
|---|---|---|
hostname |
Required | The full subdomain in the format xxx.1798.cloud. |
myip |
Optional | The IP address to bind. If omitted, the server detects the requester's public IP. |
Auth |
Required | HTTP Basic Authentication using registered credentials. |
All traffic is routed via [https://ddns.yinze.run/nic/update](https://ddns.yinze.run/nic/update) to ensure data integrity.
Free DDNS Service Advanced Features
- Real-time DNS record propagation for immediate accessibility.
- Support for automatic IP detection, removing the need for local IP discovery scripts.
- Cross-platform compatibility including Windows PowerShell, Linux Shell, and Router firmware.
- Secure HTTPS-only API communication to protect user credentials during updates.
SKILL.md
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