Cloudflare DNS Updater

NodeJS Script for updating CloudFlare DNS record of servers with dynamic IP.

Dependencies

• axios
• public-ip

Usage

Setup

$ git clone git@github.com:chihimng/cloudflare-dns-updater.git
$ cd cloudflare-dns-updater
$ npm install

Configuration

Fill in your hostname and api key in config.json Generate an api key at API Tokens Page, select Zone DNS Edit permission

Sample JSON

{
  "hostname": "homelab.example.com",
  "bearerToken": "..."
}

In legacy versions we used the global api key to authenticate with Cloudflare API, see the legacy sample here

Run

$ node index.js

Schedule auto updates

You may use crontab to schedule updates: (every 15 minutes in sample below)

*/15 * * * * /usr/local/bin/node /path/to/repo/index.js