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Updated README

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Dynamic_DNS/Dynamic_DNS_Cloudflare/README.md
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# 🔁 Dynamic DNS Updater for Cloudflare with Mullvad IP # Dynamic DNS Updater for Cloudflare with Mullvad IP
This script updates A records in Cloudflare with your current public IP as reported by [Mullvad](https://mullvad.net)'s IP check service. It supports: This script updates A records in Cloudflare with your current public IP as reported by [Mullvad](https://mullvad.net)'s IP check service. It supports:
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## 🚀 Features ## Features
- ✅ Fetches current public IP from Mullvad API (`https://ipv4.am.i.mullvad.net/json`) - Fetches current public IP from Mullvad API (`https://ipv4.am.i.mullvad.net/json`)
- ✅ Uses `.env` files to manage multiple Cloudflare DNS records - Uses `.env` files to manage multiple Cloudflare DNS records
- ✅ Supports **API Tokens** (safer than global keys) - Supports **API Tokens** (safer than global keys)
- ✅ Skips unnecessary updates if IP hasn't changed - Skips unnecessary updates if IP hasn't changed
- ✅ Logs every run to `logs/update_YYYY-MM-DD.log` - Logs every run to `logs/update_YYYY-MM-DD.log`
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## 📁 Project Structure ## Project Structure
``` ```
. .
├── update_cloudflare_ip.sh # Main script ├── update_cloudflare_ip.sh # Main script
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## ⚙️ Configuration ## Configuration
1. Create a `zones/` folder (already included in repo). 1. Create a `zones/` folder (already included in repo).
2. Add one `.env` file per domain/zone, named descriptively. Example: 2. Add one `.env` file per domain/zone, named descriptively. Example:
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## ✅ Use Cloudflare API Tokens with permission: ## Use Cloudflare API Tokens with permission:
Zone → DNS → Edit for the required zone. Zone → DNS → Edit for the required zone.
🧪 Usage Usage
Make the script executable: Make the script executable:
``` ```
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## 🕒 Automation (Cron Example) ## Automation (Cron Example)
To run the script every 10 minutes, edit your crontab: To run the script every 10 minutes, edit your crontab:
``` ```
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## ✅ Requirements ## Requirements
* bash (scripted for Linux/macOS) * bash (scripted for Linux/macOS)
* curl * curl
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## 🔐 Security Tip ## Security Tip
Never share your .env files or commit them to public repositories. They contain sensitive credentials. Never share your .env files or commit them to public repositories. They contain sensitive credentials.
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## 🙋 FAQ ## FAQ
Q: What happens if the IP hasn't changed? Q: What happens if the IP hasn't changed?
A: The script detects it and skips the update. A: The script detects it and skips the update.