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A simple Python CLI tool to bulk update DNS A records in your Cloudflare account, replacing an old IP address with a new one across multiple zones.

• Connects securely to Cloudflare via API Token.
• Auto-paginates through all your zones (domains).
• Filters DNS records by type and current IP value.
• Supports dry-run mode for safe previews.
• Outputs results in human-readable or JSON format.
• Verbose logging for debugging.

• Python 3.7 or newer
• A Cloudflare API Token with permissions:
  • Zone:Read
  • DNS:Edit
• pip to install dependencies

curl -X GET "https://api.cloudflare.com/client/v4/user/tokens/verify" \     -H "Authorization: Bearer WRxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" \     -H "Content-Type:application/json"

1. Clone this repository:

   git clone https://github.com/BaseMax/cloudflare-dns-ip-migrator.gitcd cloudflare-dns-ip-migrator

2. Install required packages:

   pip install -r requirements.txt

3. Ensure your API token is set in the environment:

   export CF_API_TOKEN="your_cloudflare_api_token"

The main script iscloudflare_dns_migrator.py. Run it with the following options:

python cloudflare_dns_migrator.py\   --old-ip 65.21.1.28\   --new-ip 95.217.195.92\   --type A\# DNS record type (default: A)  --zone example.com\# (Optional) Limit to specific zones  --dry-run\# (Optional) Preview changes without applying  --verbose\# (Optional) Enable debug logging  --json# (Optional) Output results as JSON

• Dry run replacing A records across all zones:

  python cloudflare_dns_migrator.py --old-ip 1.2.3.4 --new-ip 5.6.7.8 --dry-run

• Update only inexample.com andtest.org:

  python cloudflare_dns_migrator.py \  --old-ip 1.2.3.4 \  --new-ip 5.6.7.8 \  --zone example.com \  --zone test.org

• Verbose JSON output:

  python cloudflare_dns_migrator.py \  --old-ip 1.2.3.4 --new-ip 5.6.7.8 \  --verbose --json

Contributions, issues, and feature requests are welcome! Feel free to:

• Open an issue to report bugs or request features.
• Fork the repository and submit a pull request.

Please adhere to the existing code style and write clear commit messages.

This project is licensed under the MIT License

© 2025 Max Base.