CloudFlare DNS Updater

version v1

DNS records updater for use with CloudFlare. Written in Python using CloudFlare API v4.

I made this mainly to update my domain DNS A record daily.

Prerequisite

• Python 3.5+
• Python modules:
  • simplejson
  • style
  • requests

To install python required modules :

pip3 install -r requirements.txt

Installing

This script can be run from terminal, no install required.

API Keys will be saved in api_data.json

Logs will be saved in cf.log

Configuration

1. Run first_time.py

python3 first_time.py

2. Enter your details :

• CloudFlare email
• Globle API key

API Key: The API key given by CloudFlare at the bottom of your "My Account" page

3. Select domain and dns record to update.

Domain: The root domain name you wish to update (example.com).

Email: The email address associated with your CloudFlare account.

Schedule update

Once you have verified the application is updating your records as intended, you may schedule it to run at regular time intervals. Add updater.py to your schedule tasks software.

Example: In linux I use crontab to check and update server ip every day at 12:30 a.m:

29 0 * * * /usr/bin/python3 /path/to/updater.py

Todo list

• Add more detailed error messages
• Filter DNS records to just records accept ip as value

External Resources

Cloudflare API documentation