A dynamic DNS script that uses CloudFlare's free DNS and their API
git clone https://github.com/lyoshenka/cloudflare-ddns.git
cd cloudflare-ddns
cp config.php.skel config.php
Edit config.php - enter your CloudFlare credentials and domain details.
./ddns.php
If everythings works, put it in your crontab.
0 * * * * /path/to/cloudflare-ddns/ddns.sh -s
Uncopyrighted. Do whatever you want. I hope this code makes you rich. Spiritually.