Check out the Nettica DNS Manager for the Yahoo! Konfabulator 2.1.
Konfabulator is a cross-platform Widget maker for OS X and Windows. The Nettica DNS Manager widget is our first OS X dynamic DNS update client.
You can download the widget from here:
http://www.widgetgallery.com/view.php?widget=37010
If you have any questions, comments, or problems, please contact support and we'll be glad to answer any questions you have!
TEAM NETTICA