SYADynamicDNSUpdater
Dynamic DNS Updater - beta - runs as a service on windows 2008+ servers and with .net 4.5
Checks your IP address and notifies you if it has changed
Configurable via app.config file
current IP check url is checkip.mtgsy.net
there is currently no update url provided but there is an emtpy method for you to write your own interface.