Dns updating software
Many applications on the Internet rely on knowing your IP address.
Yes, there are many clients available on the internet.
If you have already installed all possible Windows updates then you have this patch installed and are secure.
Windows Virtual Private Servers (VPS) with No Control Panel Running Microsoft DNS Windows Dedicated and Virtual Private Servers (VPS) with No Control Panel running BIND Download and install and updated version of Bind from BIND's website.
This is the general process and should work in most cases; however as the server administrator you are responsible for understanding your server configuration and will be responsible to troubleshooting any errors that arise from the above procedure.
DNS-O-Matic provides you a free and easy way to announce your dynamic IP changes to multiple services with a single update.