tnDNS is a simple and fast Dynamic Domain Name Service (DynDNS) that makes your home PC visible to the Internet while you have no static IP option with your ISP plan.

Why You have a website running on your home PC.
You would like people on over the world to be able to access it using an easily-remembered web address, such as http://you.dns.tinyray.com

How

Help You need to log-in to sign-up or manage your account.
Please refer this article for more details on tnDNS.