Sokraschatel links that can change

Yeah, maybe, but on the other hand, nothing prevents me to do it on your own hosting. Understand that there is a question about the purpose of the hammer. And the question turns from "today you are a nail hammered, and tomorrow head someone smashed" :) But still need a hammer for hammering nails.
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Buy hosting and domain no desire. Perhaps there is any free hosting where you can put even .htaccess, and you can bind DynDNS.

Google URL Shortener for your domain
That's just DynDNS-ovsky the domain to connect it will fail because they have a very stripped down admin panel (free version) and Google need to create some sort (And if I'm not mistaken) with a particular record contents to verify ownership of the domain to you.