I deal with the following problem. I am customer of one domain reseller, which has fair prices, fine administration, and I have all my domains registered by it. Recently I've created a new webpage using a free web service (those sites where you can create a simple webpages with some template after few clicks). This new web page has default address in the following form: "pagename.provider.cz", but I want to use my own domain "pagename.cz". And that is the problem, because the provider would assign domain name to my presentation only if I registered mentioned domain by him. That wouldn't be a problem, but he is three times more expensive then my favorite one.
So I am thinking about registering domain "pagename.cz" under my favorite registrator and then making 301 PHP redirect from it to "pagename.provider.cz". Shall this affect (negatively) my domain ranking? Are there any catches which I shoud care about?