If you are trying to make your custom domain published blog work, see my guide Troubleshooting Your Custom Domain Problems.
If you want to know how to setup a custom domain properly, from the beginning - and avoid the need for Troubleshooting - read Setting Up DNS Addresses For Custom Domains. Avoid the most basic mistakes made - read The Simplicity Of A Custom Domain Setup.
If you just setup your custom domain - and want to minimise the effects of the URL change upon your search engine relationships - read Managing The Migration.
If you're just browsing, then read on - but get a good cup of coffee first. And welcome, to Nitecruzr Dot Net.