I have type my domain in google but I couldn't find my domain in those results, is my domain has been banned by google? But it has page rank...
you should search in google like: site:domain.com if you get ur site its not ban if site is not dere, dn may be site got ban hammer from google...
if banned than register ur account AT GOOGLE WEBMASTER and add that domain.Google will send u a message about whats wrong with that domain. read more on this here