zeus - 11:56 am on Dec 2, 2005 (gmt 0)

A baned site on yahoo, is mostly when you dont get any results when you do a site:http://yourdomain.com or you only se your homepage listed, but as Dayo says sometimes they return in 1-2 days, but many site on yahoo is baned for no reason, they often bane a whole server or IP block.