If you see “NOT ALLOWED” then you have entered a site that is banned. If you see that banned site around peachy it’s because they were posted there before the ban took effect. When we ban a site, it only prevents anyone from posting it in the future, and does not remove or ban previously posted links.
PS, please do not try to manipulate a link to a banned site by adding spaces and such, it’s against the rules and can get you into trouble. Banned sites are banned for a reason.
Read about it more here: http://peachyforum.com/forums/t/239025.aspx