The requested domain name is not configured for any web site: http://www.medicalnet.pl/Szpital-Jonschera--Rusza-inwestycja-za-40-mln-zl,wiadomosc,5,grudzien,2012.aspx
If you're an administrator of this site, you need to go to Site Manager -> Sites and use the following domain name either in the Site properties or add a new domain alias: www.medicalnet.pl