site showing DNS error

[refaxpk]

aoa
sir i have purchased domain from A hosting company on saturday 10,sep,2011.i have installed wordpress using fantastico programme,and also do all other necessiteis,but when i clicked the address of website it is showing the following errors,i have checked it at three different browser,but the problem is still there,kindly help me to solve the problem.
GOOGLE CHROME SAYS
"The server at www.technotrait.com can't be found, because the DNS lookup failed."
"Error 105 (net::ERR_NAME_NOT_RESOLVED): Unable to resolve the server's DNS address."
FIREFOX SAYS
"Could not locate remote server'
OPERA SAYS
"Oops! This page appears broken. DNS Error - Server cannot be found."
i can view the site from mobile using gprs,but my pc did not show it.