I have a problem with some link. I am looking for a limousine company in Toronto Canada, my friend suggest a site with me here are the site. http://www.pearsonlimo.ca http://www.torontolimousines.ca/ http://www.toronto-airport-taxi.com/ but upon checking it on my browser it says that (The webpage "www.pearsonlimo.ca" cannot be found. DNS error occurred. Server cannot be found. The link may be broken). I have already cleared all my cookies and cache but upon checking them again this error keeps apearing on my browser. Any help guys? Some other sites goes the same too. not only this limousine site, sometimes there are site that i have encountered showing the same result. What do you think is the problem? I am using firebox 3.6.13 hope to get a feedback. Thanks in advance.