Well it's a weird one. You can ping our IP and resolve our domain name, and you can access the web server via a raw HTTP request, but as soon as you use a browser it fails.
Other than some piece of malware or a dodgy cache, I'm not sure what is going on. Have you tried completely removing a browser and reinstalling it? Or installing a browser you haven't used before (Opera, Safari, etc)?
Other than some piece of malware or a dodgy cache, I'm not sure what is going on. Have you tried completely removing a browser and reinstalling it? Or installing a browser you haven't used before (Opera, Safari, etc)?