Here is a little web application that can tell you if a website is off line. No need to sit and wonder if you did something wrong. Just type the site that you want to query into the space www google com and click on or just me?
System Manufacturer/Model Number Self build OS Windows 7 Ultimate x64 CPU AMD Phenom II x4 Motherboard Gigabyte 880 Memory 8GB Graphics Card NVIDIA GeForce HD Sound Card Realtek HD Audio Screen Resolution 1920 x 1080
PSU Thermalake 550w Case XCase Hard Drives 2 x 1TB Internet Speed 8MB