Live, Microsoft.com, Xbox.com, you name it. They're all down.
Edit: And they're starting to come back ;p
Here's what Xbox.com says:
Service Unavailable - DNS failure
The server is temporarily unable to service your request. Please try again later.
Reference #11.e34dfad.1385074890.143a07f
Edit: And they're starting to come back ;p
Here's what Xbox.com says:
Service Unavailable - DNS failure
The server is temporarily unable to service your request. Please try again later.
Reference #11.e34dfad.1385074890.143a07f