Github status is hosted on Github, d'oh. Their Twitter feed posted at 2037Z: "We are experiencing issues due to a DDOS attack, working hard to restore service..." https://twitter.com/github/status/259029493669310464
Looks like github status is on heroku. It's loading fine for me:
> host status.github.com
status.github.com is an alias for appid129905herokucom-760859479.us-east-1.elb.amazonaws.com.
appid129905herokucom-760859479.us-east-1.elb.amazonaws.com has address 50.19.101.240
appid129905herokucom-760859479.us-east-1.elb.amazonaws.com has address 50.19.101.216
appid129905herokucom-760859479.us-east-1.elb.amazonaws.com has address 107.22.241.165