HUB Can't Resolve Hostname

[MCJAD]

Does anyone know why this glitch is happened to me with the US servers? And yes, I did enter the right IP.
http://gyazo.com/e535d9e81f00ba712c5ad3e2b3d75fe8

 

[EditingXBL]

What did you type in for the host name? And they was probably down because I was on MCSG yesterday and today and it was a little bit slow when going through multiple servers.

 

[kpwn243]

We were having issues that day. TL