guys i use this informtion

http://104.247.200.138:8080/getting_started

and i put that in Nicehash 'want mining DBIC'
 
SHA-256 ---> USa ---> 25 Hash
Stratum hostname or IP: 104.247.200.138
port: 3256

but isnt work said is desoconected . . .

so what i do im new in mining