Onebot.org is a 1 year old domain.
It was registered by zhang yang , who can be reached at . The site is owned by zhangyang. Registration details show that it was registered on 10 Jan 2016 through hichina zhicheng technology limited and will expire on 10 Jan 2017.
Wikipedia is a free web scale encyclopedia, free to be edited by anyone in the world. In a way it is the biggest information repository on the planet. See if onebot.org finds a mention on the Wikipedia.