Ydth.org is a 2 years old domain.
It was registered by Sha lei , who can be reached at . The site is owned by Shao lei. Registration details show that it was registered on 07 Jan 2015 through beijing innovative linkage technology ltd. dba dns.com.cn and will expire on 07 Jan 2018.
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 ydth.org finds a mention on the Wikipedia.