Sun-Ef.net is a 1 year old domain.
It was registered by PROTECT WHOIS , who can be reached at . The site is owned by FC2,INC. Registration details show that it was registered on 08 Jan 2016 through eNom and will expire on 08 Jan 2017.
The site is being served through Microsoft-IIS/8.5.
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 sun-ef.net finds a mention on the Wikipedia.