There is Management Team in Easy Property and IP Home businesses owned by the same owner, and the Team manages the domain names owned by Easy Property( or him) on the Whois Data, also used is email@example.com as their email address on the Data.
The word "proxy" was just involved to express the trait of business to manage their realty on behalf of other people, but it doesn't mean doing any domain names by proxy. They are owned as seen on the Whois.
IP Home & Partners
Phone: +82.1073067506(Interpreter) or
.....realize that one of their most valuable assets is the brand names associated with their products
or services. In a global environment, all of the people face more choices with less time to make them.....