Do you know that

WHOIS service (Who is) allows to check up the domain occupation interesting you to receive public data about its owner (name, second name, surname, phone, e-mail), registration date and expire date, DNS-servers and the domain condition (it is delegated or not). Service also gives the opportunity to receive the information about IP-addresses, DNS-servers and registrars.

If you see "Private person" in item "person" it means that a domain owner does not want to disclose his/hers name.

A domain name shall start and end with a Latin alphabet letter or number. Intermediate symbols can be Latin letters, numbers or hyphen. A domain name cant contain two hyphens one after another in the 3d and in the 4th positions.

A domain can contain from 2 to 63 symbols in RU zone
A domain can contain from 3 to 63 symbols in SU zone

Domain
  Example: domenus.ru  
IP-address
 My IP Example: 77.87.208.9  
DNS-server
  Example: ns.domenus.ru  
Registrar
  Example: DOMENUS-REG-RIPN