The two-letter abbreviation, .VN, is a unified standard system agreed upon to identify and reserve domain names specified for Vietnam.
What is a Registrar?
A Registrar is the organization (101Domain, in this case) that provides services of registering national domain name .VN selected by the Vietnam Internet Network Information Center.
What is a Registrant?
A Registrant is an organization or an individual that uses the domain name .VN (you).
