.vn is the country code top-level domain for Vietnam.
The domain name registry for .vn is the Vietnam Internet Network Information Center.
In 2003, the company Dot VN, Inc. signed an agreement with the VNNIC allowing it to market the .vn domain... Wikipedia
Registry: Vietnam Internet Network Information Center (VNNIC)
Actual use: Fairly popular in Vietnam
Intended use: Entities connected with Vietnam
Registered domains: 524,556 (June 2021)