r2u.tw.cn
r2u.co
r2u.io
r2u.us
r2u.de
r2u.at
r2u.nz
r2u.be
r2u.cl
r2u.se
r2u.si
r2u.ею
r2u.ad
r2u.ua
r2u.gw
r2u.рф
r2u.co.us

co.us

Extension: .us

.us is the country-code TLD for United States.

Learn more about .us at IANA or Wikipedia, or view all top-level domains.