.co (second-level domain) .co (second-level domain) In a number of countries, .co is used as a second-level domain to mean "commercial" and domain registrants register second-level domains of the form .co.xx, where xx is the country code top level domain (e.g., .co.uk in the U.K. and .co.jp in Japan). Some of the countries using .co as a second-level domain include: Barbados (.bb), Cook Islands (.ck), Costa Rica (.cr), India (.in), Indonesia (.id), Israel (.il), Japan (.jp), New Zealand (.nz), South Africa (.za), South Korea (.kr), Thailand (.th) and the United Kingdom (.uk). .co is also a country top-level domain corresponding to Colombia. Its
.ru .ru .ru is the Latin alphabet Internet country code top-level domain (ccTLD) for the Russian Federation introduced on April 7, 1994. The Russian alphabet internationalized country code is .рф. The control of .ru is assigned to the Coordination Center for TLD RU (CC for TLD RU), the current official registry. On 1 January 2005 the former registry Russian Institute for Public Networks (RIPN) has fully stopped to provide operations for registrations directly under .ru but still carries out registry operations for the third-level domain names under .com.ru, .net.ru, .org.ru and .pp.ru. The company RELCOM also proposes third-level registrations beneath various