.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
Coordination Center for TLD RU level national domains worldwide was fueled by one of the highest domain names growth rates over the last 5 years. Russian domain .RU is one of the biggest top level domains in terms of the total number of registered domain names among the existing national and generic domains.Delegated in 2010, IDN TLD .РФ is the new Cyrillic domain, which has already demonstrated record-breaking growth rates with 700,000 domain names registered in less than two months from the date of its launch and as such immediately joined the 20 biggest European top level national domains. The Coordination Center for TLD RU