.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
Internationalized country code top-level domain Assigned Numbers Authority In October 2009, ICANN resolved to start accepting applications for top-level internationalized domain names from representatives of countries and territories in November. Starting 16 November 2009, nations and territories could apply for IDN ccTLDs. Egypt, Saudi Arabia, the United Arab Emirates, and the Russian Federation were among the first countries to apply for the new internationalized domain name country code top-level domains. In January 2010 ICANN announced that these countries' IDN ccTLDs were the first four new IDN ccTLDs to have passed the Fast Track String Evaluation within the domain application process. In May 2010, twenty-one different