.co (second-level domain)
In a number of countries, .co (an abbreviation of commercial) is used as a second-level domain in the Domain Name System used to route internet traffic. 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).
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 current manager, Neustar, markets it to global markets as an alternative to .com, or as a generic country code top level domain gccTLD.
- "Neustar's .CO Domain Celebrates 5th Birthday, Sees Staggering Adoption Across Global Entrepreneurs, Startups and Innovators". PRWeb. Retrieved 30 January 2018.
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