.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
Generic top-level domain promotion they ran. Recently, SBI bank has started using gTLD as "Bank.SBI" on February 20, 2017. Some browsers and software applications do not properly recognize new gTLDs as top-level domains. For example, some browsers do not recognize many new gTLDs and instead treat them as a search query. Prefixing the domain with "http://", or including a trailing slash, will usually force the browser to perform a DNS lookup rather than a search. Following the vote to expand gTLDs, many trade associations and large companies, led by the Association of National Advertisers, formed the Coalition for Responsible Internet Domain Oversight. The