.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
Internet in Azerbaijan TRACECA Fiber Optic Cable line, TransEuroCom is connected also to the TurkTelecom in Turkey. State control over domain name registration is limited. The assignment of the country code domain name ".az" is controlled by AzNic, Ltd., a joint venture among three Azerbaijani firms. The cost for a one-year registration is US$34. Network Technologies (a subsidiary of IntraNS) is the company that carries out registration and administration of the top-level domain (TLD) in the country. Domain name registrations cannot be done online. Instead, a client is required in most cases to go in person to the offices of the domain name