.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
Nigeria Internet Registration Association the Federal Government of Nigeria. It became an Incorporated Trustee on February 9, 2007. Nigeria Internet Registration Association is responsible for the top level Domain .ng and also the following .mil.ng, .com.ng, .sch.ng, .gov.ng, .edu.ng, .i.ng, .net.ng through their accredited registrar. Nigeria Internet Registration Association Nigeria Internet Registration Association (NIRA) oversees the top level domain name dot ng. Registration of domain names are handled by NIRA certified registrars. NIRA used the Registry-Registrar-Registrant model in operating and managing the .ng internet country code top-level domain (ccTLD) for the country Nigeria. Nigeria Internet Registration Association was initially founded by a stakeholder-led organisation,