.dd .dd .dd was the assigned country code top-level domain (ccTLD) for the German Democratic Republic (East Germany). It was chosen based on the ISO 3166-1 alpha-2 code for the German Democratic Republic, the letters coming from the German name of the country: '. In accordance with IANA policy, .dd was therefore available to be assigned as the country code top-level domain (ccTLD) for East Germany. However, this was never done, and so .dd was never added to the root nameservers. Its only use was internally at the universities of Jena and Dresden. With the reunification of Germany, East Germany became
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,