.dd part of the Federal Republic of Germany, which had already been assigned the ccTLD .de. The ISO 3166-1 code "DD" was withdrawn in 1990. .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
Nigeria Internet Registration Association 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, the stakeholders were within Nigeria's Internet Community. It was later transferred to the current management as it became important for National Resources to be handled by a Government coordinated institution, National Information Technology Development Agency(NITDA) handled the transfer on behalf of