A list of country code Top-Level Domains including NIC URL, TLD introduction date, and informations about RIR (Regional Internet Registry) service regions and DNSSEC support.There are currently 249 country code Top-Level Domains in the root zone.
国家/地区代码顶级域的列表，包括NIC URL，TLD引入日期以及有关RIR（区域Internet注册表）服务区域和DNSSEC支持的信息。根区域中当前有249个国家/地区代码顶级
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