已委托 TLD
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已委托[[tld|TLD]]是指已由[[iana|IANA]]正式添加到DNS根区的TLD,意味着它已上线并可在公共互联网上解析。未委托TLD是指已通过审批或提出申请,但名称服务器记录尚未插入根区的TLD。这一区别很重要,因为TLD可能已通过ICANN评估并签署了注册局协议,但在技术设置期间仍可能保持未委托状态数月。IANA根区数据库中所有可见的TLD均为已委托状态。
示例
After ICANN approved .music in 2022, the TLD went through technical readiness checks and was formally delegated to the root zone before registrations opened.