Skip to main content



注册管理运行机构若希望变更为其他 ICANN 批准的数据托管代理 (DEA),则应当在域名服务门户 (NSp) 中提交注册管理机构数据托管代理变更服务请求。变更数据托管代理需要提交以下文件:

  1. 已签署且符合《注册管理机构协议》规范 2 要求的数据托管协议,包括拟定 DEA 的使用证书

    注:如果在拟定 DEA 的协议模板中找不到使用证书,则应在提交文件中使用此使用证书模板

  2. 向当前 DEA 发出终止意向的通知证明。
  3. DEA 移交详情,包括:

    • 为确保不间断的数据托管访问,计划同时向拟定 DEA 和当前 DEA 寄存数据的重叠期。ICANN 建议重叠期为 30 天。
    • 拟定 DEA 计划在注册报告界面 (RRI) 系统中提交寄存通知的日期。
    • 当前 DEA 计划停止寄存数据的日期。


Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as"""" is not an IDN."