参考：
https://help.aliyun.com/zh/cdn/getting-started/verify-the-ownership-of-a-domain-name
https://blog.csdn.net/qq_17335549/article/details/131781640
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标签：TXT,DNS,验证,域名,https,所有权 From： https://www.cnblogs.com/devilmaycry812839668/p/17912652.html