0018-00000401

Problem description

The custom domain name you provided does not meet the requirements.

Problem cause

• The custom domain name specified in the CreateCnameToken or PutCname operation is invalid.

Problem example

• For example, if you specify a reserved Alibaba Cloud domain name such as "xyz.aliyuncs.com" in a CreateCnameToken request, the server returns this error.

Solution

• Ensure that the domain name that you use does not end with a reserved Alibaba Cloud domain name, such as "aliyuncs.com", "aliyun.com", "aliyun-inc.com", "taobaocdn.com", or "taobao.com".

References

For more information, see Access OSS using a custom domain name.