DescribeDomainCname - CDN - Alibaba Cloud Documentation Center

Detects the CNAME for an accelerated domain name. You can check the resolution result to determine whether the CNAME is configured.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
cdn:DescribeDomainCname	get	Domain `acs:cdn::{#accountId}:domain/{#DomainName}`	none	none

Request parameters

Parameter	Type	Required	Description	Example
DomainName	string	Yes	The accelerated domain name that you want to query. Separate multiple domain names with commas (,). This parameter cannot be left empty.	pay.slci6c.mbolsos.com,mch.b7r2v7.mbolsos.com,p.h99e.mbolsos.com,p.xmko.mbolsos.com,p.f2kd.mbolsos.com

Response parameters

Parameter	Type	Description	Example
	object	The detection results.
RequestId	string	The ID of the request.	06D29681-B7CD-4034-A8CC-28AFFA213539
CnameDatas	array<object>	Details about the CNAME detection results.
Data	object	The CNAME information.
Status	integer	The CNAME detection result. Valid values: 0: The DNS can detect the CNAME assigned to the domain name. Value other than 0: The DNS cannot detect the CNAME assigned to the domain name.	0
Domain	string	The accelerated domain name.	a.com
Cname	string	The CNAME assigned to the domain name by Alibaba Cloud CDN.	a.com.w.alikunlun.net

Examples

Sample success responses

JSONformat

{
  "RequestId": "06D29681-B7CD-4034-A8CC-28AFFA213539",
  "CnameDatas": {
    "Data": [
      {
        "Status": 0,
        "Domain": "a.com",
        "Cname": "a.com.w.alikunlun.net"
      }
    ]
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	DomainNameOverLimit	A maximum of 30 domains are supported for each request.	-
403	InvaildParameter	The parameter you provided is invalid.	The format of the domain name is invalid. Correct the format and try again.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2023-07-20	The Error code has changed	View Change Details