Alibaba Cloud CDN:Verify the ownership of a domain name

Method 1: Use a DNS record to verify the ownership (recommended)

The domain name image.example.com is used as an example to demonstrate how to verify the ownership of a domain name by adding a DNS record.

1. On the verification page, click the Method 1: DNS Settings tab.
   Important Do not close the verification page before the verification process is completed. In some cases, DNS record verification may fail. If DNS record verification fails, you can use Method 2: Upload a verification file to verify the ownership.

   
2. Add a TXT record in the system of your DNS service provider.
   The following example demonstrates how to add a TXT record. Alibaba Cloud DNS is used as the DNS service provider in this example. You can use similar methods to add TXT records in the systems of other DNS service providers, such as Tencent Cloud and Xinnet.
   1. Log on to the Alibaba Cloud DNS console.
   2. Navigate to the Domain Name Resolution page, find the root domain name example.com, and then click DNS Settings in the Actions column.
   3. Click Add DNS Record and enter the record type, host, and record value obtained in Step 1.
      

      Parameter	Description	Example
      Record Type	Select TXT.	TXT
      Hostname	Enter the prefix of the domain name.	verification
      DNS Request Source	Select the Internet service provider (ISP) of the domain name.	We recommend that you keep the default setting.
      Record Value	Enter the record value obtained in Step 1.	verify_293b6443326fbbc7ff5e61d7768f****
      TTL Period	A smaller time-to-live (TTL) value indicates a shorter period of time to apply record updates. The default value is 10 minutes.	We recommend that you keep the default setting.

   4. Click OK.
3. After the TXT record takes effect, log on to the CDN console. Click Verify to complete the verification.
   If the system prompts that the domain name fails the verification, check whether the TXT record is correct. Wait for the TXT record to take effect and try again.

D:\example>nslookup -qt=txt verification.example.com
DNS request timed out.
    timeout was 2 seconds.
Server: Unknown
Address:  10.10.10.10

DNS request timed out.
    timeout was 2 seconds.
Non-authoritative answer:
verification.example.com text =

        "verify_293b6443326fbbc7ff5e61d7768f****"

 [rot@example ~]# dig verification.example.com txt

; << > > DiG 9.11.26-RedHat-9.11.26-3.1.al8 << > > verification.example.com txt
;; global options: +cmd
;; Got answer:
;; - > >HEADER<<- opcode: QUERY, status: NOERROR, id: 63246
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 13561416e9b77d0701000000615fb0d7304d137ea064**** (good)
;; QUESTION SECTION:
;verification.example.com.                IN      TXT

;; ANSWER SECTION:
verification.example.com. 600     IN      TXT     "verify_293b6443326fbbc7ff5e61d7768f****"

;; Query time: 152 msec
;; SERVER: 100.100.100.136#53(100.100.100.136)
;; WHEN: Fri Oct 08 10:45:43 CST 2021
;; MSG SIZE  rcvd: 143

Method 2: Upload a verification file to verify the ownership

The domain name image.example.com is used in this topic to demonstrate how to verify the ownership of a domain name by uploading a verification file.

1. On the verification page, click the Method 2: Verification File tab.
   Do not close the verification page before the verification process is completed.
2. Click verification.html to download the verification file of the domain name.
3. Upload the verification file to the root directory on the origin server of the domain name. The origin server can be an Elastic Compute Service (ECS) instance, an Object Storage Service (OSS) bucket, a Cloud Virtual Machine (CVM) instance, a Container-Optimized OS (COS) instance, or an Elastic Compute Cloud (EC2) instance.

   After you upload the verification file, CDN visits the origin server at http://example.com/verification.html to obtain the verification file. Then, Alibaba Cloud CDN determines whether you have uploaded the verification file as required. Make sure that the verification file is accessible.

4. Click Verify to complete the verification.

Method 3: Call API operations to verify the ownership

If you want to call the AddCdnDomain or BatchAddCdnDomain API operation to add a domain name to Alibaba Cloud CDN, you must first call the relevant API operation to verify the ownership.

• Use a DNS record to verify the ownership.
  1. Cal the DescribeVerifyContent API operation to query the record value.
  2. Add a TXT record in the system of your DNS service provider. For more information, see Step 2.
  3. Call the VerifyDomainOwner API operation to verify the ownership of a domain name. This operation verifies the ownership of one domain name at a time.

     Set VerifyType to dnsCheck.

  4. Call the AddCdnDomain or BatchAddCdnDomain API operation to add the domain name to Alibaba Cloud CDN.
• Use a verification file to verify the ownership.
  1. Call the DescribeVerifyContent API operation to query the record value and acquire the verification file.
  2. Upload the verification file to the root directory on the origin server of the domain name. The origin server can be an ECS instance, an OSS bucket, a CVM instance, a COS instance, or an EC2 instance.
  3. Call the VerifyDomainOwner API operation to verify the ownership of a domain name. This operation verifies the ownership of one domain name at a time.

     Set VerifyType to dnsCheck.

  4. Call the AddCdnDomain or BatchAddCdnDomain API operation to add the domain name to Alibaba Cloud CDN.

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