ApsaraVideo VOD uses the Alibaba Cloud CDN service to accelerate video distribution. Before you add a domain name to ApsaraVideo VOD, read this topic to understand the requirements and limits for accelerated domain names. This helps you prevent service disruptions that can be caused by domain names that are associated with non-compliant content.
Admission and activation process

Log in to the Alibaba Cloud official website, click Identity Verification, and follow the on-screen instructions.
Optional: ICP filing: If your acceleration region is Global Accelerator or the Chinese mainland, you must obtain an ICP filing for your domain name, regardless of where your origin server is located. Use the Alibaba Cloud ICP Filing Service to apply for an ICP filing. Before you apply for an ICP filing, complete the required preparations. For more information, see Check the server for ICP filing.
Domain name review: Use the storage services of ApsaraVideo VOD or OSS to store your origin content. If your origin content is not stored on Alibaba Cloud, submit a ticket for assistance before you add the domain name.
Add a CNAME record: At your DNS provider, add a CNAME record to point your domain name to the CNAME that is generated by ApsaraVideo VOD. For more information, see Configure a CNAME.
If your origin server is deployed on an ECS instance, provision bandwidth that is at least 20% of your total traffic volume.
In your origin server's security software settings, ensure that ApsaraVideo VOD cache nodes can access the origin server.
Ensure that all requests are redirected to the origin server if the ApsaraVideo VOD acceleration service is stopped.
After the configuration is complete, the generated CNAME cannot be accessed directly. It must be used as the target of a CNAME record.
Content moderation
You are responsible for any risks associated with accelerated domain names that contain the non-compliant content listed in this topic. ApsaraVideo VOD regularly reviews the content of domain names. If non-compliant content is found, ApsaraVideo VOD immediately takes the domain name offline or blocks it. In critical cases, the acceleration service for all domain names under the account is disabled and cannot be restored.
If you add a wildcard domain name (such as
*.aliyundoc.com) to ApsaraVideo VOD for acceleration, and an exact-match domain name that is covered by the wildcard domain name (such asexample.aliyundoc.com) contains non-compliant content, ApsaraVideo VOD takes the wildcard domain name (*.aliyundoc.com) offline.
All domain names added to ApsaraVideo VOD for CDN acceleration must be reviewed. The following types of accelerated domain names are not supported:
Websites that cannot be accessed or contain no substantive content
Game private servers
Legend-style games or card games
Websites that provide downloads of pirated software or other content that infringes on copyright
Peer-to-peer (P2P) finance websites
Lottery websites
Non-compliant hospital and medicine websites
Content related to pornography, drugs, or gambling
If your domain name review is rejected, go to the domain name list page in the ApsaraVideo VOD console > Configuration Management > CDN Configuration > Domain Names to view the reason for the rejection. After you resolve the issue, you can submit the domain name for review again.
Limits
Quantity | Limit |
Domain name | Each Alibaba Cloud account supports a maximum of 20 accelerated domain names. If the average daily peak bandwidth of your domain names is greater than 50 Mbps and your business is risk-free, submit a ticket to request an increase in the number of domain names. |
IP-based origin server | The number of IP-based origin servers for each accelerated domain name is limited to 10 by default. |
Cache purge operations |
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Domain name reclaim rules
If your accelerated domain name... | The system... | To continue using ApsaraVideo VOD acceleration, you need to… |
has no traffic for more than 90 consecutive days, even if its status is Normal. | automatically disables the domain name but retains its configuration. | enable the accelerated domain name. |
is disabled for more than 120 consecutive days. This includes domain names with a status of Review Failed. | The domain name records are automatically deleted. | add the domain name again. |