Service quotas
Item | Limit | Description |
Number of zones | 500 | Up to 500 zones can be created per account. |
Number of VPCs that you can associate with a zone | 100 | Up to 100 VPCs can be associated with a zone. |
Number of accounts from which you can associate VPCs | 200 | VPCs from up to 200 Alibaba Cloud accounts can be associated. |
Number of DNS records | 100,000 | By default, up to 100,000 DNS records can be added per zone. In recursive proxy mode, up to 4,000 DNS records can be added. |
RPS per ECS instance | 5,000 | Up to 5,000 DNS requests can be sent by an ECS instance per second. If the upper limit is exceeded, throttling may be triggered and service availability of 99.99% specified in the Service Level Agreement (SLA) may not be guaranteed. |
Wildcard DNS record | - | Wildcard DNS records are supported regardless of whether recursive resolution proxy for subdomain names is enabled. |