Limits
Item | Description |
Maximum number of instances that can be purchased each time | 100. |
Maximum number of address pools that can be associated with an address pool set | 10. |
Maximum number of address pools that can be created for an instance | Standard Edition: 10. Ultimate Edition: 20. |
Maximum number of addresses in an address pool | 20 (including IP addresses and domain names). |
Maximum number of access policies that can be created for an instance | Standard Edition: 10. Ultimate Edition: 20. |
Limit on the use of canonical names (CNAMEs) | Only custom CNAMEs are supported. You must use the CNAMEs that have obtained Internet Content Provider (ICP) filings within your account. Otherwise, ICP filing violations may occur. |
The current version supports only custom CNAMEs for newly purchased instances. The CNAMEs that have been assigned by the system to existing instances can still be used.
An address pool supports a maximum of 20 addresses. If the suffix of a custom CNAME is bound to a free instance of Alibaba Cloud DNS, at most 10 IP addresses take effect in an address pool.