Limits on Alibaba Cloud DNS

Item

Limit

Description

Maximum number of domain names

Unlimited

The maximum number of domain names that are not registered with Alibaba Cloud and that can be added in the Alibaba Cloud DNS console per Alibaba Cloud account.

Format of domain names

-

• A domain name can be up to 200 characters in length and have at least the first-level set. The levels are separated with periods (.). For example, a represents the first-level set, a.b represents the second-level set, and a.b.c represents the third-level set.

• The first-level set of a domain name, also known as the top-level domain name, can be 2 to 63 characters in length. The other domain names below the top-level domain name can be 1 to 63 characters in length.

• A domain name can contain hyphens (-), underscores (_), digits, and lowercase letters. The domain name must start with a digit or a lowercase letter.

Maximum number of DNS records

100,000

The maximum number of Domain Name System (DNS) records that can be added for a domain name. If you want to add more DNS records, submit a ticket.

API rate limits

You can view API rate limits in the Quota Center console.

The default rate limits for common API operations.