This topic describes what is CNAME resolution.
CNAME
CNAME is an alias record, which allows you to map multiple names to the same computer.
For example, if the CNAME resolution of "mail.domain name" points to "mail.sg.aliyun.com" , you can use the "mail. domain name" form to access the Alibaba Mail login page.
Alibaba Mail CNAME records:
Singapore Site
Server | Host | Priority | Record Value |
CNAME | - | mail.sg.aliyun.com |
Hong Kong Site
Server | Host | Priority | Record Value |
CNAME | - | mail.hk.aliyun.com |
Germany Site
Server | Host | Priority | Record Value |
CNAME | - | mail.de.alibabacloud.com |
USA Site
Server | Host | Priority | Record Value |
CNAME | - | mail.us.alibabacloud.com |
CNAME record added in Alibaba Cloud DNS as shown in the following figure:

Take the Singapore site as the example here.