After using CDN, add the top-level domain
test.com and second-level domain names.
www.test.com parse and find top-level domain names
test.com can be opened, while the second-level domain name
www.test.com cannot open. It can be accessed after being bound to the origin site.
Cause of problem
It is found that both domain names are resolved to the same CNAME.
Note: Each CNAME corresponds to one domain name. Cannot resolve to another CNAME.
You can restore the CNAME to which the second-level domain name www.test.com.
Note: If both domain names are resolved to the
test.com.w.alikunlun.com, the CNAME of the second-level domain name www.test.com can be re-resolved to