The IPV6 qualification of Tencent Cloud CDN has been open for internal test application. If necessary, you can apply
Page application address: https://cloud.tencent.com/solution/ipv6

Simply fill in and wait for approval
If you want to purchase an ipv4/ipv6 dual stack server, you can also apply on this page
Attach the application address of other cloud manufacturers
Alibaba Cloud IPv4/IPv6 dual stack public beta application: https://page.aliyun.com/form/act608662110/index.htm?spm=a2c4e.11153940.0.0.586d1637A1xU1T
Baidu Cloud IPv4/IPv6 dual stack public beta application: https://cloud.baidu.com/survey/ipv6.html
Huawei Cloud IPv4/IPv6 dual stack public beta application: https://www.huaweicloud.com/solution/ipv6/