Once most domains becomes Active, Cloudflare will automatically issue a Universal SSL certificate, which will provide SSL/TLS coverage and remove the warning message.
If your zone is already active on Cloudflare, this warning identifies subdomains that are not covered by your current SSL/TLS certificate.
|Covered by Universal certificate?
To prevent insecure connections on a multi-level subdomain, do one of the following:
- Enable , which automatically issues individual certificates to your proxied hostnames not covered by a Universal certificate.
- Order an covering the subdomain.
- Upload a covering the subdomain.
If none of these solutions work, you could also remove the multi-level subdomain.