Subdomain 522 error

I have an issue when I created a new subdomain with aws endpoint. Please help me


Thank you for asking.

May I ask what level is the sub-domain, if the sub-domain is like or rather like :thinking:

Before adding a DNS hostname to the DNS tab of Cloudflare dashboard for your domain name, was the particular sub-domain working over HTTPS connection and have had provisioned a valid SSL certificate? :thinking:

May I ask what SSL option have you got selected under the SSL/TLS tab at Cloudflare dashboard for your domain ( Flexible, Full, Full Strict … )?

Regarding SSL issues with sub-domains:

Regarding Cloudflare 522 error, may I suggest you to look into below article to troubleshoot the issue (if already not yet):

Thank you for your prompt response, but the issue has been resolved already. It’s my mistake I didn’t set up the custom domain, now it’s all ok.

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