I have a domain, let say mysideproject.com. I bought the domain from GoDaddy but eventually started managing it on Cloudflare. Used Github to deploy the static frontend landing page by adding the A and AAA records in Cloudfare DNS entry.
Now, I developed another full stack app and deployed it using GCP App Engine. The app is up and running at app.appspot.com, I want to add a subdomain like app.mysideproject.com that should point to my newly deployed app.
Steps that I did:
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On App Engine, verified the ownership of mysideproject.com
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Added a subdomain app.mysideproject.com . This gave a bunch of A, AAAA and CNAME records again.
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Added the A and AAAA records but CANNOT add the CNAME to Cloudflare as it throws this error:
An A, AAAA, or CNAME record with that host already exists. For more details, refer to <https://developers.cloudflare.com/dns/manage-dns-records/troubleshooting/records-with-same-name/>. (Code: 81053)
So what I have in my DNS is:
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A and AAAA records given by Github for mysideproject.com
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A and AAA record given by App Engine for app.mysideproject.com
Also, Google managed SSL certs are stuck and they are never renewed. It throws this error:
DNS records could not be found. Certificate activation will retry automatically.
My redirection to app.mysideproject.com fails because of “SSL handshake failed”. Any idea what is going wrong? Any help here will be super appreciated.
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