ServerAlias not resolving

Hi folks, recently moved to Cloudflare.
I have an apache2 webserver running with ServerName: www . abc . de and ServerAlias name . com.
However after moving to Cloudflare I can not access abc . de anymore. Only w ww . abc . de is working. It was working before Cloudflare.
Any idea what might be wrong? Or how I can resolve this?

Thank you.

Is your naked domain’s A Record set correctly in the Cloudflare DNS?

Yes, the A record is set pointing to the IP of my webserver.

“www” is a C N AME of the A Record entry. “www” works. Just the A Record without www gives me “ERR_CONNECTION_REFUSED

It’s solved. It was a local client issue. Thank you for helping!