Mismatch Names in Certificate / Invalid Authority

Help
1

My domain is feed-plex.com

I’ve requested a certificate from let’s encrypt from my Synology.
Everything went all right (domain was reachable) but when I’m trying to connect on the newly secured domain, I get an error from Chrome and Firefox stating that the page is unsecured.

My web server is (include version): Apache 2.4 and PHP 7.3

The operating system my web server runs on is (include version): Synology DSM 6.2.3-25426 Update 2 (latest version).

My hosting provider, if applicable, is OVH (host my domain name and proxies used).

I’ve tried to check my ssl through SSL Checker and it returned me this:

Screenshot_18
Screenshot_18766×851 133 KB

Thanks for your help and time

2

For some reason, your certificate(s) aren’t being installed in the Synology. Not sure why. Not sure if we can help you with that, as this most likely is a Synology specific issue.

3

My apologies, it seems that my certificate wasn’t fully active before I’ve restarted my NAS.
Sorry for the trouble