I only get a secure connection error with Firefox 79 (on ArchLinux) when trying to connect to that domain. The certificate configuration seems to be missing som

I only get a secure connection error with Firefox 79 (on ArchLinux) when trying to connect to that domain. The certificate configuration seems to be missing some intermediate certs: https://www.sslshopper.com/ssl-checker.html#hostname=js1024.fun https://www.sslshopper.com/ssl-checker.html#hostname=js1024.... https://www.ssllabs.com/ssltest/analyze.html?d=js1024.fun https://www.ssllabs.com/ssltest/analyze.html?d=js1024.fun