I am in the process (almost done) of migrating a website from an on-prem server onto a server in the cloud. When I type in the URL, a response comes back "this site can't be reached", and the URL has changed from the subdoman/domain name I entered into the browser to the correct path, but with the internal IP instead of the domain name.
When I then change this again (to https://subdomain.domain.tld/), the site that I wanted to visit pops up.
I am suspecting some error in a setting on the server, but I don't know exactly where to look.
I have set up a virtual host file for the site, and there I have configured <VirtualHost [internal IP address]:443> ServerName [fully qualified domain name]
When I change the entry so it says <VirtualHost [fully qualified domain name]:443>, I get an error ERR_BAD_SSL_CLIENT_AUTH_CERT
The fact that the certificate is accepted when I try a second time with the internal IP in the virtual host file tells me there's not really anything wrong with the certificate.
Where else can I look?