I have a problem requesting a certificate for a local server we have internally; Basically, we want to get rid of the self-signed certificate and install a valid SSL certificate on a Microsoft ADFS server.
We have created a public A record for this server which resolves in 10.0.0.0/8. The command I try to invoke is:
./certbot-auto certonly --verbose --standalone -d adfs.company.com
At the screen, I get the error “No IPv4 addresses found for adfs.company.com”. I don’t think it is a DNS problem, as it resolves well and if I invoke the same command with a non-existent subdomain name, I get a different error message (NXDOMAIN looking up A)
Any help? Thank you!