Target device is Windows. When the user access the target server by RDP, the Info message box shows up.
Can't verify the remote computer ID. Do you connect?
Could not authenticate the remote computer because of the security certification problem
Server name: <hostname>.<domain name>
Issuer: <hostname>.<domain name>
Validation period: From 2018/05/04 To 2018/11/03
During the verification of the remote computer certificate, the following error occurred.
This certification is not from the trusted certification organization.
In the dialog message, there is the server name and issuer, and they have the [hostnme.domain name]. But this device does not join the domain and not registered the DNS.
From where are those information obtained?