i believe domain name is consistent with the accessed address
i use nameserver and dns management from vpsmalaysia to connect to the server, this is how i set it up
and this is my error log if that might help to solve this ssl issue
2026/01/14 00:19:03 [error] 3405903#0: *3316999 directory index of "/www/wwwroot/testgold/public/.well-known/acme-challenge/" is forbidden, client: 20.42.210.242, server: smgoldsystem.com, request: "GET /.well-known/acme-challenge/ HTTP/1.1", host: "smgoldsystem.com", referrer: "https://www.yahoo.com/"
2026/01/14 03:30:16 [error] 3405903#0: *3342744 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream, client: 20.78.178.218, server: smgoldsystem.com, request: "GET /adminfuns.php/.well-known/acme-challenge/file.php HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi-74.sock:", host: "smgoldsystem.com", referrer: "https://www.google.de/"
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