443/tcp
TLS
first 2026-05-31 · last 2026-05-31
- TLS
- TLSv1.2
- Certificate for
- abb.kessemeier.org, cal.kessemeier.org, contacts.kessemeier.org, ctrl.kessemeier.org, dns.kessemeier.org, drive.kessemeier.org, home.kessemeier.org, kessemeier.org
- Issued by
- E7
- Valid
- 2026-04-23 → 2026-07-22
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Sun, 31 May 2026 01:48:42 GMT Content-Type: text/html Content-Length: 650 Connection: close <html> <head><title>400 The plain HTTP request was sent to HTTPS port</title></head> <body> <center><h1>400 Bad Request</h1></center> <center>The plain HTTP request was sent to HTTPS port</center> <hr><center>nginx</center> </body> </html> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page -->