443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- scvipfk.sfm.t-online.de
- Issued by
- DigiCert Global G2 TLS RSA SHA256 2020 CA1
- Valid
- 2025-09-10 → 2026-09-09
Raw response
HTTP/1.1 400 Bad Request Server: bks400httpserver Date: Mon, 08 Jun 2026 04:38:14 GMT Content-Type: text/html Content-Length: 661 Connection: close Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET, HEAD, OPTIONS <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>bks400httpserver</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 -->