443/tcp
TLS
first 2026-06-09 · last 2026-06-09
- TLS
- TLSv1.2
- Certificate for
- *.sebastianschmidt.com, sebastianschmidt.com
- Issued by
- Sectigo Public Server Authentication CA DV R36
- Valid
- 2025-06-20 → 2026-06-20
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Tue, 09 Jun 2026 01:33:07 GMT Content-Type: text/html Content-Length: 650 Connection: close X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Referrer-Policy: strict-origin-when-cross-origin Strict-Transport-Security: max-age=31536000 <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 -->