443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- isabel.virtualtelecom.nl, www.isabel.virtualtelecom.nl
- Issued by
- Sectigo RSA Domain Validation Secure Server CA
- Valid
- 2025-05-27 → 2026-06-27
Raw response
HTTP/1.1 400 Bad Request Date: Mon, 08 Jun 2026 03:05:16 GMT Content-Type: text/html Content-Length: 650 Connection: close Strict-Transport-Security: max-age=63072000 Access-Control-Allow-Credentials: true Access-Control-Expose-Headers: Content-Length,Content-Range,Content-Type,ETag,Last-Modified,X-RateLimit-Limit,X-RateLimit-Remaining,X-RateLimit-Reset,Cache-Control,Expires,Pragma,X-Header-Memcached <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 Chrom