443/tcp
TLS
first 2026-08-22 · last 2026-08-22
- TLS
- TLSv1.2
- Certificate for
- *.z-library.at, z-library.at
- Issued by
- CloudFlare, Inc.
- Valid
- 2026-06-18 → 2041-06-14
Raw response
HTTP/1.1 400 Bad Request Server: nginx/1.31.2 Date: Sat, 22 Aug 2026 09:42:21 GMT Content-Type: text/html Content-Length: 657 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/1.31.2</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 -->