443/tcp
TLS
first 2026-08-27 · last 2026-08-27
- TLS
- TLSv1.2
- Certificate for
- www.cloudflare.com, blog.api.www.cloudflare.com
- Issued by
- WE1
- Valid
- 2026-08-14 → 2026-11-12
Raw response
HTTP/1.1 400 Bad Request Server: cloudflare Date: Thu, 27 Aug 2026 21:26:26 GMT Content-Type: text/html Content-Length: 655 Connection: close CF-RAY: - <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>cloudflare</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 -->