443/tcp
TLS
first 2026-09-11 · last 2026-09-20
- TLS
- TLSv1.2
- Certificate for
- *.icscs.com, *.china-ics.com, icscs.com, *.icscs.com.cn, icscs.com.cn, china-ics.com
- Issued by
- Certum DV TLS G2 R39 CA
- Valid
- 2026-02-28 → 2027-03-30
Raw response
HTTP/1.1 400 Bad Request Server: nginx/1.30.1 Date: Sun, 20 Sep 2026 03:50:03 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/1.30.1</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 -->