443/tcp
TLS
first 2026-06-07 · last 2026-06-07
- TLS
- TLSv1.2
- Certificate for
- *.r-syndicate.ru, r-syndicate.ru
- Issued by
- E7
- Valid
- 2026-05-05 → 2026-08-03
Raw response
HTTP/1.1 400 Bad Request Server: nginx/1.26.3 Date: Sun, 07 Jun 2026 09:40:09 GMT Content-Type: text/html Content-Length: 657 Connection: close X-Frame-Options: SAMEORIGIN X-XSS-Protection: 1; mode=block X-Content-Type-Options: nosniff Referrer-Policy: no-referrer-when-downgrade Content-Security-Policy: default-src 'self' http: https: data: blob: 'unsafe-inline' Strict-Transport-Security: max-age=31536000; includeSubDomains; preload <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/1.26.3</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 -