443/tcp
TLS
first 2026-06-07 · last 2026-06-07
- TLS
- TLSv1.2
- Certificate for
- *.rdmc.fr, rdmc.fr
- Issued by
- YE1
- Valid
- 2026-05-29 → 2026-08-27
Raw response
HTTP/1.1 400 Bad Request Date: Sun, 07 Jun 2026 18:56:25 GMT Content-Type: text/html; charset=utf-8 Content-Length: 666 Connection: close X-Frame-Options: SAMEORIGIN X-Permitted-Cross-Domain-Policies: master-only X-Xss-Protection: 0; mode=block; report="https://rdmc.report-uri.com/r/d/xss/enforce" X-Content-Type-Options: nosniff Referrer-Policy: strict-origin-when-cross-origin Server: RDMC Security Services Expect-CT: enforce, max-age=86400, report-uri="https://rdmc.report-uri.com/r/d/ct/enforce" Expect-Staple: max-age=31536000; includeSubDomains; preload Strict-Transport-Security: max-age=63072000; includeSubDomains; preload Permissions-Policy: geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=() <html> <head><title>400 The plain HTTP request was sent to HTTPS port</title></head> <body bgcolor="white"> <center><h1>400 Bad Request</h1></center> <center>The plain HTTP reque