443/tcp
TLS
first 2026-06-09 · last 2026-06-09
- TLS
- TLSv1.2
- Certificate for
- portal.pro-spiro.de, www.portal.pro-spiro.de
- Issued by
- Sectigo Public Server Authentication CA DV R36
- Valid
- 2026-01-15 → 2027-02-15
Raw response
HTTP/1.1 400 Bad Request Date: Tue, 09 Jun 2026 09:53:45 GMT Server: Apache/2.4.52 (Ubuntu) Strict-Transport-Security: max-age=31536000; includeSubDomains Content-Length: 438 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> <p>Your browser sent a request that this server could not understand.<br /> Reason: You're speaking plain HTTP to an SSL-enabled server port.<br /> Instead use the HTTPS scheme to access this URL, please.<br /> </p> <hr> <address>Apache/2.4.52 (Ubuntu) Server at 127.0.1.1 Port 443</address> </body></html>