443/tcp
TLS
first 2026-06-08 · last 2026-06-09
- TLS
- TLSv1.2
- Certificate for
- *.gtk-apolda.org, gtk-apolda.org
- Issued by
- GlobalSign GCC R3 DV TLS CA 2020
- Valid
- 2026-03-23 → 2026-10-08
Raw response
HTTP/1.1 400 Bad Request Date: Tue, 09 Jun 2026 00:19:03 GMT Server: Apache X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Strict-Transport-Security: max-age=15552000 Content-Length: 402 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <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> </body></html>