443/tcp
TLS
first 2026-06-07 · last 2026-06-07
- TLS
- TLSv1.0
- Certificate for
- *.issms.pl, issms.pl
- Issued by
- Certum Domain Validation CA SHA2
- Valid
- 2020-01-16 → 2021-01-15
Raw response
<!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 /> <blockquote>Hint: <a href="https://89.10.static.dcenter.pl/"><b>https://89.10.static.dcenter.pl/</b></a></blockquote></p> </body></html>