443/tcp
TLS
first 2026-05-31 · last 2026-05-31
- TLS
- TLSv1.2
- Certificate for
- owa.dublinport.ie, autodiscover.dublinport.ie
- Issued by
- DigiCert Global G2 TLS RSA SHA256 2020 CA1
- Valid
- 2026-05-27 → 2026-12-11
Raw response
HTTP/1.1 400 Bad Request Date: Sun, 31 May 2026 01:32:12 GMT Server: Apache Content-Length: 362 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> </body></html>