443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- *.login-us.mimecast.com, *.login-alpha.mimecast.com, *.login-za.mimecast.com, *.login-au.mimecast.com, *.login-de.mimecast.com, *.login-uk.mimecast.com, *.login-je.mimecast.com, *.login-je.mimecast-offshore.com
- Issued by
- DigiCert Global G2 TLS RSA SHA256 2020 CA1
- Valid
- 2026-03-18 → 2026-10-02
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Mon, 08 Jun 2026 01:14:31 GMT Content-Type: text/html Content-Length: 650 Connection: close <html> <head><title>400 The plain HTTP request was sent to HTTPS port</title></head> <body> <center><h1>400 Bad Request</h1></center> <center>The plain HTTP request was sent to HTTPS port</center> <hr><center>nginx</center> </body> </html> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page -->