SSL-Tools

SSL check results of habanos.cu

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Discover if the mail servers for habanos.cu can be reached through a secure connection.

To establish a secure connection a mail server has to offer STARTTLS (SSL), a trustworthy SSL certificate, support for the Diffie-Hellman-Algorithm to guarantee Perfect Forward Secrecy and must not be vulnerable against the Heartbleed attack. Futhermore we recommend using end-to-end encryption with GnuPG.

Summary

JSON Refresh

Report created Tue, 26 Aug 2025 02:31:27 +0000

We can not guarantee a secure connection to the mailservers of habanos.cu!

Please contact the operator of habanos.cu and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/habanos.cu

Servers

Incoming Mails

These servers are responsible for incoming mails to @habanos.cu addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.habanos.cu
181.225.246.50
 0
supported
habanos.cu
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
9 s
mail.almacen.habanos.cu
190.15.153.170
Results incomplete
10
unsupported
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
6 s

Outgoing Mails

We have not received any emails from a @habanos.cu address so far. Test mail delivery

Certificates

First seen at:

CN=habanos.cu

Certificate chain
  • habanos.cu
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R11
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • habanos.cu
Alternative Names
  • autodiscover.habanos.cu
  • habanos.cu
  • mail.habanos.cu
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R11
validity period
Not valid before
2025-08-05
Not valid after
2025-11-03
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C6:92:D4:E7:61:8C:DC:99:49:3A:34:7F:E8:55:14:9D:1E:8A:25:A2:24:F6:40:07:D1:8A:6F:52:07:D0:64:40
SHA1
93:24:11:0D:0D:E2:8F:5B:0A:7C:91:0F:52:E2:3D:84:46:F2:BD:3B
X509v3 extensions
subjectKeyIdentifier
  • 2A:49:53:D4:FE:89:B8:9F:C3:0E:13:F3:BA:61:69:76:22:4B:54:72
authorityKeyIdentifier
  • keyid:C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
authorityInfoAccess
  • CA Issuers - URI:http://r11.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r11.c.lencr.org/20.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
  • 47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
  • Timestamp : Aug 5 20:23:02.037 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:87:D5:57:51:09:0E:14:CE:C4:B1:8B:
  • A3:6F:43:86:A6:F6:DD:7E:7F:61:78:58:55:50:2E:CA:
  • 3E:47:4B:AF:25:02:20:39:DF:CB:F4:E3:3B:7D:24:61:
  • 43:DF:63:13:06:58:67:8A:9A:F5:2C:4A:11:76:71:B4:
  • 55:C8:9E:A2:3F:7E:B4
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : Aug 5 20:23:02.057 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:66:8E:55:06:03:49:DE:71:DD:23:E3:7E:
  • 63:E9:B2:39:3E:0D:10:2E:6C:36:6C:EE:69:97:12:B4:
  • 72:3D:F8:2D:02:20:15:32:4E:28:45:AF:97:DA:50:32:
  • A0:E8:15:5D:28:CD:5E:F4:D1:DD:B4:80:68:BE:8E:AA:
  • 1A:99:68:4D:43:98