SSL-Tools

SSL check results of mail.cbf-it.gmbh

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Discover if the mail servers for mail.cbf-it.gmbh 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 Wed, 02 Sep 2026 05:47:52 +0000

The mailservers of mail.cbf-it.gmbh can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.cbf-it.gmbh addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.cbf-it.gmbh
178.77.79.212
 -
supported
mail.cbf-it.gmbh
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
12 s

Outgoing Mails

We have not received any emails from a @mail.cbf-it.gmbh address so far. Test mail delivery

Certificates

First seen at:

CN=mail.cbf-it.gmbh

Certificate chain
Subject
Common Name (CN)
  • mail.cbf-it.gmbh
Alternative Names
  • mail.cbf-it.gmbh
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • Encryption Everywhere DV TLS CA - G2
validity period
Not valid before
2025-09-27
Not valid after
2026-10-06
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
9E:DC:45:A8:42:31:FE:2C:8D:91:E7:F1:F0:DC:64:6A:73:9F:4E:A0:6A:F4:CA:56:F9:B3:0B:CB:81:27:5A:D7
SHA1
88:B2:43:A0:BC:B3:65:6E:A9:12:00:0F:AB:EF:D2:A3:6D:75:CA:53
X509v3 extensions
authorityKeyIdentifier
  • keyid:78:DF:91:90:5F:EE:DE:AC:F6:C5:75:EB:D5:4C:55:53:EF:24:4A:B6
subjectKeyIdentifier
  • A0:39:8C:58:76:2A:2A:5F:12:90:DE:D0:3F:E5:0F:B5:72:43:EA:8F
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
authorityInfoAccess
  • OCSP - URI:http://ocsp.digicert.com
  • CA Issuers - URI:http://cacerts.digicert.com/EncryptionEverywhereDVTLSCA-G2.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:
  • 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77
  • Timestamp : Sep 27 19:02:49.808 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:9A:2C:CD:FD:9E:3C:6B:22:FB:DD:50:
  • 41:44:9A:4F:EB:3F:3D:40:45:46:60:80:3B:4A:7A:BA:
  • 5E:3D:55:6B:A3:02:21:00:EA:60:D5:9B:13:C5:97:88:
  • 92:6F:F8:D7:3D:9A:37:73:18:D9:95:BE:E5:64:C3:B8:
  • A4:10:5B:DC:3C:11:1F:B3
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:
  • C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD
  • Timestamp : Sep 27 19:02:49.847 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:BE:A3:E6:0E:EA:F8:5A:A8:CE:65:06:
  • 77:9D:C5:91:3B:D8:EE:04:28:F7:67:E9:21:39:21:EB:
  • 25:26:43:C7:59:02:21:00:C3:C0:D7:82:8E:75:AD:B6:
  • 89:69:88:D8:45:C2:AA:CA:FC:DE:E4:DF:30:4D:12:B9:
  • C0:23:D9:E7:95:9B:4A:1D
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65:
  • 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8
  • Timestamp : Sep 27 19:02:49.871 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:AC:6F:88:C4:8F:67:49:A9:49:B9:C8:
  • 3F:3D:6D:5E:78:B2:79:BE:2C:48:0A:AD:7F:E6:21:60:
  • 76:86:B5:9F:18:02:21:00:96:79:87:90:5B:F4:45:64:
  • 8C:8B:71:AF:BA:93:41:78:E5:30:A8:4E:98:16:47:85:
  • F8:04:69:25:5B:38:B0:CC