SSL-Tools

SSL check results of rbb-aluminium.de

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Discover if the mail servers for rbb-aluminium.de 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 Fri, 16 Jan 2026 01:30:49 +0000

The mailservers of rbb-aluminium.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @rbb-aluminium.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mailout.rbb-aluminium.de
91.26.167.212
 5
supported
mail.rbb-aluminium.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
2 s

Outgoing Mails

We have not received any emails from a @rbb-aluminium.de address so far. Test mail delivery

Certificates

First seen at:

CN=mail.rbb-aluminium.de

Certificate chain
Subject
Common Name (CN)
  • mail.rbb-aluminium.de
Alternative Names
  • autodiscover.rbb-aluminium.de
  • mailout.rbb-aluminium.de
  • mail.rbb-aluminium.de
  • www.mail.rbb-aluminium.de
Issuer
Country (C)
  • US
State (ST)
  • Arizona
Locality (L)
  • Scottsdale
Organization (O)
  • GoDaddy.com, Inc.
Organizational Unit (OU)
  • http://certs.godaddy.com/repository/
Common Name (CN)
  • Go Daddy Secure Certificate Authority - G2
validity period
Not valid before
2026-01-07
Not valid after
2027-01-11
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
67:8C:0D:FA:D3:7C:FE:2B:DD:49:84:89:50:3F:80:9E:5F:94:B1:37:94:60:27:4D:7B:1D:EA:72:E2:7F:02:AD
SHA1
F2:CB:FF:E5:42:C1:E8:D5:55:92:95:CB:43:CF:21:E8:7F:73:74:27
X509v3 extensions
crlDistributionPoints
  • Full Name:
  • URI:http://crl.godaddy.com/gdig2s1-72077.crl
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • Policy: 2.16.840.1.114413.1.7.23.1
  • CPS: http://certificates.godaddy.com/repository/
authorityInfoAccess
  • OCSP - URI:http://ocsp.godaddy.com/
  • CA Issuers - URI:http://certificates.godaddy.com/repository/gdig2.crt
authorityKeyIdentifier
  • keyid:40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
subjectKeyIdentifier
  • 85:82:C2:7F:B6:7B:B1:EA:E2:40:3C:97:78:67:E2:E4:BF:16:55:E9
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99:
  • EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9
  • Timestamp : Jan 7 08:23:09.392 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:70:EE:A9:8A:85:87:75:24:4F:A7:24:8E:
  • 64:D9:03:CD:33:F4:6D:23:AC:47:4E:B8:C2:71:CD:F7:
  • 59:31:FD:25:02:21:00:E2:40:9D:6C:2C:95:7B:8C:D1:
  • E9:DB:66:00:92:89:88:F7:1F:67:2D:5B:5E:C8:8E:D9:
  • 24:F9:66:BB:8D:FA:3C
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F:
  • AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26
  • Timestamp : Jan 7 08:23:09.592 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:8E:47:1B:0D:BA:2B:AD:66:14:9F:68:
  • 7C:3C:01:F1:5D:54:1A:D5:F3:0F:CA:C9:35:9B:AC:CE:
  • 32:39:7B:4F:8C:02:21:00:CC:09:D3:B0:D8:83:98:95:
  • 50:C1:A9:F1:A6:9B:6C:41:BE:BB:F3:E0:BF:48:D5:77:
  • 03:59:93:3A:91:A1:BD:E1
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD:
  • DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F
  • Timestamp : Jan 7 08:23:10.310 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F6:D9:DE:E2:8C:16:5D:D2:E8:B3:7C:
  • 04:7B:74:27:69:75:B6:03:5D:3C:D0:1D:93:A3:66:82:
  • DE:55:28:8B:65:02:20:34:8A:73:49:AC:51:4B:C3:7D:
  • 2E:AC:DB:58:E6:8E:76:01:D9:56:99:CD:30:E3:44:05:
  • C8:6A:65:10:50:6D:E5