SSL-Tools

SSL check results of tiedt-online.de

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Discover if the mail servers for tiedt-online.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

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Report created Wed, 24 Dec 2025 12:56:00 +0000

The mailservers of tiedt-online.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @tiedt-online.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.tiedt-online.com
46.252.131.107
 10
supported
mail.tiedt-online.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.tiedt-online.com

Certificate chain
  • mail.tiedt-online.com
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R12
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.tiedt-online.com
Alternative Names
  • mail.tiedt-online.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R12
validity period
Not valid before
2025-10-26
Not valid after
2026-01-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
63:57:47:AD:99:96:CC:3B:3D:47:87:3D:CB:96:FE:DC:90:E2:18:81:94:8B:52:68:82:A1:44:C6:94:96:D1:A1
SHA1
F5:C5:3E:1C:2B:01:A5:BD:E6:7D:3F:2E:37:17:C4:18:7A:5E:B4:4E
X509v3 extensions
subjectKeyIdentifier
  • 5B:A4:33:5C:EB:6B:70:83:44:04:FC:D0:5E:3D:9B:85:3E:19:6E:95
authorityKeyIdentifier
  • keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
authorityInfoAccess
  • CA Issuers - URI:http://r12.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r12.c.lencr.org/69.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
  • 4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
  • Timestamp : Oct 26 09:12:21.854 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:2C:62:C8:54:2E:80:EC:C0:2B:F0:E0:F0:
  • B1:3A:D6:ED:A7:F8:89:DE:83:02:83:D8:AA:DA:6F:61:
  • 66:4C:6E:8C:02:20:67:E8:38:6D:BA:3F:45:CF:43:F7:
  • 9A:1A:A0:D6:60:EE:A9:5C:87:47:60:58:4D:F8:C9:CB:
  • B0:6D:D8:FE:4A:A4
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 19:86:D4:C7:28:AA:6F:FE:BA:03:6F:78:2A:4D:01:91:
  • AA:CE:2D:72:31:0F:AE:CE:5D:70:41:2D:25:4C:C7:D4
  • Timestamp : Oct 26 09:12:21.866 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:FA:0A:1B:D6:2D:48:ED:16:69:35:14:
  • 98:63:27:C1:C5:EE:8A:C8:72:04:8A:C4:E7:40:1E:27:
  • 23:8F:D2:2B:84:02:21:00:89:A5:D9:57:24:75:E9:44:
  • 8D:C4:3C:94:A4:33:26:7A:B4:11:7F:11:DE:2B:10:A8:
  • 6A:BE:9E:0B:CF:FA:68:9A