SSL check results of kadotec.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for kadotec.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

Report created Mon, 04 Aug 2025 00:30:30 +0000

The mailservers of kadotec.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @kadotec.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.kadotec.de
75.119.156.100
10
supported
www.kadotec.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

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

Certificates

First seen at:

CN=www.kadotec.de

Certificate chain
  • www.kadotec.de
    • remaining
    • 256 bit
    • ecdsa-with-SHA384

      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption

          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption

Subject
Common Name (CN)
  • www.kadotec.de
Alternative Names
  • cpanel.kadotec.de
  • ftp.kadotec.de
  • kadotec.de
  • mail.kadotec.de
  • webmail.kadotec.de
  • www.kadotec.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-08-01
Not valid after
2025-10-30
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
81:E9:AC:CC:C1:9F:18:1C:2F:B8:4D:AC:84:AA:C2:48:3B:76:16:F5:16:13:E9:26:21:C2:AD:4E:F3:46:21:36
SHA1
A5:BB:99:06:A5:65:46:BC:78:A5:FF:E8:55:47:FC:3B:64:7C:EE:05
X509v3 extensions
subjectKeyIdentifier
  • 50:AE:A8:96:55:33:43:B9:4E:EA:8D:CB:3A:4A:FF:CA:96:59:2D:BE
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/93.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 1 12:30:16.637 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:02:2C:87:FE:A1:32:BC:2F:17:EC:78:F3:
  • 3D:FE:C5:B3:1F:88:B4:B1:30:0F:7D:42:9F:43:0B:49:
  • C8:2F:95:B0:02:21:00:AC:1F:AB:D2:3F:34:43:14:A2:
  • 8C:B4:46:AE:12:F5:AA:7D:66:0A:19:35:1C:B9:4B:85:
  • C0:9A:CC:D5:99:0C:BC
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
  • 26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
  • Timestamp : Aug 1 12:30:18.638 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CF:2D:3F:C9:B4:63:8E:D3:D8:83:1A:
  • CD:24:53:D2:F4:BB:3B:F7:73:5E:42:66:57:70:61:E7:
  • 11:A1:93:40:47:02:21:00:8F:A2:BB:DF:89:4C:E0:CB:
  • 45:6D:69:49:EB:52:41:D5:BB:02:E9:F3:D8:7A:B7:00:
  • D5:8B:F4:C7:2A:A6:86:14