SSL-Tools

SSL check results of itm-hummel.de

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Discover if the mail servers for itm-hummel.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 Sun, 30 Mar 2025 18:14:44 +0000

The mailservers of itm-hummel.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @itm-hummel.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.itm-hummel.de
80.147.28.65
 10
supported
mail.itm-hummel.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
4 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.itm-hummel.de

Certificate chain
  • mail.itm-hummel.de
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R10
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.itm-hummel.de
Alternative Names
  • autodiscover.itm-hummel.de
  • mail.itm-hummel.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R10
validity period
Not valid before
2025-02-03
Not valid after
2025-05-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
EC:0C:36:0D:55:6E:CE:06:A5:06:B1:FA:7E:69:B6:02:E4:09:33:AF:24:12:26:BF:A6:35:26:79:40:AC:FD:FF
SHA1
BB:03:EE:A0:58:4F:A2:84:C0:6C:E8:76:0E:78:18:8A:AB:98:87:32
X509v3 extensions
subjectKeyIdentifier
  • 45:5E:F4:F4:20:8B:73:3B:88:24:B4:AC:EC:9C:90:9D:DB:88:0B:CD
authorityKeyIdentifier
  • keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
  • OCSP - URI:http://r10.o.lencr.org
  • CA Issuers - URI:http://r10.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Feb 3 13:38:35.088 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7B:74:AA:8E:23:DB:38:03:D8:8F:D4:1C:
  • F0:29:FC:A0:41:CB:C8:E3:AB:78:68:92:4C:C0:C7:BB:
  • 32:E3:78:28:02:21:00:A8:1D:C6:E9:D3:D8:8E:AC:5C:
  • E0:05:F5:86:EE:F3:FD:D5:49:3E:C7:E0:07:C2:B7:A3:
  • 73:1A:65:BC:9C:A0:FE
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
  • 1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
  • Timestamp : Feb 3 13:38:35.130 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:62:1B:B7:A4:EB:C3:96:8A:55:1A:95:81:
  • F3:84:52:E6:DE:43:7E:28:31:70:56:5A:D7:ED:0F:C4:
  • 2D:72:D5:4C:02:20:0B:AB:8B:6D:17:4C:4D:74:9E:E7:
  • 77:34:10:BE:E3:80:F5:AB:61:9F:2E:9B:33:18:E5:20:
  • 5B:8E:E6:50:FA:4C