SSL-Tools

SSL check results of kundenmail.greven.de

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Discover if the mail servers for kundenmail.greven.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 Wed, 10 Sep 2025 00:30:08 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mr07.oevermann.de
87.79.4.6
 10
supported
kundenmail.greven.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=kundenmail.greven.de

Certificate chain
  • kundenmail.greven.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)
  • kundenmail.greven.de
Alternative Names
  • kundenmail.greven.de
  • mr07.oevermann.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R10
validity period
Not valid before
2025-08-04
Not valid after
2025-11-02
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AA:4B:F7:97:27:9C:85:81:E2:25:2C:48:0B:8C:12:E8:A8:8A:3E:DB:DA:79:46:1A:DC:22:0E:4D:90:8C:8A:97
SHA1
B1:A4:30:27:69:FC:D8:BE:41:AB:B2:27:9A:A5:19:2B:D9:24:D0:8F
X509v3 extensions
subjectKeyIdentifier
  • 6F:D3:6C:9B:45:7B:CC:69:AF:93:E9:84:A7:B3:68:48:62:6E:A2:65
authorityKeyIdentifier
  • keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
  • CA Issuers - URI:http://r10.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r10.c.lencr.org/120.crl
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 : Aug 4 07:49:33.555 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:01:14:DB:BE:14:DE:70:ED:88:60:5B:BA:
  • 26:CB:62:EB:3F:C2:31:A9:19:BE:F6:58:18:54:32:CE:
  • C0:BE:D6:CA:02:21:00:EC:7F:F2:DD:B6:79:D0:0B:38:
  • 5B:56:EB:DD:D5:B0:DA:A9:52:2D:4E:B0:8A:C5:B9:24:
  • 3A:D7:91:16:F9:04:06
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
  • 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
  • Timestamp : Aug 4 07:49:35.543 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A6:4C:10:3C:E5:A1:25:36:FA:57:38:
  • 75:EF:AC:9E:8A:42:AA:39:E9:A0:19:A6:68:D1:4F:6F:
  • 10:E1:EC:D6:98:02:20:73:B0:8F:6E:BE:42:35:5E:36:
  • EE:97:18:59:01:47:F3:05:9A:17:7B:72:B6:D8:E5:77:
  • 15:01:7A:64:94:A5:1F