SSL-Tools

SSL check results of dorfmuller.de

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Discover if the mail servers for dorfmuller.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 Tue, 23 Apr 2024 20:03:38 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.dorfmuller.de
2a01:4f8:c17:20d1::1
 10
supported
dorfmuller.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s
mail.dorfmuller.de
168.119.152.59
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s

Outgoing Mails

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

Certificates

First seen at:

CN=dorfmuller.de

Certificate chain
  • dorfmuller.de
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • dorfmuller.de
Alternative Names
  • *.dorfmuller.de
  • dorfmuller.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-03-14
Not valid after
2024-06-12
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E9:32:13:8D:CC:E6:3B:1A:D8:4F:EA:DA:D3:C8:CB:61:65:8F:AB:76:ED:07:11:C6:91:72:B9:15:6B:E7:A1:ED
SHA1
21:61:5D:6C:37:73:6E:57:F2:E8:A6:A6:C3:15:53:74:A0:E0:E0:00
X509v3 extensions
subjectKeyIdentifier
  • 31:8B:A3:AD:B7:20:5C:FA:89:AF:42:2B:7B:27:6E:3A:84:74:F1:54
authorityKeyIdentifier
  • keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
  • OCSP - URI:http://r3.o.lencr.org
  • CA Issuers - URI:http://r3.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
  • 67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
  • Timestamp : Mar 14 06:40:35.447 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:AC:C3:83:DF:5C:FA:9C:4F:7C:8D:59:
  • 1A:84:C0:FE:20:59:1E:FB:20:53:33:7A:1F:94:2D:BC:
  • BA:27:C9:16:A2:02:20:5A:76:0F:D7:94:47:54:6E:0F:
  • 65:8C:04:20:1A:B6:1C:C6:05:14:64:FD:E9:1D:44:79:
  • 05:E8:9D:11:C2:9D:97
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E2:BF:D6:1E:DE:2F:2F:07:A0:D6:4E:6D:37:A7:DC:
  • 65:43:B0:C6:B5:2E:A2:DA:B7:8A:F8:9A:6D:F5:17:D8
  • Timestamp : Mar 14 06:40:35.472 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:4D:B5:D5:2E:BF:B3:58:05:42:08:75:90:
  • AD:9F:15:2C:6D:2D:C4:C3:47:00:C5:66:CD:EA:B9:9C:
  • C3:D3:5E:1B:02:21:00:DA:30:D1:5F:47:2F:F8:EF:2F:
  • 90:42:E7:C2:81:AF:10:09:C3:1F:D1:61:91:52:C0:AE:
  • 3D:0F:3F:EF:9E:34:DC