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SSL check results of andreae-net.de

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Discover if the mail servers for andreae-net.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 Sat, 07 Dec 2024 16:04:54 +0000

The mailservers of andreae-net.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @andreae-net.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail24.andreae.hamburg
2a01:4f8:c012:f5c5::1
 10
supported
mail24.andreae.hamburg
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s
mail24.andreae.hamburg
157.90.146.225
 10
supported
mail24.andreae.hamburg
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail24.andreae.hamburg

Certificate chain
  • mail24.andreae.hamburg
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E6
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail24.andreae.hamburg
Alternative Names
  • mail24.andreae.hamburg
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E6
validity period
Not valid before
2024-11-19
Not valid after
2025-02-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
77:26:35:B4:3F:46:3F:66:5E:D9:69:8B:F0:E6:04:D3:92:04:01:0D:BA:64:DB:E7:8A:7B:C5:11:2A:34:6B:58
SHA1
11:EB:82:7C:99:B0:8D:FE:99:96:F8:2C:ED:4D:E8:1B:C2:30:96:A8
X509v3 extensions
subjectKeyIdentifier
  • 71:0C:AB:7A:F6:45:0F:09:63:E9:57:CD:AE:BC:FC:05:08:15:DE:D9
authorityKeyIdentifier
  • keyid:93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
authorityInfoAccess
  • OCSP - URI:http://e6.o.lencr.org
  • CA Issuers - URI:http://e6.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
  • D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
  • Timestamp : Nov 19 07:19:59.493 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:2E:00:86:0F:FE:FF:EC:E8:31:62:2A:5A:
  • 8A:0F:F7:4C:DE:75:EE:3F:83:AB:47:3F:A9:6F:EC:C4:
  • 11:A4:57:09:02:20:76:91:71:0B:CC:41:6F:A7:44:A0:
  • 95:9C:44:25:C3:F6:D7:80:BE:C9:69:DF:3E:9C:88:76:
  • F9:C3:FD:66:02:BB
  • 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 : Nov 19 07:19:59.547 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:DA:DE:6C:93:47:92:3B:78:C5:D2:B6:
  • 02:04:A2:7D:B5:C4:4C:14:86:0E:EB:7E:53:32:84:DD:
  • 88:5A:32:38:89:02:20:24:21:4D:1F:9C:24:B6:38:02:
  • 72:94:75:8D:62:6E:DE:AB:E5:89:7C:35:FC:79:FD:97:
  • 05:E2:EF:B8:00:CC:13