SSL-Tools

SSL check results of nilshelbig.de

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Discover if the mail servers for nilshelbig.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 Mon, 19 May 2025 00:31:30 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.3sail.de
2a01:239:33c:ba00::1
 10
supported
mail.3sail.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
9 s
mail.3sail.de
217.160.124.211
 10
supported
mail.3sail.de
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
5 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.3sail.de

Certificate chain
  • mail.3sail.de
    • 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)
  • mail.3sail.de
Alternative Names
  • mail.3sail.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E6
validity period
Not valid before
2025-04-22
Not valid after
2025-07-21
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
E5:EF:5C:44:36:92:D4:A5:89:37:E5:74:D0:69:E9:FF:F2:16:33:0B:9D:F5:E0:96:B5:71:9E:98:7C:1F:88:D1
SHA1
8B:CD:1D:FA:1D:BF:B2:F8:B3:2A:A2:81:DB:D0:B7:77:FF:FE:99:69
X509v3 extensions
subjectKeyIdentifier
  • 6E:18:BF:FA:9A:CE:5B:E6:E1:57:E0:CB:47:C0:59:08:F3:96:C6:F2
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
crlDistributionPoints
  • Full Name:
  • URI:http://e6.c.lencr.org/55.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : Apr 22 12:10:28.590 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:9C:05:85:B5:FA:A7:07:50:00:0E:5C:
  • 1F:35:E1:08:DB:4C:F9:8E:AF:89:26:7A:75:7F:20:E6:
  • 5A:87:B7:EC:D5:02:20:34:9B:51:F1:32:D8:C7:98:A5:
  • 12:1C:C2:D0:A4:0B:63:B6:CF:A9:4F:50:A2:40:AD:5F:
  • 7E:F7:EF:1B:9B:8A:5F
  • 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 : Apr 22 12:10:30.613 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:89:BC:F2:B5:5F:0C:29:2B:1E:18:51:
  • 73:1F:D4:C9:B8:17:97:31:5F:B8:BB:B3:6F:3F:4B:87:
  • BC:1C:1F:2A:54:02:21:00:F3:10:F4:BD:B6:B3:C6:BA:
  • E6:65:AD:96:E8:34:63:BA:94:82:5D:4C:DA:4A:F8:CF:
  • B4:F2:B4:05:E3:F9:6F:11