SSL-Tools

SSL check results of ff-eidelstedt.de

NEW You can also bulk check multiple servers.

Discover if the mail servers for ff-eidelstedt.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, 26 Apr 2026 00:30:27 +0000

The mailservers of ff-eidelstedt.de can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @ff-eidelstedt.de addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.ff-eidelstedt.de
85.215.41.156
 10
supported
ff-eidelstedt.de
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 @ff-eidelstedt.de address so far. Test mail delivery

Certificates

First seen at:

CN=ff-eidelstedt.de

Certificate chain
  • ff-eidelstedt.de
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E7
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • ff-eidelstedt.de
Alternative Names
  • *.ff-eidelstedt.de
  • ff-eidelstedt.de
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E7
validity period
Not valid before
2026-04-25
Not valid after
2026-07-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
F8:73:DF:07:18:09:E1:FA:4A:BC:80:E4:23:E9:72:72:3C:18:5C:6C:0D:F1:14:90:34:B9:16:58:D9:39:9C:A8
SHA1
EF:13:DC:83:87:A2:5B:79:31:25:1B:FE:8E:C6:7A:9F:F7:1B:7B:17
X509v3 extensions
subjectKeyIdentifier
  • F9:72:4C:41:99:FE:96:41:0F:14:EE:78:44:F9:F8:0F:4B:E0:5A:83
authorityKeyIdentifier
  • keyid:AE:48:9E:DC:87:1D:44:A0:6F:DA:A2:E5:60:74:04:78:C2:9C:00:80
authorityInfoAccess
  • CA Issuers - URI:http://e7.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e7.c.lencr.org/21.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB:
  • B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14
  • Timestamp : Apr 25 19:48:28.977 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:64:71:FF:A3:55:5D:73:12:72:7D:F9:BA:
  • DE:72:CB:20:20:D7:96:D7:3F:8F:46:4C:5F:7A:E2:0F:
  • F5:48:70:F8:02:20:0D:20:6E:C0:12:B8:1E:27:F0:08:
  • 61:D7:7B:98:0C:AD:98:C8:5D:90:12:22:76:24:69:EF:
  • E9:04:17:6F:05:26
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37:
  • 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23
  • Timestamp : Apr 25 19:48:28.867 2026 GMT
  • Extensions: 00:00:05:00:0A:45:3F:8B
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:FD:6B:82:C5:0E:65:5A:CB:31:09:37:
  • A3:46:3C:B0:12:A0:5A:BF:C8:21:6F:37:2B:45:1C:42:
  • D7:00:CA:9C:BC:02:20:43:B6:B6:7F:23:E8:E4:B3:1F:
  • 8E:5D:B6:9E:87:6C:60:3D:B0:23:7D:CA:19:27:8E:AE:
  • B0:38:28:67:CA:B8:52