SSL-Tools

SSL check results of berfuh.org

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Discover if the mail servers for berfuh.org 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, 02 Aug 2025 14:46:09 +0000

We can not guarantee a secure connection to the mailservers of berfuh.org!

Please contact the operator of berfuh.org and ask him or her to solve this problem. This result stays accessible under the following address:

/mailservers/berfuh.org

Servers

Incoming Mails

These servers are responsible for incoming mails to @berfuh.org addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.berfuh.org
2a02:810d:2600:9400:be24:11ff:fe48:ed50
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s
mail.berfuh.org
82.165.65.227
 10
supported
mail.berfuh.org
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.berfuh.org,OU=mailcow,O=mailcow,L=Willich,ST=NRW,C=DE

Certificate chain
  • mail.berfuh.org (Certificate is self-signed.)
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
    • Unknown Authority
Subject
Country (C)
  • DE
State (ST)
  • NRW
Locality (L)
  • Willich
Organization (O)
  • mailcow
Organizational Unit (OU)
  • mailcow
Common Name (CN)
  • mail.berfuh.org
Issuer

Certificate is self-signed.

validity period
Not valid before
2025-08-02
Not valid after
2026-08-02
Fingerprints
SHA256
53:4B:93:6A:D2:12:AC:FD:87:A9:6B:AB:42:0D:CD:1C:55:CD:20:03:57:AE:3D:8B:12:D8:AB:51:53:75:80:D0
SHA1
0F:72:00:58:B0:A3:B7:88:82:2A:2D:85:24:B7:CE:E4:C4:7F:14:B8
X509v3 extensions
subjectKeyIdentifier
  • 2A:AE:B2:47:FA:F7:3A:C1:FA:B9:24:39:F6:ED:DA:EC:83:D4:0D:F6
authorityKeyIdentifier
  • keyid:2A:AE:B2:47:FA:F7:3A:C1:FA:B9:24:39:F6:ED:DA:EC:83:D4:0D:F6