SSL-Tools

SSL check results of kogeneracja-poznan.pl

NEW You can also bulk check multiple servers.

Discover if the mail servers for kogeneracja-poznan.pl 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 Fri, 26 Apr 2024 09:50:10 +0000

The mailservers of kogeneracja-poznan.pl can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @kogeneracja-poznan.pl addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.kogeneracja-poznan.pl
137.74.6.29
 10
supported
kogeneracja-poznan.pl
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
4 s

Outgoing Mails

We have not received any emails from a @kogeneracja-poznan.pl address so far. Test mail delivery

Certificates

First seen at:

CN=kogeneracja-poznan.pl

Certificate chain
  • kogeneracja-poznan.pl
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • kogeneracja-poznan.pl
Alternative Names
  • *.kogeneracja-poznan.pl
  • kogeneracja-poznan.pl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-04-12
Not valid after
2024-07-11
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
C1:BC:7F:EA:E4:99:52:1B:F6:3C:AD:7A:87:3D:40:3A:3B:C7:F3:D6:C3:87:3A:74:B6:82:6F:AA:40:34:30:40
SHA1
60:AD:7C:63:88:55:DA:D7:46:E6:9B:C4:B9:BB:B2:32:FD:5A:19:93
X509v3 extensions
subjectKeyIdentifier
  • E0:DC:77:89:94:FB:EB:AC:AF:07:D3:7E:36:FE:00:F4:33:44:48:27
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 : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
  • 1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
  • Timestamp : Apr 12 10:19:28.754 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:F2:32:9C:D9:E6:78:6A:A4:62:4F:B1:
  • D8:17:CF:65:56:B7:67:15:DF:55:72:34:09:DF:7E:DE:
  • 70:C9:B7:23:CE:02:20:2C:17:50:0D:09:C6:07:2A:25:
  • C0:AB:CB:D2:F6:C2:59:D1:06:6C:84:D6:1F:DB:BF:D8:
  • 5D:34:C6:86:36:8B:12
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34:
  • B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74
  • Timestamp : Apr 12 10:19:28.843 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:6A:DF:FA:80:1E:AF:EA:1A:79:60:90:7D:
  • 65:80:0B:9C:56:CC:E7:B3:7F:C9:39:D1:24:29:17:27:
  • F4:56:CE:7A:02:21:00:F7:41:4D:A6:02:A1:7B:7D:89:
  • 11:3A:15:2E:4E:9B:01:18:F5:66:22:27:56:96:D8:05:
  • D0:9B:A6:A7:A3:D4:5B