SSL-Tools

SSL check results of nowoczesnapolska.org.pl

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Discover if the mail servers for nowoczesnapolska.org.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 Mon, 25 Mar 2024 17:11:55 +0000

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

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

/mailservers/nowoczesnapolska.org.pl

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
boleslaw.mdrn.pl
2001:41d0:602:3294::
Results incomplete
10 not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
11 s
boleslaw.mdrn.pl
51.83.143.148
 10
supported
imap.nowoczesnapolska.org.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 @nowoczesnapolska.org.pl address so far. Test mail delivery

Certificates

First seen at:

CN=imap.nowoczesnapolska.org.pl

Certificate chain
  • imap.nowoczesnapolska.org.pl
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
    • Hostname Mismatch
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • imap.nowoczesnapolska.org.pl
Alternative Names
  • imap.nowoczesnapolska.org.pl
  • mail.nowoczesnapolska.org.pl
  • smtp.nowoczesnapolska.org.pl
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-03-10
Not valid after
2024-06-08
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
2F:08:E4:33:90:28:30:1A:28:8A:79:60:59:A6:B2:5E:E6:91:DF:B4:3E:85:17:EB:C2:28:D2:4B:3D:0B:DE:B5
SHA1
71:5E:C8:4B:6D:9D:6B:16:46:BE:11:56:20:9C:81:E3:8B:34:51:9D
X509v3 extensions
subjectKeyIdentifier
  • 11:1A:7E:E8:74:5D:60:28:14:8B:DB:43:0A:A5:FD:8F:A8:95:1C:48
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 : A2:E2:BF:D6:1E:DE:2F:2F:07:A0:D6:4E:6D:37:A7:DC:
  • 65:43:B0:C6:B5:2E:A2:DA:B7:8A:F8:9A:6D:F5:17:D8
  • Timestamp : Mar 10 22:11:58.449 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:EB:9A:81:DC:10:8A:FC:DA:B9:9C:96:
  • 0E:C9:49:8A:90:7D:B0:3A:40:2E:13:78:46:4B:5A:9E:
  • CC:35:A3:53:27:02:21:00:9D:A4:19:FD:EC:40:D7:28:
  • 6D:50:73:FA:DA:F6:C1:C9:9B:BF:76:AE:A0:58:65:E4:
  • 91:25:99:F7:5B:7F:F7:C8
  • 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 : Mar 10 22:11:58.501 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:02:94:8E:CD:56:BB:71:69:74:76:76:A6:
  • F4:33:37:D2:06:46:2C:51:90:B3:F4:71:D8:DD:5C:5D:
  • 3B:81:C8:F0:02:21:00:FC:4F:28:52:88:22:D3:39:57:
  • 49:0B:32:7E:37:6B:96:9A:6F:8C:32:BC:AB:03:D8:03:
  • B1:58:40:B6:ED:0E:6A