SSL-Tools

SSL check results of mail.mduka.co.ke

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Discover if the mail servers for mail.mduka.co.ke 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 Sat, 27 Apr 2024 04:17:24 +0000

The mailservers of mail.mduka.co.ke can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.mduka.co.ke addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.mduka.co.ke
41.90.125.13
 -
supported
mail.mduka.co.ke
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
7 s

Outgoing Mails

We have not received any emails from a @mail.mduka.co.ke address so far. Test mail delivery

Certificates

First seen at:

CN=mail.mduka.co.ke

Certificate chain
  • mail.mduka.co.ke
    • remaining
    • 384 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.mduka.co.ke
Alternative Names
  • mail.mduka.co.ke
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-02-27
Not valid after
2024-05-27
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
AF:92:8C:FA:5C:0E:74:32:53:1F:B1:8D:4B:9E:53:31:FC:D7:0E:E4:9C:07:B7:7A:D3:19:BF:99:C3:00:E8:D0
SHA1
B0:EB:15:14:09:0D:9C:F0:8E:3C:0B:DB:6D:54:4A:31:3B:DB:28:4C
X509v3 extensions
subjectKeyIdentifier
  • 1D:4B:17:10:A1:39:23:99:B1:B8:CD:03:47:8B:2A:7F:BF:91:82:71
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 : Feb 27 15:48:12.768 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:84:AA:8B:23:FD:BF:FC:F9:AD:8D:2E:
  • 8C:4D:86:55:71:42:05:FF:9A:E7:6C:D6:9F:E8:9D:6B:
  • 0F:FC:04:5A:EE:02:20:6B:05:BD:68:9A:26:3F:6A:11:
  • A8:8B:68:74:67:D7:4A:43:49:B6:9A:2B:AC:D7:CD:D9:
  • B9:BC:30:0A:D3:29:F9
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
  • 32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
  • Timestamp : Feb 27 15:48:12.769 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:4F:1A:6D:F8:1C:9F:3F:A0:1F:91:EC:E8:
  • D5:B4:6C:D8:34:DE:76:00:51:1A:8F:7D:D3:DD:AB:48:
  • 0F:95:AE:43:02:21:00:E7:63:C6:7F:51:DB:05:3B:94:
  • 60:27:B2:00:E1:CE:3E:42:53:C8:79:5A:6D:DF:29:9D:
  • 14:60:C4:C8:8E:F5:27