SSL-Tools

SSL check results of tblsystems.co.nz

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Discover if the mail servers for tblsystems.co.nz 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, 19 Apr 2024 02:40:50 +0000

The mailservers of tblsystems.co.nz can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @tblsystems.co.nz addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
tblsystems.co.nz
120.89.83.100
 0
supported
tblsystems.co.nz
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
14 s

Outgoing Mails

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

Certificates

First seen at:

CN=tblsystems.co.nz

Certificate chain
  • tblsystems.co.nz
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • tblsystems.co.nz
Alternative Names
  • autoconfig.tblsystems.co.nz
  • autodiscover.tblsystems.co.nz
  • tblsystems.co.nz
  • www.tblsystems.co.nz
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-04-18
Not valid after
2024-07-17
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
CA:8D:45:2E:3A:74:10:A9:8D:0C:A1:D8:75:BA:CB:10:8D:42:9A:E9:6A:70:23:9D:33:8A:F6:DF:0F:CD:55:1F
SHA1
B3:A1:4D:EE:08:38:4E:6C:4F:16:02:1A:E4:7E:04:27:ED:31:A5:6D
X509v3 extensions
subjectKeyIdentifier
  • B2:81:9B:9B:B7:BA:BB:68:5F:6C:43:34:79:4F:D7:A5:3F:B1:09:4E
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 : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
  • 67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
  • Timestamp : Apr 18 23:33:20.424 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:F1:FC:8E:C2:C3:ED:49:5F:EF:21:C9:
  • 2E:A9:BA:CC:35:46:08:DD:F1:E0:24:B6:C5:9E:55:82:
  • 56:B2:61:E9:8E:02:21:00:FB:B2:4F:4E:A7:77:B7:8D:
  • 4F:98:F8:06:1A:C2:F7:A1:5E:FA:2D:57:84:8A:66:85:
  • 15:34:FD:33:42:38:05:C7
  • 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 18 23:33:20.466 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:86:AB:2F:D0:71:90:6C:A7:75:E3:7A:
  • E7:1D:7A:DC:C2:4C:C8:7A:A5:B6:12:78:BE:1D:2F:7B:
  • 3D:BD:89:B5:44:02:20:15:35:1E:B7:6E:C9:30:3F:C4:
  • 1C:15:56:A6:72:F9:83:59:11:91:F7:00:9A:70:6D:41:
  • 65:0E:7C:76:86:6A:1E