SSL-Tools

SSL check results of mail.tkfomento.com.br

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Discover if the mail servers for mail.tkfomento.com.br 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 Thu, 25 Apr 2024 21:29:10 +0000

The mailservers of mail.tkfomento.com.br can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @mail.tkfomento.com.br addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
tkfomento.com.br
162.222.225.172
 0
supported
tkfomento.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
44 s

Outgoing Mails

We have not received any emails from a @mail.tkfomento.com.br address so far. Test mail delivery

Certificates

First seen at:

CN=tkfomento.com.br

Certificate chain
  • tkfomento.com.br
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption
      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • tkfomento.com.br
Alternative Names
  • *.tkfomento.com.br
  • tkfomento.com.br
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-03-21
Not valid after
2024-06-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
13:A7:14:14:43:C1:4B:44:98:FC:AD:58:4C:BF:A3:A6:37:CB:4B:1B:8D:AE:C4:A3:D9:2C:AD:7C:EC:94:CE:FD
SHA1
98:EA:DE:30:E6:89:E4:F9:23:EE:4B:04:31:52:49:B2:FE:1D:92:21
X509v3 extensions
subjectKeyIdentifier
  • 63:DB:3A:49:65:7E:60:2D:7B:E8:05:ED:D5:96:26:12:5D:FD:F1:39
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 : Mar 21 04:54:15.792 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:78:65:B4:9F:8B:E7:07:57:3F:F9:79:98:
  • A9:CF:EE:62:BC:7A:C0:9A:7A:16:49:EC:88:FD:E9:F9:
  • AE:62:35:D8:02:20:0E:2E:B0:9D:D5:49:84:DC:A8:18:
  • 39:C9:D0:2A:11:C0:54:9F:4B:07:95:60:2C:E9:9F:6C:
  • A5:3D:B4:85:64:09
  • 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 21 04:54:15.802 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:05:86:47:0B:74:97:E9:4A:A7:14:04:ED:
  • 4F:99:33:A8:71:AE:C4:26:1A:CA:EC:E4:48:35:D8:68:
  • BD:6E:64:E4:02:21:00:80:EE:E8:AA:B5:C4:0B:E1:F7:
  • AD:10:AD:28:87:6D:1C:9B:AD:48:43:56:6F:80:3A:E4:
  • C8:72:21:17:07:29:3E