SSL-Tools

SSL check results of cetecol.com.br

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Discover if the mail servers for cetecol.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 Sat, 15 Jan 2022 02:31:15 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
cetecol.com.br
50.116.87.213
 0
supported
*.cetecol.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
41 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.cetecol.com.br

Certificate chain
  • *.cetecol.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)
  • *.cetecol.com.br
Alternative Names
  • *.cetecol.com.br
  • cetecol.com.br
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-11-30
Not valid after
2022-02-28
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
9E:F7:F8:71:EA:F8:ED:5A:16:6A:3C:CA:FA:FB:77:EB:E6:E9:8A:A2:0D:49:E5:3F:E3:C7:B4:FD:B4:B5:2B:BB
SHA1
D7:2E:A3:5F:1B:C9:A7:44:52:0A:D7:C5:EC:80:BA:0F:B0:9F:C1:17
X509v3 extensions
subjectKeyIdentifier
  • 4B:F2:F6:1D:0C:8B:D1:DA:AB:B0:D3:CB:FF:5A:CD:90:62:94:7A:62
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
  • Policy: 1.3.6.1.4.1.44947.1.1.1
  • CPS: http://cps.letsencrypt.org
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
  • BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
  • Timestamp : Nov 30 10:08:11.516 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:A6:C0:E3:63:3A:CD:CC:83:9D:C7:B2:
  • B2:57:39:DE:67:8C:2C:D7:EC:27:4C:6D:51:44:5A:E7:
  • AF:01:D6:8D:E4:02:20:28:2E:D5:A1:26:F7:CA:C0:0C:
  • A2:79:30:E6:08:B3:F1:6A:A9:0F:ED:5F:92:7F:10:3D:
  • 63:6C:31:88:F5:9B:3F
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DF:A5:5E:AB:68:82:4F:1F:6C:AD:EE:B8:5F:4E:3E:5A:
  • EA:CD:A2:12:A4:6A:5E:8E:3B:12:C0:20:44:5C:2A:73
  • Timestamp : Nov 30 10:08:12.028 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:A1:09:F1:34:70:45:B9:BB:DA:AE:5D:
  • A3:37:16:77:CB:2A:F4:1F:1A:72:22:36:DA:11:1E:45:
  • 2B:E1:A2:7D:95:02:21:00:87:ED:37:CB:C7:00:B6:31:
  • D0:E1:D7:99:AF:A3:07:CE:F4:63:4F:A9:8D:26:54:27:
  • 12:21:AB:62:5C:D8:4C:BD