SSL check results of siscompany.com.br

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Discover if the mail servers for siscompany.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

Report created Sat, 15 Jan 2022 01:05:20 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
siscompany.com.br
216.172.173.9
0
supported
*.siscompany.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 @siscompany.com.br address so far. Test mail delivery

Certificates

First seen at:

CN=*.siscompany.com.br

Certificate chain
  • *.siscompany.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)
  • *.siscompany.com.br
Alternative Names
  • *.siscompany.com.br
  • siscompany.com.br
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2021-11-21
Not valid after
2022-02-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
93:89:84:55:92:F8:00:B6:3D:D5:9F:E2:D5:C9:D6:66:EE:7B:47:4A:17:AC:DC:37:92:2A:C5:10:AE:C0:98:94
SHA1
2D:5E:15:27:AC:49:2C:44:CF:9A:17:2A:48:E4:E7:7C:3B:03:03:EF
X509v3 extensions
subjectKeyIdentifier
  • 5A:EB:BB:0D:5A:93:1F:6D:C8:0E:41:14:C8:2A:0F:6E:16:CC:B2:04
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 22 00:45:27.330 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:08:2E:6C:18:0C:33:40:41:75:D9:A3:47:
  • 54:7D:0F:2B:C6:ED:36:55:C0:69:4E:66:36:0A:58:45:
  • 9D:48:FA:29:02:20:73:2C:6B:5C:0D:10:5C:86:AA:B4:
  • 81:21:0C:5B:D6:03:88:42:02:27:F9:5F:9D:B6:A5:54:
  • BC:26:B9:00:5C:10
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 6F:53:76:AC:31:F0:31:19:D8:99:00:A4:51:15:FF:77:
  • 15:1C:11:D9:02:C1:00:29:06:8D:B2:08:9A:37:D9:13
  • Timestamp : Nov 22 00:45:27.384 2021 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:01:8E:4B:34:70:0E:43:1B:A6:79:2A:A3:
  • E2:7C:59:15:62:EA:25:B4:DD:B9:C0:67:2D:6C:7E:1F:
  • 48:93:10:57:02:20:1B:72:06:C8:39:14:2F:86:C4:40:
  • 0A:E3:53:EF:BC:75:03:1B:D0:5C:A3:85:4A:0F:F9:A5:
  • E5:47:D3:18:21:4E