SSL-Tools

SSL check results of alumenlux.com.br

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Discover if the mail servers for alumenlux.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 Fri, 24 May 2024 09:04:18 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.alumenlux.com.br
108.179.253.242
 0
supported
*.alumenlux.com.br
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
42 s

Outgoing Mails

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

Certificates

First seen at:

CN=*.alumenlux.com.br

Certificate chain
  • *.alumenlux.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)
  • *.alumenlux.com.br
Alternative Names
  • *.alumenlux.com.br
  • alumenlux.com.br
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-05-14
Not valid after
2024-08-12
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
79:88:D8:21:5E:1A:6F:6D:C5:6F:F4:B3:7A:41:1F:1C:CF:66:F3:93:30:6F:0B:C3:66:A2:19:89:17:E1:70:01
SHA1
6C:53:90:21:3E:A7:D9:F8:54:3A:8E:78:46:49:8B:64:9D:D8:AF:5C
X509v3 extensions
subjectKeyIdentifier
  • 40:F2:ED:C9:1C:C0:17:FC:3B:37:02:FB:E6:EC:FF:ED:C2:E8:C9:D6
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 : May 14 12:33:47.564 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:45:13:C3:A2:CB:C7:FF:53:9A:0D:E4:8F:
  • C9:00:3F:53:71:D0:97:BF:0C:61:BA:7C:B3:4D:93:F4:
  • 16:CA:66:26:02:21:00:95:1D:65:11:E7:B6:0A:C4:B0:
  • A3:5B:69:BC:F2:B6:03:17:55:8A:E5:15:B2:70:61:14:
  • 46:1C:05:EC:B6:D4:54
  • 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 : May 14 12:33:47.610 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:22:C2:A2:FB:15:B8:29:F5:DE:BE:D5:DC:
  • BE:4B:14:35:96:AC:71:3A:0F:3B:18:DF:19:D2:6A:12:
  • 8D:22:B5:C6:02:20:2A:55:1D:8A:A6:EF:48:2D:0D:75:
  • 4C:7D:DA:0D:C3:91:E3:F8:05:6D:60:2C:95:91:79:A9:
  • E3:EC:4F:0B:65:F5