SSL-Tools

SSL check results of lindbox.ru

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Discover if the mail servers for lindbox.ru 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 Wed, 16 Apr 2025 00:30:25 +0000

The mailservers of lindbox.ru can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @lindbox.ru addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
lindbox.ru
185.73.215.145
 10
supported
lindbox.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
3 s

Outgoing Mails

We have not received any emails from a @lindbox.ru address so far. Test mail delivery

Certificates

First seen at:

CN=lindbox.ru

Certificate chain
  • lindbox.ru
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E6
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • lindbox.ru
Alternative Names
  • lindbox.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E6
validity period
Not valid before
2025-03-28
Not valid after
2025-06-26
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
CF:FB:5C:BE:04:4D:66:26:97:8D:55:58:B8:3C:61:D9:FA:31:B1:EF:59:5E:E2:8D:9F:8C:32:83:56:9D:1B:E9
SHA1
F2:DE:2B:AE:6C:0B:CC:1F:D9:7C:D2:96:7B:C7:F1:FC:3C:81:FD:FF
X509v3 extensions
subjectKeyIdentifier
  • 2C:89:FA:4F:AD:7F:A3:36:6F:28:33:C7:76:14:E9:2B:B7:9A:74:42
authorityKeyIdentifier
  • keyid:93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
authorityInfoAccess
  • OCSP - URI:http://e6.o.lencr.org
  • CA Issuers - URI:http://e6.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e6.c.lencr.org/27.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
  • D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
  • Timestamp : Mar 28 10:05:35.841 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:12:61:7B:1D:1A:12:90:F5:58:F1:71:34:
  • 2F:52:FA:06:BC:5C:7C:5F:79:DA:77:B9:0F:E8:D0:07:
  • B5:96:CF:E8:02:21:00:D4:76:9D:78:49:27:A5:A6:90:
  • 9E:F6:CF:61:37:0F:89:F3:E1:28:4C:DF:91:7A:9E:D3:
  • 49:F9:EA:18:FB:BB:86
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
  • 1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
  • Timestamp : Mar 28 10:05:37.827 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:75:52:23:F9:4B:68:87:2D:21:E5:D4:D8:
  • 8C:DA:58:70:BA:49:A2:61:AE:D3:92:78:0A:D2:D1:80:
  • 34:39:E3:A6:02:21:00:FF:46:D2:09:B6:E8:95:E8:12:
  • 9B:47:B4:C1:80:7D:4E:74:BE:B0:21:4A:E8:E4:F8:12:
  • D2:D2:3D:89:F1:CE:8B