SSL check results of smtp.indigo-ledobur.ru

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Discover if the mail servers for smtp.indigo-ledobur.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

Report created Mon, 08 Apr 2024 02:10:43 +0000

The mailservers of smtp.indigo-ledobur.ru can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp.indigo-ledobur.ru addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp.indigo-ledobur.ru
94.230.125.89
-
supported
smtp.indigo-ledobur.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • SSLv3
5 s

Outgoing Mails

We have not received any emails from a @smtp.indigo-ledobur.ru address so far. Test mail delivery

Certificates

First seen at:

CN=smtp.indigo-ledobur.ru

Certificate chain
  • smtp.indigo-ledobur.ru
    • remaining
    • 2048 bit
    • sha256WithRSAEncryption

      • R3
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption

          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption

Subject
Common Name (CN)
  • smtp.indigo-ledobur.ru
Alternative Names
  • smtp.indigo-ledobur.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R3
validity period
Not valid before
2024-03-26
Not valid after
2024-06-24
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
7E:DF:A7:00:33:97:81:ED:CD:73:DC:D9:FF:B2:37:E2:6D:8D:70:38:5A:2B:E1:17:29:05:2D:B9:D8:AE:A0:22
SHA1
AE:84:38:E0:A6:C5:2E:89:F0:CD:24:BD:F0:D5:95:C0:0F:F0:10:CB
X509v3 extensions
subjectKeyIdentifier
  • 2F:9B:70:76:73:F7:25:B8:D7:7D:32:1D:D3:6C:E0:A0:AD:8E:63:E3
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 26 05:20:20.067 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1B:82:78:D1:1F:4F:1A:34:E8:63:15:B3:
  • 99:EE:A3:2B:E8:58:1E:2E:EE:B1:E6:7B:A8:89:03:6B:
  • 02:7B:EB:3D:02:21:00:C2:55:5E:F2:11:D8:E9:EB:03:
  • 2A:16:1E:CB:DF:85:03:CD:E5:83:E6:AA:A7:07:1B:F1:
  • 3E:30:4A:29:B8:A5:AE
  • 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 26 05:20:20.136 2024 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:66:45:0C:99:B7:B1:06:4D:A6:01:50:9C:
  • D3:98:3D:D8:18:C8:A7:14:33:B6:94:4F:63:33:A4:A9:
  • 60:DD:33:31:02:21:00:BC:54:26:36:0F:69:C0:8A:09:
  • AB:FC:3F:29:9D:2B:03:EC:8F:B8:27:1C:0F:2B:1A:23:
  • 3D:DB:CD:27:31:A2:5E