SSL-Tools

SSL check results of bivgroup.ru

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Discover if the mail servers for bivgroup.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 Jul 2025 00:30:12 +0000

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

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.bivgroup.ru
81.163.19.135
 10
supported
mail.bivgroup.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • TLSv1.1
  • TLSv1.0
  • SSLv3
8 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.bivgroup.ru

Certificate chain
  • mail.bivgroup.ru
    • remaining
    • 4096 bit
    • sha256WithRSAEncryption
      • R10
        • remaining
        • 2048 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.bivgroup.ru
Alternative Names
  • autoconfig.bivgroup.ru
  • autodiscover.bivgroup.ru
  • mail.bivgroup.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • R10
validity period
Not valid before
2025-07-12
Not valid after
2025-10-10
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
95:DE:33:F1:34:D0:B3:B0:3A:6E:02:14:52:83:1C:09:E5:D6:F3:67:83:9C:31:DC:02:59:F1:19:70:BD:92:A1
SHA1
62:B1:CD:B4:05:69:F0:A0:A3:B2:D2:44:38:0D:79:6E:03:4B:36:4A
X509v3 extensions
subjectKeyIdentifier
  • 0E:6B:B0:91:A4:83:76:D6:33:16:F6:2A:53:88:8B:46:D8:67:60:9D
authorityKeyIdentifier
  • keyid:BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
  • CA Issuers - URI:http://r10.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://r10.c.lencr.org/104.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
  • 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
  • Timestamp : Jul 12 21:08:46.072 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E1:E0:98:B3:EB:FC:F5:DE:07:42:62:
  • 2E:92:44:99:3D:BA:3B:15:E0:E5:2E:84:76:7E:F9:CE:
  • 6B:BE:49:A4:BE:02:21:00:D7:4E:03:E6:E9:01:62:A7:
  • 27:5B:8C:34:04:30:39:50:43:6E:49:A0:A8:1F:23:91:
  • 16:F3:C1:D3:75:6F:14:05
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
  • F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
  • Timestamp : Jul 12 21:08:46.073 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:E2:EB:B9:73:8A:A7:40:E4:78:5E:33:
  • 92:99:9C:D3:92:55:FD:29:52:FC:A8:02:7D:CD:08:DA:
  • 36:B2:E7:BC:4B:02:21:00:F2:E1:E5:6B:8C:7A:8E:33:
  • F4:4F:95:33:99:B0:B1:FB:B8:9F:38:62:A6:A0:D2:99:
  • 7C:01:59:1F:93:13:C1:22