SSL-Tools

SSL check results of astranav.ru

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Discover if the mail servers for astranav.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 Mon, 20 Oct 2025 05:01:50 +0000

No connection to the mailservers of astranav.ru could be established.

Servers

Incoming Mails

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

Hostname / IP address Priority STARTTLS Certificates Protocol
astranav.ru
217.150.59.173
Results incomplete
10
supported
astranav.ru
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
2 s

Outgoing Mails

We have received emails from these servers with @astranav.ru sender addresses. Test mail delivery

Host TLS Version & Cipher
astranav.ru (217.150.59.173)
TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256

Certificates

First seen at:

CN=astranav.ru

Certificate chain
  • astranav.ru
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • E7
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • astranav.ru
Alternative Names
  • astranav.ru
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E7
validity period
Not valid before
2025-10-20
Not valid after
2026-01-18
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
03:0B:1D:DF:5B:75:28:53:B6:E6:DA:E1:93:19:01:F1:E8:76:C6:7F:DC:B3:62:C6:E4:83:B2:3E:2A:D3:3C:92
SHA1
1B:A4:8A:E4:76:4D:3B:7F:D6:D6:FA:B9:07:09:92:85:35:D5:84:EC
X509v3 extensions
subjectKeyIdentifier
  • 25:CD:33:31:BA:52:1A:58:03:AD:2E:E6:FC:BC:5E:6C:93:02:9F:FD
authorityKeyIdentifier
  • keyid:AE:48:9E:DC:87:1D:44:A0:6F:DA:A2:E5:60:74:04:78:C2:9C:00:80
authorityInfoAccess
  • CA Issuers - URI:http://e7.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e7.c.lencr.org/50.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
  • 4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
  • Timestamp : Oct 20 04:45:23.735 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:CB:B3:D4:64:6C:A2:0D:82:13:D9:53:
  • 21:66:74:D5:76:09:3E:91:99:5E:8B:2B:BD:A4:44:20:
  • A3:2F:BF:6C:A3:02:21:00:A4:6E:99:8A:FB:46:B4:F2:
  • 14:BB:C7:FD:E6:E2:0D:2A:C2:25:2E:A9:CA:1A:60:C8:
  • 12:73:E6:78:CB:ED:C4:E8
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 96:97:64:BF:55:58:97:AD:F7:43:87:68:37:08:42:77:
  • E9:F0:3A:D5:F6:A4:F3:36:6E:46:A4:3F:0F:CA:A9:C6
  • Timestamp : Oct 20 04:45:23.798 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:7B:81:09:6A:EF:C1:D9:77:B5:76:5E:E1:
  • 3D:A5:46:82:C4:A3:B9:47:8A:91:82:48:B3:21:B3:82:
  • B3:58:2A:CD:02:21:00:C9:AB:0E:6E:DB:F7:B4:B6:95:
  • E4:FA:BD:DB:15:BF:CC:54:69:50:CE:E1:23:5B:02:06:
  • D5:A1:DB:78:08:79:F5