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 Wed, 15 Apr 2026 10:40:10 +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
1 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
      • E8
        • 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)
  • E8
validity period
Not valid before
2026-01-19
Not valid after
2026-04-19
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
BD:9B:5C:CD:0D:8E:B8:EC:2D:6E:44:3A:7D:22:0A:CC:A0:7B:02:F5:25:69:5C:AF:58:38:5D:A2:0A:D7:B7:42
SHA1
70:4D:E4:63:84:8D:F4:BA:A9:B4:0C:7E:EE:E3:CE:75:9A:DE:DC:3C
X509v3 extensions
subjectKeyIdentifier
  • 80:2B:EE:BA:5A:FA:6B:97:56:E8:6E:07:10:DE:3D:8C:3A:0D:B8:4D
authorityKeyIdentifier
  • keyid:8F:0D:13:A2:F6:2E:7E:D1:50:6C:33:18:38:5D:59:8E:23:72:91:CA
authorityInfoAccess
  • CA Issuers - URI:http://e8.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e8.c.lencr.org/36.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 16:83:2D:AB:F0:A9:25:0F:0F:F0:3A:A5:45:FF:C8:BF:
  • C8:23:D0:87:4B:F6:04:29:27:F8:E7:1F:33:13:F5:FA
  • Timestamp : Jan 19 04:17:35.146 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:14:18:2F:C3:A3:2B:DB:67:F7:DE:28:55:
  • 41:90:AD:50:8A:D0:10:3E:D5:2F:B2:3B:E1:D9:47:7B:
  • CC:A7:C0:DA:02:20:66:A6:07:97:DE:C9:17:99:72:90:
  • 9F:47:75:F6:DF:C3:EE:04:EF:FD:10:BB:10:56:FF:66:
  • 99:72:A5:1B:DB:BD
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A5:C9:78:92:5D:57:46:17:82:87:0D:D8:89:66:0B:5C:
  • 55:64:8B:7D:00:40:F2:EC:07:68:51:D1:88:69:19:F7
  • Timestamp : Jan 19 04:17:35.830 2026 GMT
  • Extensions: 00:00:05:00:2F:6D:3E:59
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:1F:48:AF:70:7D:44:8A:E6:F1:95:08:3B:
  • D9:9B:60:45:94:D4:47:BF:DD:AF:14:B9:4A:9E:A9:96:
  • 4A:D9:D8:FB:02:20:6A:DB:74:07:8B:0F:DE:44:3D:93:
  • 4C:26:F8:43:51:F1:AD:38:D7:A0:71:AD:9F:B8:B5:93:
  • F1:03:2A:D2:00:1A