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, 11 Aug 2025 06:33:54 +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
      • E5
        • 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)
  • E5
validity period
Not valid before
2025-07-23
Not valid after
2025-10-21
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
23:05:9C:69:9E:9E:7F:9E:C5:41:28:BB:AD:52:DB:2A:E3:03:02:2A:04:25:AD:9A:38:91:E9:1A:7E:63:76:5A
SHA1
A7:C8:B4:84:F9:04:58:FC:5F:BE:55:8A:28:DB:3E:FB:81:6C:64:52
X509v3 extensions
subjectKeyIdentifier
  • CF:DB:EE:B4:86:EA:DE:15:E8:62:D5:58:29:26:08:20:F0:7C:69:CA
authorityKeyIdentifier
  • keyid:9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
authorityInfoAccess
  • CA Issuers - URI:http://e5.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e5.c.lencr.org/49.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
  • 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
  • Timestamp : Jul 23 05:02:11.748 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:6A:73:6B:74:1D:52:7B:8B:0D:B6:1E:C9:
  • 70:F0:F1:A7:F6:37:AE:EC:DF:71:4D:18:33:28:63:BE:
  • 8E:FF:F1:46:02:21:00:C7:E2:21:BB:E2:CC:B7:15:DD:
  • 10:4B:FD:4A:B3:28:6E:D2:E8:2C:3A:7D:FD:23:6C:60:
  • 62:23:3F:E8:FF:88:FA
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
  • 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
  • Timestamp : Jul 23 05:02:13.813 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:41:CC:F1:4A:63:7B:68:05:B5:B5:4D:FA:
  • 60:59:33:2F:5C:07:07:5B:02:4D:2B:C2:64:00:E3:EE:
  • 84:87:2F:A9:02:20:39:18:FB:2B:39:92:29:59:9E:47:
  • 72:88:2F:F1:E8:CB:1E:EA:42:8D:96:FD:A0:3F:7D:C5:
  • C4:66:0B:92:88:FD