SSL-Tools

SSL check results of astanov.com

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Discover if the mail servers for astanov.com 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

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Report created Sat, 26 Jul 2025 00:30:07 +0000

The mailservers of astanov.com can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @astanov.com addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
mail.astanov.com
89.58.15.213
 10
supported
mail.astanov.com
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
7 s

Outgoing Mails

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

Certificates

First seen at:

CN=mail.astanov.com

Certificate chain
  • mail.astanov.com
    • remaining
    • 384 bit
    • ecdsa-with-SHA384
      • E5
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
Subject
Common Name (CN)
  • mail.astanov.com
Alternative Names
  • mail.astanov.com
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E5
validity period
Not valid before
2025-06-18
Not valid after
2025-09-16
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
CB:6E:4C:08:19:5C:D1:17:75:DE:15:0B:02:D1:82:2A:60:CA:B0:15:62:44:71:D6:3E:A7:EF:42:A7:DF:9C:D1
SHA1
E6:A8:94:5E:0F:2F:A1:12:69:EF:CD:07:2F:CB:C5:70:FA:42:49:40
X509v3 extensions
subjectKeyIdentifier
  • 62:3D:FB:41:CC:87:CD:B2:DC:51:C4:68:E3:72:C8:B7:B9:36:AD:B8
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/87.crl
ct_precert_scts
  • 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 : Jun 18 21:41:09.584 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:8A:83:B8:47:10:20:8E:D2:97:FD:9E:
  • CD:56:CF:7B:D7:10:D3:84:23:59:1A:18:62:42:B6:ED:
  • 53:84:BD:FA:D7:02:21:00:89:79:74:9F:23:55:62:5A:
  • B1:71:23:EC:C9:68:37:9D:71:11:EF:F8:99:EB:33:36:
  • 67:E0:68:8F:EF:43:06:8A
  • 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 : Jun 18 21:41:11.518 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:15:24:75:32:78:22:98:44:71:04:05:B1:
  • 4C:C8:B8:6E:B6:DF:25:57:05:40:F6:B0:CE:E6:BD:D3:
  • F4:5E:B8:FE:02:20:21:F0:C7:4C:55:3B:BE:CA:74:FE:
  • 80:E2:79:F0:C7:2B:AD:5D:BC:C2:E4:7F:61:2A:AA:C2:
  • 66:7C:73:8F:96:FC