SSL-Tools

SSL check results of smtp02.iok.net

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Discover if the mail servers for smtp02.iok.net 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, 02 Sep 2026 14:01:09 +0000

The mailservers of smtp02.iok.net can be reached through a secure connection.

Servers

Incoming Mails

These servers are responsible for incoming mails to @smtp02.iok.net addresses.

Hostname / IP address Priority STARTTLS Certificates Protocol
smtp02.iok.net
217.160.68.213
 -
supported
*.iok.net
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
1 s

Outgoing Mails

We have not received any emails from a @smtp02.iok.net address so far. Test mail delivery

Certificates

First seen at:

CN=*.iok.net

Certificate chain
Subject
Common Name (CN)
  • *.iok.net
Alternative Names
  • *.iok.net
  • iok.net
Issuer
Country (C)
  • US
Organization (O)
  • DigiCert Inc
Organizational Unit (OU)
  • www.digicert.com
Common Name (CN)
  • RapidSSL TLS RSA CA G1
validity period
Not valid before
2025-10-09
Not valid after
2026-10-04
This certifcate has been verified for the following usages:
  • Digital Signature
  • Key Encipherment
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
1F:78:F4:01:30:C5:60:6F:89:7D:04:1C:87:89:07:81:DA:50:CB:4F:4F:24:9A:B7:28:AD:15:71:49:A7:1F:B8
SHA1
F7:43:8C:B3:09:E5:EB:BE:C1:08:78:FF:26:1B:89:EA:51:5B:FE:8F
X509v3 extensions
authorityKeyIdentifier
  • keyid:0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
  • 92:99:2D:37:9A:36:31:74:A2:B6:BA:B0:EB:B4:E6:C5:BC:BB:76:60
certificatePolicies
  • Policy: 2.23.140.1.2.1
  • CPS: http://www.digicert.com/CPS
crlDistributionPoints
  • Full Name:
  • URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
  • OCSP - URI:http://status.rapidssl.com
  • CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:
  • 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77
  • Timestamp : Oct 9 12:44:41.993 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:78:00:DD:50:B0:2A:2F:D2:8C:49:46:09:
  • A5:30:8E:64:A0:6A:2A:B8:FC:ED:A4:32:B6:14:54:1C:
  • 18:AC:85:08:02:20:14:3B:FC:02:61:A5:A2:EF:CF:23:
  • D4:2B:C7:70:D4:5A:FC:B0:3C:45:1D:32:FA:98:42:5B:
  • 4F:E9:C4:EA:7D:FF
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:
  • C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD
  • Timestamp : Oct 9 12:44:42.038 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:C8:C6:CA:B1:8A:F3:E5:D2:73:C6:FD:
  • A5:26:18:4C:C5:75:BD:60:57:59:CD:01:02:60:A2:90:
  • BC:F1:A5:47:FC:02:21:00:8A:AF:D4:9A:51:AE:C3:7E:
  • 77:EF:05:1C:AD:70:68:1D:A7:7F:1A:0D:CD:7C:D0:B1:
  • 9F:0D:A5:4C:F8:93:23:BA
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65:
  • 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8
  • Timestamp : Oct 9 12:44:42.056 2025 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:61:99:37:49:7D:C2:0D:E1:AA:4F:A5:4D:
  • 5F:3D:B1:BF:C9:C0:57:9A:26:53:72:7D:B0:80:7A:3C:
  • DC:BD:93:55:02:21:00:FC:BC:D0:99:17:EA:1A:D0:A6:
  • 8D:74:88:B2:01:7D:3D:58:13:2F:95:B1:1A:3B:D5:57:
  • C1:69:F7:A8:F6:2B:1E