SSL-Tools

SSL check results of mailprod12.osukiss.org

NEW You can also bulk check multiple servers.

Discover if the webservers of mailprod12.osukiss.org can be reached through a secure connection.

Summary

JSON Refresh

Report created Wed, 04 Feb 2026 18:30:34 +0000

The webservers of mailprod12.osukiss.org can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
mailprod12.osukiss.org
192.219.254.183
 mailprod12.osukiss.org
HSTS
unexpected EOF
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s

Certificates

First seen at:

CN=mailprod12.osukiss.org

Certificate chain
  • mailprod12.osukiss.org
    • 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)
  • mailprod12.osukiss.org
Alternative Names
  • mailprod12.osukiss.org
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • E7
validity period
Not valid before
2026-02-04
Not valid after
2026-05-05
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
  • TLS Web Client Authentication
Fingerprints
SHA256
B2:B8:92:A4:3C:AD:7F:41:17:49:A1:2A:C6:B9:8E:94:67:96:29:A8:54:D6:19:8D:CC:BF:23:10:F6:EC:6B:FC
SHA1
8C:9F:02:DB:35:D1:35:5B:00:DB:87:BE:EC:A3:5E:D3:70:AA:BC:11
X509v3 extensions
subjectKeyIdentifier
  • 40:FD:BB:EE:B1:AD:20:85:42:A9:FA:2E:E9:D7:3B:E0:94:94:0A:E0
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/89.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : 49:9C:9B:69:DE:1D:7C:EC:FC:36:DE:CD:87:64:A6:B8:
  • 5B:AF:0A:87:80:19:D1:55:52:FB:E9:EB:29:DD:F8:C3
  • Timestamp : Feb 4 15:28:11.835 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:79:82:27:80:2D:AE:4A:9A:2B:DD:CB:B2:
  • 18:F9:CD:D8:1D:D9:27:A5:50:E3:BC:61:C9:64:C1:5A:
  • 65:52:72:64:02:21:00:81:79:04:37:86:FC:E0:C9:FA:
  • 0A:86:AC:01:88:10:1D:9B:CB:3B:52:2E:E4:8E:FA:4A:
  • 47:A5:9D:83:A1:E1:45
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E:
  • F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7
  • Timestamp : Feb 4 15:28:11.847 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:21:00:9A:CD:7A:9C:1E:7A:DF:9C:BD:5F:88:
  • 58:86:C0:BB:35:23:2E:8A:86:05:3F:82:C6:81:3F:2D:
  • FA:E9:E4:74:EE:02:20:21:54:BB:5B:7B:02:79:37:12:
  • 87:5B:CD:08:C7:DC:96:33:F8:CA:1C:B5:A6:6A:85:52:
  • 41:AD:99:1E:EB:8F:61