SSL-Tools

SSL check results of www.learn.ac.lk

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Discover if the webservers of www.learn.ac.lk can be reached through a secure connection.

Summary

JSON Refresh

Report created Sat, 05 Sep 2026 17:01:57 +0000

The webservers of www.learn.ac.lk can be reached through a secure connection.

Servers

Hostname / IP address Certificates Protocol
www.learn.ac.lk
192.248.1.189
 www.ac.lk
HSTS
unexpected EOF
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s
www.learn.ac.lk
2401:dd00:1::189
Results incomplete
not checked
HSTS
not checked
DANE
missing
PFS
not checked
Heartbleed
not checked
Weak ciphers
not checked
1 s

Certificates

First seen at:

CN=www.ac.lk

Certificate chain
  • www.ac.lk
    • remaining
    • 256 bit
    • ecdsa-with-SHA384
      • YE1
        • remaining
        • 384 bit
        • ecdsa-with-SHA384
          • Root YE
            • remaining
            • 384 bit
            • ecdsa-with-SHA384
              • ISRG Root X2 (Certificate is self-signed.)
                • remaining
                • 384 bit
                • ecdsa-with-SHA384
Subject
Common Name (CN)
  • www.ac.lk
Alternative Names
  • gs.ac.lk
  • learn.ac.lk
  • www.ac.lk
  • www.learn.ac.lk
Issuer
Country (C)
  • US
Organization (O)
  • Let's Encrypt
Common Name (CN)
  • YE1
validity period
Not valid before
2026-08-23
Not valid after
2026-11-21
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
06:EE:1C:28:D3:C6:1F:2A:C0:4D:A3:3C:58:C3:7E:8F:66:2A:69:F9:1D:FA:6C:1B:99:B5:7C:F9:15:8B:09:88
SHA1
4B:83:B6:9A:73:11:44:75:6E:50:5A:1E:E7:2D:46:B5:2E:46:4B:FB
X509v3 extensions
subjectKeyIdentifier
  • 2F:47:C9:A8:D9:1F:E9:D4:66:D3:F9:BE:F4:2D:84:8A:4A:2F:2C:83
authorityKeyIdentifier
  • keyid:BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
authorityInfoAccess
  • CA Issuers - URI:http://ye1.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://ye1.c.lencr.org/114.crl
ct_precert_scts
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D:
  • E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A
  • Timestamp : Aug 23 22:50:28.251 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:1A:E2:94:7A:2C:20:E9:44:93:7E:65:29:
  • 0D:B2:B5:35:02:F2:6F:FF:35:87:3B:DD:EC:9C:B7:2B:
  • 28:CA:D6:54:02:21:00:DB:5C:EC:BF:BB:F8:59:1D:50:
  • 9D:FD:39:18:7B:7A:A7:CD:01:53:71:C6:A4:00:FB:3D:
  • D4:45:E0:B6:91:2B:B5
  • Signed Certificate Timestamp:
  • Version : v1 (0x0)
  • Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19:
  • D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27
  • Timestamp : Aug 23 22:50:28.692 2026 GMT
  • Extensions: 00:00:05:00:23:30:34:A4
  • Signature : ecdsa-with-SHA256
  • 30:45:02:20:78:00:4D:75:17:CF:A7:27:1B:B4:C5:2B:
  • 1A:EF:CD:02:6B:2E:8A:B0:3A:D0:70:9C:86:D0:EF:57:
  • 8D:09:85:EB:02:21:00:B7:20:0E:1B:D3:68:3C:EA:E4:
  • ED:F7:51:F9:4A:A3:5B:0B:6D:A0:92:1A:95:BA:B0:B8:
  • C3:C7:D0:B8:F0:9B:58