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SSL check results of ac.lk

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

Summary

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Report created Tue, 19 May 2026 06:27:08 +0000

We can not guarantee a secure connection to the webserver of ac.lk!

Please contact the operator of ac.lk and inform him of this problem. This result stays accessible under the following address:

/webservers/ac.lk

Servers

Hostname / IP address Certificates Protocol
ac.lk
192.248.1.189
 www.ac.lk
HSTS
missing
DANE
missing
PFS
supported
Heartbleed
not vulnerable
Weak ciphers
not found
  • TLSv1.2
  • SSLv3
3 s
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
    • Hostname Mismatch
      • E8
        • remaining
        • 384 bit
        • sha256WithRSAEncryption
          • ISRG Root X1 (Certificate is self-signed.)
            • remaining
            • 4096 bit
            • sha256WithRSAEncryption
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)
  • E8
validity period
Not valid before
2026-04-24
Not valid after
2026-07-23
This certifcate has been verified for the following usages:
  • Digital Signature
  • TLS Web Server Authentication
Fingerprints
SHA256
98:C3:29:BD:9C:46:68:DF:CA:FD:24:21:52:20:B5:F4:AF:4C:0A:42:44:C8:5B:33:77:74:F1:8E:8D:7C:FD:4F
SHA1
1C:D8:88:9B:06:F4:DD:C6:F6:20:18:5F:CE:50:07:7D:11:DB:62:22
X509v3 extensions
subjectKeyIdentifier
  • 80:3A:D7:84:48:13:BE:84:1F:06:9B:AA:D3:6E:4E:E6:1F:C9:C2:AC
authorityKeyIdentifier
  • keyid:8F:0D:13:A2:F6:2E:7E:D1:50:6C:33:18:38:5D:59:8E:23:72:91:CA
authorityInfoAccess
  • CA Issuers - URI:http://e8.i.lencr.org/
certificatePolicies
  • Policy: 2.23.140.1.2.1
crlDistributionPoints
  • Full Name:
  • URI:http://e8.c.lencr.org/28.crl
ct_precert_scts
  • 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 : Apr 24 21:06:25.462 2026 GMT
  • Extensions: none
  • Signature : ecdsa-with-SHA256
  • 30:44:02:20:0C:F2:A0:82:DE:AE:BE:1E:71:C0:EC:69:
  • 29:B1:18:EC:7F:35:19:A1:AB:0D:92:AA:94:24:C6:86:
  • 78:56:61:7E:02:20:33:C5:00:DE:AB:2A:B2:5F:8B:64:
  • C7:F0:B7:78:A7:B7:B6:A1:87:28:1C:B2:2E:FC:24:FE:
  • 91:BF:59:A9:74:E6
  • 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 : Apr 24 21:06:25.497 2026 GMT
  • Extensions: 00:00:05:00:08:2C:9D:35
  • Signature : ecdsa-with-SHA256
  • 30:46:02:21:00:98:A0:EC:BB:E7:B9:F2:E9:4E:1F:6F:
  • FB:E2:E8:71:84:67:7C:77:35:76:BF:C4:87:2D:DE:70:
  • E4:81:26:CF:35:02:21:00:DC:5A:FD:2A:22:58:45:F5:
  • 70:E1:2C:57:F0:77:2C:1B:0E:27:4A:3C:3A:B8:4C:70:
  • 29:A6:08:B2:D7:40:47:0A