HTTP/1.1 200 OK
Server: nginx/1.24.0 (Ubuntu)
Date: Tue, 15 Sep 2026 17:25:31 GMT
Content-Type: text/html
Content-Length: 99865
Last-Modified: Wed, 26 Aug 2026 10:45:59 GMT
Connection: keep-alive
ETag: "6a8ec3e7-18619"
Accept-Ranges: bytes
SSL Certificate
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:c8:0d:d3:ad:5b:bc:3b:2a:21:f0:ad:b1:45:e1:90:e3:c3
Signature Algorithm: ecdsa-with-SHA384
Issuer: C=US, O=Let's Encrypt, CN=YE1
Validity
Not Before: Jul 23 07:52:27 2026 GMT
Not After : Oct 21 07:52:26 2026 GMT
Subject: CN=ai.kids.richbooks.asia
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit field, 128 bit security level)
pub:
04:83:c4:ae:5a:26:fd:d9:7c:84:49:b6:32:d7:03:48:
96:fb:c8:91:8e:da:7f:73:4f:ca:64:0a:05:af:0b:3d:
7f:ad:9a:95:bf:89:6c:22:d3:89:16:e1:c5:2b:83:e4:
14:18:28:f6:c5:83:5c:a6:21:e8:4b:cb:ea:1d:99:0a:
44
ASN1 OID: prime256v1
NIST CURVE: P-256
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature
X509v3 Extended Key Usage:
TLS Web Server Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
2C:80:26:67:C3:4B:43:EA:BA:8E:3C:07:5D:F8:4A:3A:5F:4D:FD:18
X509v3 Authority Key Identifier:
BB:20:CA:47:0B:FE:D7:E5:9C:F9:8F:09:2A:A3:8C:37:45:B1:BC:D8
Authority Information Access:
CA Issuers - URI:http://ye1.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:ai.kids.richbooks.asia
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://ye1.c.lencr.org/68.crl
CT Precertificate SCTs:
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 : Jul 23 08:50:57.700 2026 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:40:29:9C:FA:BA:69:71:FA:FB:52:22:43:
52:87:3F:B6:64:2D:75:48:07:98:0F:CC:0E:93:EA:B7:
0E:6B:88:4B:02:20:6E:21:D2:69:03:B3:EE:94:1E:F7:
4D:47:2F:25:C8:31:72:DD:09:91:6F:2C:04:1F:41:48:
A3:DA:BF:14:5E:1C
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9:
1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A
Timestamp : Jul 23 08:50:58.363 2026 GMT
Extensions: 00:00:05:00:16:EA:A7:BD
Signature : ecdsa-with-SHA256
30:44:02:20:46:8B:76:68:D9:79:8B:75:62:40:4A:3C:
3A:38:AB:FA:6C:7F:9E:B3:B3:33:F4:04:06:FE:8A:57:
A1:E6:3F:1C:02:20:4F:65:41:BC:64:78:CC:AE:52:23:
DD:A4:E5:95:27:E4:79:2A:C5:3A:3A:33:66:16:60:23:
00:B2:21:81:5B:E3
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:66:02:31:00:8c:83:bb:fc:52:9c:ac:99:d6:b6:3f:67:d8:24:5c:6d:d2:f7:46:
8f:2b:0c:7a:55:1a:8f:16:13:73:23:51:1b:96:8d:ca:88:f1:33:bb:f4:0f:19:e0:
aa:af:33:41:56:02:31:00:ce:59:d2:69:2f:f9:32:3d:58:0b:fd:00:b4:95:cb:bc:
35:40:b1:88:bd:32:44:02:96:52:b6:48:bd:f8:b9:5b:a6:ab:7c:a9:6f:4f:24:8c:
36:1c:6e:9c:3d:72:3a:a4
Vulnerabilities