This service provide certificate information from hostname: lukchew.com
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:3e:d5:85:6f:7b:41:50:fb:ae:0e:d2:56:f1:8c:c3:59:be
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R11
Validity
Not Before: Jun 28 02:01:41 2025 GMT
Not After : Sep 26 02:01:40 2025 GMT
Subject: CN = lukchew.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:b7:f5:f9:60:83:4f:b6:03:cd:70:1e:b4:93:71:
af:a9:ef:3d:5e:bf:1e:61:2a:f8:70:fd:f6:67:69:
e5:ef:dd:f5:fd:cf:6c:dc:fc:54:8a:54:9b:a4:df:
dd:ae:b7:9a:db:a3:63:64:e9:e5:c9:44:0e:2c:b1:
42:b9:c6:da:07:fe:89:ee:6c:05:ca:c2:44:0a:76:
0b:6e:01:7e:f0:e0:aa:81:8a:4a:a1:e8:0b:e7:de:
10:a6:44:22:e3:d1:e8:92:73:1c:c9:1c:39:00:64:
24:ae:27:37:7b:2f:fd:92:11:7c:ae:5d:31:ae:03:
50:44:83:f6:31:7e:63:4e:25:7a:0f:e6:cd:0e:16:
41:42:cb:2b:a6:88:b2:cd:bb:00:2d:2e:39:0f:16:
92:f8:0b:41:6c:25:e3:c8:a8:ba:9b:93:09:21:4a:
45:98:ee:29:95:e4:ad:a0:a2:b6:78:f3:dd:b5:a2:
32:37:30:b6:61:d4:b8:b8:90:0c:c2:5b:a4:33:bb:
4b:fe:12:6c:24:2b:a6:0c:c3:dd:ff:66:a8:d6:fa:
57:21:40:cc:95:23:b3:3a:69:47:42:da:46:87:f0:
b2:c1:29:c9:e0:ec:4f:2b:db:d0:91:0e:01:01:e7:
2c:06:b0:81:32:1f:d0:a9:53:bd:7e:9b:71:b6:a7:
b0:ef
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
94:54:F4:DB:85:69:87:5B:14:50:AA:C3:7C:AD:CA:B6:E2:4F:40:9D
X509v3 Authority Key Identifier:
C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
Authority Information Access:
CA Issuers - URI:http://r11.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:lukchew.com, DNS:www.lukchew.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r11.c.lencr.org/63.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 7D:59:1E:12:E1:78:2A:7B:1C:61:67:7C:5E:FD:F8:D0:
87:5C:14:A0:4E:95:9E:B9:03:2F:D9:0E:8C:2E:79:B8
Timestamp : Jun 28 03:00:11.881 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:C6:90:2F:CF:C1:1B:0E:61:09:F1:1C:
54:71:A1:1A:4E:72:B4:9E:FE:7D:61:11:35:4A:DA:7F:
9E:F8:6D:74:CF:02:21:00:F1:12:CA:D1:80:FA:35:2F:
EA:35:B3:3F:A1:92:0A:C7:71:D1:E8:04:57:A1:13:AA:
E2:54:B5:04:58:1F:E6:4D
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
Timestamp : Jun 28 03:00:11.884 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:49:BD:2C:93:72:85:85:4F:4E:86:01:CD:
BD:58:AD:2F:02:C9:59:70:DB:FD:98:C1:14:7B:1C:58:
E8:29:16:BB:02:20:7B:0B:36:11:75:C2:AA:3F:45:E4:
CD:BD:EB:9C:8A:1D:4D:35:FB:D3:90:76:A7:79:D4:F0:
B8:43:73:85:0C:48
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
4c:cb:6b:bd:a7:0f:82:92:9f:c9:fd:4f:3d:28:f0:14:2c:15:
7b:1a:6e:6c:03:ac:31:44:ab:a8:84:e3:43:b9:76:a8:0e:de:
c1:e8:2e:2b:61:bb:b6:c2:40:6d:a0:62:91:84:4b:68:f6:c9:
f8:99:fc:7f:f8:ea:b8:b3:0d:8c:66:4c:fc:ff:a7:7a:a8:fc:
9a:ff:83:bd:2a:3a:c6:2c:3b:e0:3c:3f:73:41:75:51:cf:dc:
6c:46:b1:91:90:33:2b:c3:09:14:dd:b4:c4:07:0c:c7:39:13:
88:8e:24:73:40:a2:bd:14:43:e4:5d:f2:09:20:77:4c:dd:f7:
a9:18:9b:e0:9f:62:e6:ed:33:9c:0c:2f:bb:b3:8f:c0:d7:b4:
c6:a3:37:19:67:81:d4:1c:61:24:e8:6b:78:56:37:bf:cb:13:
3f:b8:17:88:41:a4:17:bf:24:ef:d0:50:11:9a:69:bc:62:ad:
2d:2a:ac:28:37:73:ed:5b:39:0e:fc:8f:9e:3f:b8:93:cf:e7:
64:61:2d:e1:10:d2:b7:48:09:12:ce:a2:54:41:a7:2b:5e:31:
5e:6f:ce:c4:20:41:fa:99:42:9c:c8:62:2b:83:3b:39:dc:fe:
6f:77:78:e4:96:c9:8e:13:6b:ee:ea:a4:97:c3:20:32:9b:ba:
68:b4:ee:ea
-----BEGIN CERTIFICATE-----
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b87EIEH6mUKcyGIrgzs53P5vd3jklsmOE2vu6qSXwyAym7potO7q
-----END CERTIFICATE-----