This service provide certificate information from hostname: webbuild.knu.ac.kr
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
ce:8c:94:fb:a6:02:4a:c8:72:4e:9a:0e:1e:7b:f2:40
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Organization Validation Secure Server CA
Validity
Not Before: Mar 12 00:00:00 2025 GMT
Not After : Apr 10 23:59:59 2026 GMT
Subject: C = KR, ST = Daegu, O = KYUNGPOOK NATIONAL UNIVERSITY, CN = *.knu.ac.kr
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:bd:97:d2:68:70:ac:9b:6d:f0:f2:80:22:81:9c:
9f:3c:81:fd:e5:10:73:22:10:03:e5:4c:4c:12:7a:
a9:07:dc:a9:1c:1c:0c:29:44:2a:c0:92:5c:c7:f7:
00:c8:22:23:66:cc:17:80:5d:d8:0b:e6:03:cb:5c:
bd:21:a5:1b:c5:83:c7:1c:77:de:e0:80:46:40:f3:
47:15:de:46:39:8e:82:3b:dd:8e:6b:e7:0f:4f:00:
fa:86:62:29:85:4b:1f:e7:1c:1b:84:1f:1b:e9:96:
de:e7:44:10:60:cc:d0:5c:9f:34:9d:0d:50:35:c3:
9b:a4:c3:29:0a:9b:39:d6:bc:fb:ab:bf:3b:19:5a:
31:62:db:3e:77:4d:3e:23:56:4e:c1:f1:48:86:49:
27:30:20:09:b5:9f:6a:e2:b2:26:a5:56:bd:8d:36:
6a:3e:08:3c:d9:5e:d8:f7:e0:f3:e1:ed:e1:f6:e6:
88:64:c0:dd:e0:be:9c:47:05:11:3b:ba:95:1a:78:
2f:8c:86:63:d5:14:83:22:b4:23:3a:d4:92:c4:ec:
ad:e5:36:02:a6:7b:9a:e3:b6:18:de:2d:b7:28:21:
dd:b2:32:66:03:e7:63:17:1e:de:69:8b:47:a6:49:
87:bf:df:5c:2c:14:ec:61:67:dc:73:ad:9d:a9:74:
16:8f
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
17:D9:D6:25:27:67:F9:31:C2:49:43:D9:30:36:44:8C:6C:A9:4F:EB
X509v3 Subject Key Identifier:
A8:02:83:A1:55:EB:B4:6C:5F:70:DB:12:80:4A:F3:C2:2E:6A:5C:65
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Certificate Policies:
Policy: 1.3.6.1.4.1.6449.1.2.1.3.4
CPS: https://sectigo.com/CPS
Policy: 2.23.140.1.2.2
X509v3 CRL Distribution Points:
Full Name:
URI:http://crl.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crl
Authority Information Access:
CA Issuers - URI:http://crt.sectigo.com/SectigoRSAOrganizationValidationSecureServerCA.crt
OCSP - URI:http://ocsp.sectigo.com
X509v3 Subject Alternative Name:
DNS:*.knu.ac.kr, DNS:knu.ac.kr
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 96:97:64:BF:55:58:97:AD:F7:43:87:68:37:08:42:77:
E9:F0:3A:D5:F6:A4:F3:36:6E:46:A4:3F:0F:CA:A9:C6
Timestamp : Mar 12 08:14:55.878 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:24:97:98:B5:2B:2E:67:BD:DB:57:53:8A:
FE:71:5B:B2:A4:1F:46:63:1B:E1:0D:C2:64:1A:0A:32:
3D:7B:02:CE:02:21:00:A3:B3:68:FD:80:4A:CC:D1:20:
7D:93:38:AB:70:AA:8C:F8:F7:05:B0:4D:C7:34:E4:C9:
42:20:30:E6:50:46:20
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 19:86:D4:C7:28:AA:6F:FE:BA:03:6F:78:2A:4D:01:91:
AA:CE:2D:72:31:0F:AE:CE:5D:70:41:2D:25:4C:C7:D4
Timestamp : Mar 12 08:14:55.916 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:EA:3B:60:86:9F:27:F8:5D:A0:7A:3D:
CF:24:66:3E:21:00:63:4A:15:7B:A5:92:91:EA:56:7D:
74:34:B9:D3:4D:02:21:00:9B:AD:B1:50:8A:E2:8F:6F:
3B:71:B2:F4:A3:A3:B9:03:04:E4:7A:B7:3F:3B:AD:53:
D7:21:50:91:59:12:6A:80
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 : Mar 12 08:14:55.790 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:56:81:4D:53:FF:4D:98:DB:1C:21:E4:44:
C9:7F:9D:E3:F9:A0:EB:7E:57:90:9C:93:B3:A9:17:42:
15:1D:F9:13:02:20:74:F8:2D:08:95:EE:D8:A2:AD:4D:
9D:4C:64:FB:EE:86:36:C2:BA:85:B3:79:88:19:94:0D:
9A:1E:5C:25:00:7E
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
23:b6:b9:63:05:ab:a1:61:98:56:5d:e9:d6:db:c6:f3:8d:70:
84:b7:22:f8:ff:55:b2:58:b5:cc:8e:a6:ec:fd:ab:a9:40:ef:
b3:8c:10:16:99:7c:fb:cf:43:ae:ea:e5:24:d1:f5:b4:07:3f:
07:3c:d3:6b:c5:8a:46:e9:f3:34:25:1d:b6:a2:b4:86:ea:c2:
39:66:55:f3:10:7e:36:f8:cc:40:04:ff:01:0f:6b:4e:e5:0e:
87:25:3a:86:0a:27:c3:2b:cc:cb:f7:5d:a0:9b:0f:2e:bd:17:
bc:af:b5:2c:9f:49:b3:28:cb:f6:06:56:a6:e9:e4:c1:2f:98:
4a:9c:3e:2e:6f:85:89:5a:e7:c9:d9:3e:e5:85:db:15:78:d4:
14:69:70:6d:b1:13:94:de:2d:0e:4c:5b:1c:80:74:4e:5f:ff:
24:68:a7:7d:f7:68:a2:b8:b0:29:19:d2:c7:24:d5:76:c2:ec:
7c:7d:53:18:6f:53:0c:3a:0a:1a:6f:d5:a7:f0:22:f4:2c:89:
2f:52:5e:db:d2:27:0a:87:ac:f3:fb:60:6d:33:c3:88:ea:4c:
96:d5:56:e6:e4:27:13:bf:a4:f8:e3:90:54:e1:58:80:4a:39:
ef:58:43:70:45:70:c0:c9:45:31:2b:ee:75:46:1e:e1:1d:36:
17:d6:85:12
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----