This service provide certificate information from hostname: skku.edu
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
0f:da:05:6c:a2:cf:82:2f:f9:e2:dc:50:85:fa:9d:a5
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = DigiCert Inc, OU = www.digicert.com, CN = Thawte TLS RSA CA G1
Validity
Not Before: Jun 26 00:00:00 2025 GMT
Not After : Jul 25 23:59:59 2026 GMT
Subject: C = KR, ST = Seoul, L = Jongno District, O = SungKyunKwan University, CN = *.skku.edu
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:b6:7c:31:3e:f3:27:2e:2a:fd:40:92:99:af:f4:
eb:d2:a3:cd:5a:96:dc:df:e8:5a:c2:50:cf:68:7c:
76:c4:70:7f:8b:8d:b0:b9:0d:e7:91:aa:e5:f5:d5:
2e:10:9f:c6:74:04:80:33:67:e1:9c:5b:53:a5:5d:
2e:79:7f:4d:58:b0:a1:67:6b:b7:4e:74:b6:dc:98:
fb:13:da:94:e3:16:33:24:60:fa:91:ff:93:7c:3d:
b7:8a:f2:c3:ba:93:d8:62:20:1e:0f:e8:ca:75:93:
c0:ab:6e:11:f5:a0:53:2c:a4:70:78:aa:51:42:9a:
bb:a8:9e:e4:6b:d6:79:fa:58:c5:b3:01:08:f3:c2:
c4:28:0c:02:cb:12:26:12:13:ce:0a:10:27:d6:8a:
b1:95:cf:5e:0e:c1:4e:b8:b0:e2:9a:f7:58:db:37:
e5:7d:a5:b4:58:bf:2e:f9:93:f2:7b:1f:9f:fa:50:
26:47:eb:3e:7e:ca:72:cf:78:80:87:20:85:c7:bc:
7c:a6:c1:09:67:04:31:98:3f:05:c2:7a:0a:74:03:
62:ff:c9:6c:c6:05:b0:fc:69:91:d4:67:f7:ce:be:
6d:f2:26:ac:2f:c4:75:a1:53:6d:52:d9:7e:55:79:
54:2e:5c:c8:35:77:01:e3:02:d8:cb:c1:4f:fd:42:
9e:f9
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
X509v3 Subject Key Identifier:
50:D2:A3:21:16:DA:6A:01:7F:09:CE:65:A7:D9:2F:8C:00:29:E6:DA
X509v3 Subject Alternative Name:
DNS:*.skku.edu, DNS:*.skku.ac.kr, DNS:skku.ac.kr, DNS:skku.edu
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.2
CPS: http://www.digicert.com/CPS
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 CRL Distribution Points:
Full Name:
URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
Authority Information Access:
OCSP - URI:http://status.thawte.com
CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
X509v3 Basic Constraints: critical
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9:
82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77
Timestamp : Jun 26 00:15:12.384 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:98:70:15:31:AE:A0:47:EE:6F:90:39:
A2:7B:71:6C:37:4D:B3:14:3D:43:1C:39:2B:A9:87:EC:
14:38:8A:37:FE:02:20:61:FB:F0:EB:CE:7E:DB:6F:A9:
B7:31:68:16:95:A2:E1:58:AA:55:8D:C2:AF:5F:84:67:
E0:4B:02:6E:22:DA:F1
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB:
C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD
Timestamp : Jun 26 00:15:12.441 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:6C:FB:05:CC:14:C6:B1:38:99:B6:76:10:
77:05:7B:71:37:22:9D:0E:45:33:54:99:A1:70:9D:78:
9E:24:6E:48:02:20:52:54:40:D0:90:49:E7:AB:5D:EB:
9F:3C:5F:63:E9:AA:B4:A2:F7:37:BA:1E:A5:92:DE:4F:
42:B5:3A:44:6D:C5
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 : Jun 26 00:15:12.462 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:16:86:58:19:CC:D3:38:27:47:8F:48:0C:
22:51:35:8F:1D:7C:AF:6E:42:A8:5C:19:EC:23:98:A0:
5E:5D:1C:99:02:20:0F:5A:49:03:60:AA:9C:F4:96:4D:
1A:F6:07:20:E3:1D:4A:10:D3:21:E7:8F:B7:B4:3B:3E:
33:B8:28:87:78:77
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
02:22:ab:32:c2:a6:e3:6f:90:7a:b1:ad:7b:b8:40:2b:c5:ee:
32:17:f2:bf:ea:f5:69:a2:f5:b0:d5:9a:12:dc:c3:72:0b:4c:
0a:e8:83:47:d7:ff:8a:77:bc:c6:5c:bb:7e:c9:fd:48:1a:07:
45:ea:19:6a:51:0f:f9:1b:17:87:25:2c:99:de:42:e4:ce:71:
c7:4f:c2:c6:ec:f0:01:4e:41:5a:68:0e:6e:77:5b:4e:96:74:
a8:cd:2e:15:12:a4:03:5d:11:5c:73:8b:99:d1:58:2e:8b:b2:
2d:a1:23:7f:93:30:e4:a0:87:46:91:da:85:7d:8d:db:06:d5:
55:31:a9:65:fe:91:87:40:c9:6d:9d:b9:4f:1a:db:a9:b6:01:
e7:c5:74:46:45:96:0e:dd:ca:64:7b:15:5d:c9:1f:e8:a2:be:
38:65:c7:e2:3f:32:36:c8:2b:64:da:3a:66:c7:b6:87:7f:66:
55:12:d1:48:10:8f:7d:fb:b9:63:23:de:84:1f:db:2d:ad:47:
2a:b0:9c:15:de:0b:c7:fb:51:47:9f:43:34:26:9a:7b:4d:c7:
aa:f2:e2:5a:9c:d8:0b:51:b6:d7:a1:8a:ef:31:9a:2a:7b:2a:
a3:08:05:5d:3b:12:d2:49:18:b5:58:8b:7e:13:de:fb:7b:fd:
f7:f4:b9:30
-----BEGIN CERTIFICATE-----
MIIGgzCCBWugAwIBAgIQD9oFbKLPgi/54txQhfqdpTANBgkqhkiG9w0BAQsFADBe
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-----END CERTIFICATE-----