This service provide certificate information from hostname: web.sfc.keio.ac.jp
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
49:29:87:d7:a4:e6:54:2d:d6:a7:dd:d2:b5:02:c9:9b
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = JP, O = "SECOM Trust Systems CO.,LTD.", CN = NII Open Domain CA - G7 RSA
Validity
Not Before: Apr 2 01:28:21 2025 GMT
Not After : May 3 01:28:21 2026 GMT
Subject: C = JP, ST = Tokyo, L = Minato-ku, O = Keio University, CN = web.sfc.keio.ac.jp
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:b5:29:43:be:b4:80:d9:c1:4d:ba:e0:57:e0:70:
cc:55:9e:1a:c5:1e:35:88:c7:3e:e2:95:38:ae:93:
25:a9:f5:96:df:4a:0d:2e:40:a0:e1:c6:a2:59:06:
37:72:99:50:79:84:26:8c:80:05:80:77:a1:90:ae:
cf:9c:f4:d0:0d:d6:f2:5b:62:b7:19:a3:9c:84:a6:
f2:b0:0b:38:87:31:a2:fb:e6:d9:4e:13:ee:e1:9b:
b5:16:65:fb:eb:63:d0:09:a7:3d:99:28:d1:27:5a:
de:66:00:6e:ad:ee:93:f2:31:3a:03:42:2e:05:d6:
d3:a0:50:bb:1d:de:2f:80:a6:94:c5:dd:ba:2d:bb:
ee:9e:97:8a:b3:06:83:82:9a:0d:5b:7c:c3:39:3f:
5b:07:38:13:4c:03:42:dc:3e:8b:fe:ac:6e:0a:99:
a5:0e:56:5f:e3:3d:fa:da:30:05:d3:98:c5:90:bd:
c3:66:45:da:a4:b2:ff:80:f9:b8:21:78:fe:99:11:
3c:6a:36:e9:32:b8:82:de:a7:32:71:ba:73:62:19:
06:fc:7e:b1:33:73:02:9b:c7:dd:19:a6:e3:36:15:
34:f4:46:8f:26:94:be:04:65:69:54:54:3f:02:f8:
e9:24:a0:bf:51:52:54:fe:52:c6:78:88:de:9d:c5:
4d:35
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
B0:2E:E5:51:ED:FC:4A:CF:A3:87:F1:13:90:76:2D:9D:8E:94:A1:E3
Authority Information Access:
CA Issuers - URI:http://repo1.secomtrust.net/sppca/nii/odca4/nii-odca4g7rsa.cer
OCSP - URI:http://niig7rsa.ocsp.secom-cert.jp
X509v3 Subject Alternative Name:
DNS:web.sfc.keio.ac.jp
X509v3 Certificate Policies:
Policy: 1.2.392.200091.110.214.3
CPS: http://repo1.secomtrust.net/sppca/nii/odca4/
Policy: 2.23.140.1.2.2
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 CRL Distribution Points:
Full Name:
URI:http://repo1.secomtrust.net/sppca/nii/odca4/fullcrlg7rsa.crl
X509v3 Subject Key Identifier:
17:96:CE:31:FA:1E:53:C8:E6:BF:82:C3:1F:D9:EE:D2:27:E4:DD:B2
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
Timestamp : Apr 2 01:38:21.994 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:FB:E3:6D:F7:DA:35:99:28:33:3F:97:
4F:41:17:F8:21:CF:EE:9D:3F:34:1E:2D:B5:4C:23:CE:
4E:06:07:93:3C:02:20:1C:DE:EC:7C:E9:B2:73:08:12:
C7:45:D7:95:1D:5F:7C:81:2D:E0:C5:D1:21:DD:3F:FA:
77:30:9E:65:DC:9C:50
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 : Apr 2 01:38:22.757 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:2D:BA:80:07:D9:8C:ED:0A:10:70:02:2D:
E3:20:4F:66:A9:2D:E3:EC:23:6C:41:12:3C:ED:D4:D2:
B2:84:FA:E5:02:20:78:62:9D:5A:09:51:6D:E1:AA:20:
D8:AD:5D:B2:38:B8:6F:EA:81:73:0F:B1:94:7C:8A:BC:
99:51:AF:F9:CB:23
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB:
4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0
Timestamp : Apr 2 01:38:23.376 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:81:2E:74:57:ED:29:CD:C4:03:9A:15:
99:DF:37:E7:36:D4:E4:0C:50:4A:69:71:AA:0A:9E:63:
4F:8D:25:5B:AE:02:21:00:C1:54:B6:16:54:28:72:B2:
12:7F:A5:25:D3:41:B5:9F:DE:F0:2C:D5:AA:3B:F6:74:
AC:9D:BD:79:C6:1A:FA:71
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 : Apr 2 01:38:23.841 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:A6:D1:8C:B1:F7:E5:E5:53:CD:DD:14:
D6:E8:6D:C8:33:5C:D7:30:6D:67:1D:C0:38:80:29:28:
55:50:80:63:E3:02:21:00:E5:56:8B:FC:D8:CA:71:C9:
11:AD:EE:03:EA:3B:C5:B4:F7:F4:08:F8:2B:F4:28:8F:
28:E8:D6:CD:6A:8C:03:A0
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
27:d6:27:f5:ef:9a:9a:f9:c9:e9:3d:20:2f:71:dd:06:f7:8f:
50:7c:a6:fa:72:b2:5b:d0:b2:e8:c4:f4:81:15:e3:d6:fa:0e:
6a:e9:a7:2f:87:4d:91:c9:da:67:1a:22:c0:de:02:38:ea:e2:
76:84:24:3b:51:67:15:4c:b8:c8:35:2b:4f:ce:ea:42:e3:88:
04:31:77:e4:38:7a:ce:5e:c3:ad:d1:1b:1d:1e:ff:08:1a:c2:
6c:75:b2:ae:35:f0:a8:87:38:32:92:06:08:6f:22:24:be:b0:
93:49:81:cd:d2:41:c1:fb:a6:02:2b:0a:25:83:94:99:5a:45:
bd:ac:99:bf:b6:a6:bd:79:d5:2a:11:5a:61:80:c5:76:b4:df:
80:56:19:49:60:e8:06:08:2b:56:19:39:3b:04:73:d8:1b:c9:
d3:7e:a2:42:68:c7:22:41:b8:aa:66:83:c0:0a:3f:88:30:17:
a1:b4:de:9e:1d:64:22:50:80:af:6b:f6:11:a7:6b:9b:b6:d1:
98:cc:a5:aa:f6:13:76:cb:b1:96:d5:1e:b0:e4:ae:08:00:12:
22:e0:32:11:9d:cb:38:41:d2:b4:4a:eb:3c:03:e7:5b:82:de:
5a:b7:17:4a:43:a0:ec:26:6f:1a:b9:80:6b:68:9b:26:f3:7d:
a5:04:82:a9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----