This service provide certificate information from hostname: www.jcp-iwamizawa.org
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:e8:5f:73:9f:0e:19:c8:c7:dd:30:c9:fd:95:81:91:c3:7f
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R10
Validity
Not Before: Jul 13 09:27:24 2025 GMT
Not After : Oct 11 09:27:23 2025 GMT
Subject: CN = jcp-iwamizawa.org
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (4096 bit)
Modulus:
00:e8:b5:a8:04:0c:5c:54:94:44:00:0a:94:8e:4a:
7c:fa:3c:d5:d5:37:08:0a:25:fc:34:f3:fe:d9:4e:
fd:9e:c4:4d:70:af:70:51:ca:b8:d6:21:7b:62:4e:
84:a5:dd:c6:6f:58:d1:66:da:60:ac:c9:a2:af:bb:
02:48:a0:86:2e:2a:0d:d2:60:88:8a:3c:4f:48:8c:
2b:0a:da:d2:dc:90:3a:dd:cb:58:8c:96:38:f2:a2:
cd:e0:f1:b0:9e:05:d6:89:9b:07:ba:00:40:13:fa:
ad:28:89:a9:31:b4:dc:54:87:b1:a7:b2:21:72:5c:
3a:f3:b7:1d:6e:ae:a2:47:91:e8:2a:24:7d:4a:fd:
18:20:de:bb:d8:f3:a6:4c:11:d4:2c:52:79:d3:c9:
d1:05:1f:8b:df:42:2c:09:8e:d6:57:ab:36:a2:33:
11:8a:34:8f:8f:28:3b:bd:b9:c2:78:9c:5a:76:4d:
e8:8f:c4:e3:e2:44:f7:02:94:9d:a3:f8:fb:a8:06:
9d:ee:04:42:22:25:58:4e:00:f5:2a:91:57:58:90:
dd:38:93:ed:fc:e2:b0:8b:51:f1:b4:5a:7e:8b:a1:
1b:9d:eb:a2:7a:cd:f1:d7:ee:64:1e:21:7e:db:2a:
eb:ee:49:c0:25:ec:4c:ea:74:9f:af:3c:0b:6c:5e:
af:9a:8d:65:3e:ad:f9:4c:a4:e6:ac:4b:68:74:67:
d1:b4:ce:ae:8f:cf:89:a8:cc:98:42:39:03:93:43:
95:e8:8f:27:60:e2:90:4b:fa:57:3f:1e:ea:fa:90:
48:2c:cc:35:f7:40:4a:5c:7f:cf:91:57:48:2e:a8:
3a:63:90:4f:a9:1b:f2:aa:c4:cf:2c:b9:ab:21:23:
fa:fb:2e:13:46:d6:0e:ed:aa:ae:87:77:ad:96:73:
45:64:39:dc:8a:25:91:72:28:82:14:3d:01:4f:f5:
66:c2:0e:75:c5:32:97:38:80:ab:52:a3:38:f2:b1:
de:fc:45:43:26:a1:5c:fa:f3:32:30:62:ce:9a:57:
b7:96:c7:cf:46:1b:3e:90:dd:31:8c:42:5b:92:1d:
15:ff:dd:6a:43:b9:b5:e5:98:a1:cb:44:d9:46:6f:
d6:97:12:a4:d2:1a:cd:e0:08:bc:54:b7:a7:1d:20:
4f:5c:29:29:a3:d4:0e:34:ff:95:ef:75:a7:85:45:
c4:57:3b:0c:92:36:bf:96:75:7a:1f:90:bb:12:9b:
64:32:91:4e:ce:87:46:91:f2:42:bf:87:1c:bc:b6:
f1:4f:1c:3a:8c:e4:93:4e:df:8a:52:74:38:57:b0:
4e:a4:9b:da:87:3b:49:5c:c9:b7:f4:77:94:ab:43:
f1:dd:f7
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:
25:86:E5:4F:02:FD:A8:52:8B:59:6A:76:C3:B8:E1:10:E3:89:BD:DD
X509v3 Authority Key Identifier:
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
Authority Information Access:
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:jcp-iwamizawa.org, DNS:www.jcp-iwamizawa.org
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r10.c.lencr.org/128.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:
01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0
Timestamp : Jul 13 10:25:54.975 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:A7:FD:23:3D:A3:C4:C3:BB:63:EE:59:
E9:8B:90:72:78:45:2C:79:A2:F5:8D:76:07:87:19:07:
D0:A3:4D:AD:4A:02:20:3D:B7:9A:CA:30:92:56:56:BF:
1D:6B:13:B8:14:93:DE:53:CD:EC:92:97:A7:56:86:E3:
8F:67:56:78:D5:1C:0D
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 1A:04:FF:49:D0:54:1D:40:AF:F6:A0:C3:BF:F1:D8:C4:
67:2F:4E:EC:EE:23:40:68:98:6B:17:40:2E:DC:89:7D
Timestamp : Jul 13 10:25:57.141 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:B3:93:80:83:CC:90:49:C0:86:59:E2:
E7:79:BF:15:EF:A9:42:31:9D:48:8D:35:FA:99:B8:C7:
AD:EB:4C:B8:1D:02:21:00:9D:68:1D:D4:D5:08:A8:04:
42:F6:90:64:C2:1D:2B:47:74:ED:06:F9:C7:32:3B:3F:
AB:56:22:3C:5B:A3:04:F7
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
22:25:97:45:a6:a2:1a:82:5c:c1:3d:51:6e:73:11:ed:dc:19:
29:8d:43:15:ce:d4:0e:21:89:11:f9:71:bd:3f:06:42:53:61:
71:96:5c:ff:78:af:7e:8a:54:5e:0f:d8:97:ed:7d:b8:51:64:
85:a8:4a:2f:52:5b:98:89:46:9b:ce:2d:10:69:76:6a:08:a1:
ba:9f:5e:64:a5:d1:7f:87:af:15:07:05:09:eb:4d:03:36:26:
9d:96:c3:44:b0:ef:0d:af:77:0b:4f:69:b7:0b:00:cd:5d:ac:
83:d5:0e:ab:f9:93:04:12:af:e9:62:c2:5f:35:cc:c6:00:c2:
86:b6:fa:bd:be:bf:75:65:b9:39:85:fd:c5:06:a2:9a:9a:88:
02:e0:df:68:13:b8:ec:a3:3b:b4:5f:d0:51:11:b9:c6:e8:97:
d0:7b:3f:f1:e4:2a:76:25:14:a3:a6:2e:80:96:5b:0f:f7:d2:
f8:32:23:3a:7e:ee:1a:03:f7:f0:33:40:c8:b3:ba:3c:4c:01:
5c:52:48:ad:d4:76:91:6d:69:77:9c:a9:c5:a5:ee:9d:d8:a1:
1b:06:73:85:64:a2:14:69:72:94:31:fc:4a:fd:ce:a6:b0:90:
e8:47:f4:f7:0c:b5:5a:ea:04:01:83:97:40:03:83:81:f0:ab:
4a:7f:ea:f9
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----