| Hostnames |
learningtree.co.jp www.learningtree.co.jp |
| Domains | learningtree.co.jp |
| Country | Japan |
| City | Tokyo |
| Organization | KDDI Web Communications Inc. |
| ISP | KDDI Web Communications Inc. |
| ASN | AS9597 |
HTTP/1.1 200 OK Date: Wed, 09 Apr 2025 19:54:34 GMT Server: Apache Upgrade: h2 Connection: Upgrade, close Vary: Accept-Encoding Transfer-Encoding: chunked Content-Type: text/html; charset=UTF-8
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
2f:b3:2e:eb:6e:f5:c2:f0:f4:7f:cf:90:3a:66:af:ba
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=JP, O=Japan Registry Services Co., Ltd., CN=JPRS Domain Validation Authority - G4
Validity
Not Before: Jan 31 23:35:23 2025 GMT
Not After : Feb 28 14:59:59 2026 GMT
Subject: CN=learningtree.co.jp
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:a9:85:60:ae:c8:f1:8b:11:7d:0c:65:3c:72:36:
52:a5:de:c2:e5:60:e8:2e:8e:bb:8c:c1:bc:19:11:
05:cc:c7:ec:1b:57:04:73:31:9a:ff:3a:14:08:33:
9c:4c:cd:67:bc:d0:78:de:1f:65:e4:e7:54:87:d1:
d7:ae:9a:ab:50:13:36:f0:43:77:3d:19:1e:6d:46:
76:7e:73:9f:ba:6a:40:8d:1e:01:46:54:9d:5c:a1:
e6:4a:bc:50:7e:55:8b:6c:b9:0d:ab:86:79:55:00:
9e:a7:a5:ee:75:f7:b9:55:ed:dc:d7:71:1c:3d:aa:
bb:33:7f:e3:57:33:0d:b9:47:1b:52:10:20:88:ac:
ee:b9:e7:70:9d:15:e1:b8:b8:41:53:1b:cc:f8:ff:
05:ce:c1:1f:26:4d:47:97:8b:e9:2a:95:36:c2:cd:
94:95:d2:82:43:c5:8e:06:2d:f2:94:ba:ff:a3:07:
6e:4d:60:7c:23:d0:25:4b:98:44:63:6a:e6:e2:b5:
7b:cf:4d:a0:c5:ca:64:dd:87:63:7f:51:e3:ee:e1:
5e:6c:98:ef:20:0f:a6:6f:a9:3c:0a:08:a1:6c:f8:
e4:6a:e6:0a:95:89:5f:a1:a8:01:c3:d9:7d:c4:62:
4c:5a:46:78:19:c9:42:90:23:c7:69:18:76:b6:72:
4d:95
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
7C:24:CE:0D:A4:38:2D:C7:B3:63:5E:A7:78:7A:8D:1D:4C:2E:C7:15
Authority Information Access:
CA Issuers - URI:http://repo.pubcert.jprs.jp/sppca/jprs/dvca_g4/JPRS_DVCA_G4_DER.cer
OCSP - URI:http://dv.g4.ocsp.pubcert.jprs.jp
X509v3 Subject Alternative Name:
DNS:learningtree.co.jp, DNS:www.learningtree.co.jp
X509v3 Certificate Policies:
Policy: 1.3.6.1.4.1.53827.1.1.4
CPS: http://jprs.jp/pubcert/info/repository/
Policy: 2.23.140.1.2.1
X509v3 Extended Key Usage:
TLS Web Server Authentication
X509v3 CRL Distribution Points:
Full Name:
URI:http://repo.pubcert.jprs.jp/sppca/jprs/dvca_g4/fullcrl.crl
X509v3 Subject Key Identifier:
6B:DE:AE:CE:90:BB:A9:71:B9:BE:0D:B5:03:D3:1B:8D:76:4D:3E:87
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 : Jan 31 23:45:23.529 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:A9:16:AA:17:53:3F:EB:3A:76:86:71:
B9:B2:0E:31:70:91:BE:0A:C0:11:33:B6:ED:7C:AF:C8:
A8:E7:37:89:10:02:20:7B:03:06:23:67:F1:8B:10:CA:
53:44:A4:58:AC:06:6D:42:2F:18:82:35:1E:A8:4C:FB:
38:A7:C4:60:76:70:97
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 : Jan 31 23:45:25.324 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:5C:EA:7C:4F:A5:52:D3:BF:DC:5E:D7:49:
A9:7E:E3:91:C0:2E:D3:0D:07:36:DE:62:7F:6E:D5:F7:
72:E2:6F:22:02:20:5A:0F:1D:A5:5E:BB:F8:6A:E2:15:
7F:2E:CB:7E:55:17:C4:CF:47:F4:62:36:51:6E:06:92:
7B:CA:40:65:06:DC
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 : Jan 31 23:45:26.176 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:EA:E3:FD:BB:54:8F:0D:28:90:55:60:
6B:79:2E:DC:7E:91:70:78:F0:55:25:FE:FC:FF:BE:1F:
CA:E9:D7:31:EC:02:20:3D:9B:83:11:07:25:E8:FC:69:
31:8E:16:9B:D6:94:94:9E:63:EC:1B:59:1C:40:2B:FC:
54:2F:ED:07:E5:9B:1C
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 : Jan 31 23:45:26.644 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:26:7D:74:62:B3:0E:63:D5:E6:97:64:A9:
7F:A6:4A:E2:9E:BE:F6:3D:4D:7B:3B:18:01:FA:E8:ED:
C4:01:08:1F:02:21:00:EA:62:37:62:01:55:AA:ED:9A:
05:69:6D:61:6F:85:D2:1D:F1:3B:82:D1:A1:F9:E6:D2:
DB:31:EE:5A:3A:CB:9B
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
6c:a0:c2:be:52:e9:c4:1d:0b:6c:47:fd:72:a4:ed:6a:d7:ae:
51:b1:17:e9:f1:44:e5:d6:f6:a3:e7:49:e9:de:a1:1d:32:28:
33:29:88:c2:85:ed:4f:b7:12:87:e8:42:c5:fe:3a:4b:77:8f:
01:dd:f0:0b:d6:e0:eb:13:73:63:1d:48:34:07:91:1a:35:fa:
b0:d0:51:18:46:c1:6e:f3:c9:e4:4f:80:55:83:2b:62:a1:04:
9a:f1:d5:30:75:63:b4:73:5f:31:05:4b:a2:ae:9a:e9:5c:2c:
96:de:47:27:c6:42:51:01:6f:4a:a5:c6:10:f5:6e:dd:f7:a3:
f9:54:06:b9:a1:c2:e3:79:48:30:5d:c8:63:58:0d:95:d0:d2:
76:01:35:e8:2e:53:61:7b:ba:1e:15:77:29:ca:32:97:0b:bc:
25:39:81:c3:ae:cc:6f:9d:00:58:c7:3b:0e:1f:aa:f8:92:22:
f6:78:7c:a2:35:89:d2:e2:49:5b:41:f5:fe:7d:d4:d7:84:e7:
81:56:9c:a2:91:ac:99:97:8b:54:73:f2:81:e5:e3:ff:5f:56:
48:53:21:9b:99:ab:44:f1:6e:af:f8:eb:1e:51:2d:da:99:4f:
23:e2:58:3e:1a:d6:c2:b2:b0:93:ef:83:9d:c0:4f:9b:f0:02:
df:29:f1:d0