This service provide certificate information from hostname: tcltk.co.kr
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:1c:11:6c:4e:5c:09:ab:f0:be:db:50:85:4d:f0:26:a0:14
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R10
Validity
Not Before: May 3 16:56:42 2025 GMT
Not After : Aug 1 16:56:41 2025 GMT
Subject: CN = tcltk.co.kr
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:ab:df:e6:93:a2:81:4e:11:e5:d3:de:d4:4f:67:
6d:1c:08:6e:5d:16:1f:d4:c5:a0:21:2d:df:0b:51:
b7:41:69:68:b5:b7:46:04:7c:16:d3:bf:fd:09:8b:
97:5b:ef:f8:32:bf:ae:46:a1:91:45:39:84:00:ec:
d0:8c:71:e6:e3:58:29:50:bf:c0:37:d1:0b:6f:6c:
86:82:5f:81:d9:71:36:d3:9b:01:65:7e:33:4b:6e:
46:e1:8b:53:d4:55:c7:a0:34:d8:ba:35:b7:34:11:
70:1d:61:4a:05:d1:67:e7:e3:75:a7:35:1f:53:10:
e2:9a:43:e3:3b:35:0a:66:85:00:cb:90:50:8b:7f:
9b:da:e2:9b:f0:91:a3:bd:88:6e:c2:26:7a:f1:1a:
38:ce:9d:c0:8a:84:37:99:28:e1:51:96:51:fc:a9:
5e:a5:c9:69:0e:df:42:75:ca:18:b1:5f:e0:81:8b:
ed:f1:22:5d:eb:17:56:ba:2e:bc:be:21:83:5a:09:
d4:13:58:43:10:c1:6c:c7:13:54:83:7c:71:26:8b:
6d:5e:7c:5c:d1:a4:72:dc:d0:61:2f:cd:47:9b:94:
23:06:38:b4:65:01:ba:90:57:a1:6b:66:40:f0:7c:
24:4e:4b:a9:c1:8f:49:c5:6d:a5:8a:2e:a8:72:dc:
6c:fd
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:
05:C7:8E:2F:03:A8:45:0A:57:55:3E:FD:CF:BE:9F:C2:0C:DB:A0:51
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:
OCSP - URI:http://r10.o.lencr.org
CA Issuers - URI:http://r10.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:tcltk.co.kr
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r10.c.lencr.org/21.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
Timestamp : May 3 17:55:12.981 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:FA:70:AD:FE:97:05:EF:2C:F3:47:40:
CF:63:BC:F5:93:03:23:82:43:A4:90:4B:95:A7:6E:62:
31:44:BB:EE:DB:02:20:17:39:11:F4:84:CB:56:B9:6E:
64:F8:A5:3B:A3:5C:D9:2F:41:9D:84:44:8B:04:11:7C:
29:44:4E:67:37:F3:86
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
Timestamp : May 3 17:55:15.001 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:77:47:AF:B6:6C:16:81:99:FF:64:7E:F4:
00:5C:0B:02:63:59:DA:80:B7:AE:64:53:73:2C:29:D9:
A8:44:19:3B:02:20:38:57:79:78:9E:D0:D9:84:D1:FA:
8A:23:1D:D7:55:CE:C0:81:79:35:90:31:6C:02:0D:24:
96:CE:0D:EC:A1:BD
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
31:be:0e:68:c3:e8:c0:9b:eb:3a:93:f2:8f:5b:f9:fc:07:3b:
a3:07:6b:85:43:a7:68:59:01:eb:16:43:5f:3a:db:cc:f9:c5:
d1:3d:b7:85:b7:24:96:ce:e9:f6:58:cd:ab:66:a9:71:6f:27:
e3:ef:56:0b:88:5c:38:cf:03:4c:e0:a1:c5:77:ed:d1:42:cb:
fc:f1:67:49:30:e4:c4:73:5c:24:4c:ce:2e:57:02:40:68:a8:
88:86:de:f3:c7:9d:ba:8c:74:db:23:57:68:5d:81:14:06:c4:
41:6f:d2:e3:00:59:3a:65:b7:f6:2a:40:9f:1c:2f:cd:41:18:
43:22:c7:56:28:e0:2b:3f:65:be:03:4d:81:7d:63:d5:8f:98:
af:9d:91:c0:fe:44:6e:64:47:45:08:58:f8:cc:e3:53:07:25:
54:32:21:d6:41:fa:86:8d:b7:43:c2:3c:dd:a6:4a:d1:3f:8c:
2f:8a:90:d3:f7:f0:a4:ed:91:98:33:93:48:ab:e6:fa:73:76:
3a:ae:f1:4f:b6:b6:fc:fc:2c:42:21:f6:c2:16:5f:ee:a5:14:
93:18:93:76:c7:e8:d7:95:79:25:ec:72:ae:7f:14:74:c7:1b:
68:aa:90:cd:d1:63:2c:02:f1:df:0b:f4:dd:74:af:c7:84:81:
69:23:7f:eb
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----