Certificate:
Data:
Version: 3 (0x2)
Serial Number:
0c:20:6b:e0:8d:d0:5b:48:7b:db:a4:0d:d2:f9:03:04
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=US, O=DigiCert Inc, CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
Validity
Not Before: May 4 00:00:00 2021 GMT
Not After : May 4 23:59:59 2022 GMT
Subject: CN=*.youstudy.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
RSA Public-Key: (2048 bit)
Modulus:
00:e2:90:64:0c:4d:a9:fa:cd:6c:0a:c1:d9:83:d3:
0d:cb:17:81:4d:23:4b:a0:ca:4f:16:00:88:0d:95:
fb:63:3a:0a:83:ec:7f:6b:ef:b4:27:17:d7:5b:c9:
0c:86:f9:5d:0c:83:e7:79:f5:cc:d5:f8:3e:03:09:
6b:1a:0a:03:f2:0b:c9:e3:e6:83:e6:db:d6:c4:2b:
cd:25:b6:ec:0f:2a:2c:ac:fc:70:1b:23:3f:a3:c8:
14:69:c4:22:35:c8:b0:a1:7d:c0:78:87:ec:a4:c4:
88:52:a4:33:80:b5:fd:9f:b6:0a:cf:8e:65:0f:e0:
b7:45:c2:7c:7d:6d:ac:5d:12:18:76:7d:fe:78:c2:
a9:8d:70:10:a4:64:d2:24:46:8b:a2:b5:b8:45:d4:
be:36:16:e7:cf:d0:f2:8f:eb:89:eb:4a:e1:3f:b0:
3b:9d:9e:02:f3:60:fe:63:5a:4d:19:27:f2:64:d8:
98:92:d0:b6:cf:b8:ce:a0:ba:95:f8:c1:69:11:e2:
d2:77:7f:ea:08:99:9d:15:dd:7b:a5:31:95:9a:cc:
8d:f1:72:f4:49:81:7f:26:04:96:69:c2:43:ad:bc:
81:80:9b:23:f7:aa:65:b3:bb:c4:56:1d:b3:aa:1c:
05:2a:f9:70:5e:7f:6b:c8:83:e7:95:a1:63:84:3c:
23:69
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Authority Key Identifier:
keyid:A4:8D:E5:BE:7C:79:E4:70:23:6D:2E:29:34:AD:23:58:DC:F5:31:7F

X509v3 Subject Key Identifier:
DA:ED:8C:18:42:67:F4:48:86:45:8F:99:E1:3F:01:D2:5C:93:75:4E
X509v3 Subject Alternative Name:
DNS:*.youstudy.com, DNS:youstudy.com
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://crl3.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl

Full Name:
URI:http://crl4.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl

X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
CPS: http://www.digicert.com/CPS

Authority Information Access:
OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crt

X509v3 Basic Constraints:
CA:FALSE
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
Timestamp : May 4 13:18:43.874 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:02:76:5B:2F:89:47:35:B9:05:02:3E:C6:
34:4B:85:4D:E3:15:F4:F7:A6:83:7E:07:E2:22:DE:15:
C3:8A:BA:42:02:21:00:EA:51:AA:93:6B:8E:37:CA:A4:
FF:D9:9C:70:06:8F:F3:03:44:E4:08:B5:D4:FB:C5:A2:
A7:15:E7:02:BB:1E:E2
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 22:45:45:07:59:55:24:56:96:3F:A1:2F:F1:F7:6D:86:
E0:23:26:63:AD:C0:4B:7F:5D:C6:83:5C:6E:E2:0F:02
Timestamp : May 4 13:18:42.960 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:E2:FE:31:46:F0:DB:CB:29:EB:17:62:
AA:7B:7C:A2:7B:F7:79:EB:10:5D:B7:13:41:F6:76:66:
5C:6C:6B:A9:14:02:21:00:E0:AC:6B:06:6B:8C:E9:8E:
23:A4:81:18:1D:F9:0D:C5:2F:33:1E:C3:29:E4:AD:7B:
6F:59:47:F2:03:3F:A1:D8
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 51:A3:B0:F5:FD:01:79:9C:56:6D:B8:37:78:8F:0C:A4:
7A:CC:1B:27:CB:F7:9E:88:42:9A:0D:FE:D4:8B:05:E5
Timestamp : May 4 13:18:43.502 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:63:89:4E:73:C5:ED:F3:A6:13:FE:54:BE:
D6:47:5A:5F:CB:5C:27:61:FE:DB:7B:07:68:6E:F7:59:
CC:65:96:C5:02:21:00:DD:23:24:D7:5B:DE:0D:3B:76:
FE:65:81:CC:D8:68:41:B4:F0:D5:68:FE:D6:E4:69:B0:
45:CA:D9:37:B0:EC:3F
Signature Algorithm: sha256WithRSAEncryption
64:b6:45:30:b1:e2:be:9d:c2:3c:94:51:c5:a0:cf:52:60:22:
5f:ed:f8:49:3a:f7:f0:97:2f:39:d0:d4:d0:5b:6a:05:bd:50:
dc:f8:c1:cd:21:a4:2e:c8:96:01:23:d2:5e:b3:e6:f4:e1:e2:
03:13:77:71:b7:5b:7e:1b:d2:74:a6:96:44:96:09:69:10:42:
24:51:6b:6b:e4:3e:74:48:ff:06:d8:f9:e6:55:b9:ef:47:af:
14:ff:1c:4e:f8:2e:42:9d:1d:3e:5b:5d:ca:27:32:dd:e4:d4:
bc:91:58:3f:64:86:91:9e:c0:3a:0d:5b:00:f3:dc:cc:ea:bd:
93:d9:d8:d7:5b:b4:22:2f:66:4d:50:05:ad:50:d3:0c:ad:d4:
24:b7:4f:6c:7e:31:f3:bc:90:92:1d:8d:9c:e7:78:68:2c:5d:
4f:d3:b3:8e:76:27:b6:5e:ac:ec:e9:55:f0:ef:f8:c3:9f:c0:
23:3e:a9:bd:bf:1a:89:a6:74:79:4b:50:47:c6:7a:32:d3:4a:
f4:7a:27:3c:c5:ef:1f:af:22:09:73:2f:7e:75:d2:fc:58:b9:
03:6e:79:bf:15:ac:81:0c:26:33:f7:6f:7c:8c:59:92:bd:79:
e5:3f:98:7d:77:70:de:d7:b0:05:de:8f:7c:ce:42:c1:36:e2:
07:a8:6e:99