This service provide certificate information from hostname: imperial.ac.uk
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:22:8e:c6:67:b2:77:d4:11:28:3e:47:b5:67:89:d5:6a:b3
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R11
Validity
Not Before: May 1 23:40:45 2025 GMT
Not After : Jul 30 23:40:44 2025 GMT
Subject: CN = imperial.ac.uk
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:b8:c3:62:3e:0a:61:5c:0e:f5:b5:84:4e:a0:1b:
cc:17:0b:16:53:26:11:86:f9:23:95:c2:fa:c9:a5:
91:a8:b5:4d:8c:1e:b2:15:4b:df:83:6a:f1:3f:33:
c8:df:ef:21:5b:b6:32:df:46:f8:e3:15:c1:34:77:
97:f0:db:e4:e5:8f:c3:a1:98:55:f9:5c:96:64:0d:
13:94:9b:d3:47:65:ad:3e:cd:bf:a9:99:79:40:40:
db:15:bd:49:d5:95:1c:0f:9b:ee:56:e5:c6:2e:72:
b8:a3:ec:0a:7c:c6:b8:90:c7:b2:9e:53:13:85:14:
9b:b9:f2:cb:ec:ef:b1:06:3d:fd:df:37:1d:13:53:
3f:8b:b3:15:62:0c:9e:82:fb:8b:64:e5:65:76:68:
58:23:93:69:56:f6:7c:81:32:6c:63:17:9e:59:3d:
c9:03:c2:f9:7f:04:d4:1e:e3:43:38:54:3e:07:00:
50:b5:1d:c6:15:05:bd:ff:1e:d8:d4:1e:b0:5d:ac:
41:92:4e:7f:39:35:84:8e:8e:f2:ff:45:9e:5e:c1:
1b:d6:44:e1:34:a8:c4:93:64:c9:e4:33:69:11:a6:
74:01:67:27:f8:bd:d0:29:cb:d5:66:18:61:c4:f1:
e6:f2:82:57:62:8f:34:41:58:c5:0f:cf:f8:5e:d8:
65:d5
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:
20:69:26:9C:0F:87:01:4E:D4:43:18:93:A6:B4:C0:46:1C:93:97:E0
X509v3 Authority Key Identifier:
C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
Authority Information Access:
OCSP - URI:http://r11.o.lencr.org
CA Issuers - URI:http://r11.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:ic.ac.uk, DNS:imperial.ac.uk, DNS:www.ic.ac.uk, DNS:www.imperial.ac.uk
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r11.c.lencr.org/52.crl
CT Precertificate SCTs:
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 2 00:39:16.100 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:FA:5A:C2:30:57:32:BD:7C:4B:03:A7:
DF:2F:65:EA:74:5C:F6:B2:4C:55:1A:AB:3D:74:68:AF:
B3:78:C4:B7:41:02:21:00:84:3A:D5:78:BB:19:DA:10:
6D:24:35:1C:44:5B:5E:13:73:E5:6B:F7:AF:C2:C7:0D:
B4:5A:BF:70:1B:5A:D8:92
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
Timestamp : May 2 00:39:16.141 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:33:7F:6B:56:40:34:F9:0F:13:A7:4E:1E:
0B:F1:E7:D0:38:69:51:1B:84:D7:ED:80:44:E6:BF:58:
E7:65:E9:96:02:20:0F:75:7A:48:24:22:14:3C:CB:66:
05:72:DF:CD:BF:6B:2B:83:F2:83:87:CB:57:D0:E2:F7:
6E:B8:AC:92:B1:1C
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
87:47:1d:99:60:0b:7e:f8:13:65:db:ac:81:d6:af:85:b7:48:
7b:25:d3:50:08:a6:4e:ab:61:c4:1c:43:ce:c4:aa:51:16:fc:
f6:d0:df:9e:2b:47:06:37:0d:88:5c:fd:bb:8f:26:ab:c9:12:
3c:de:95:83:fa:75:b2:d7:13:46:ca:93:57:40:f4:59:cd:7b:
47:e7:09:c6:97:f2:1d:20:86:0d:14:9d:1e:f9:d5:67:04:4e:
6e:3f:50:a9:fa:4e:fc:54:c1:cb:5c:0f:14:8e:c8:51:35:b2:
37:67:ab:5f:cc:d9:40:c5:1b:d3:68:c5:f9:2a:d9:6b:67:18:
59:bd:2a:2b:4e:68:a1:dd:e1:a5:3a:3c:46:b4:9a:bd:0d:80:
82:15:7a:7e:e8:e4:79:54:f2:ea:8b:84:05:56:8e:90:c0:db:
01:70:66:08:ec:91:cf:22:56:75:6f:a1:e1:51:3c:ee:da:10:
73:7c:06:b7:e5:bd:1c:85:f2:32:0d:6e:3f:18:0c:ec:13:3e:
7e:60:97:2a:cc:5f:af:d6:5d:fb:9f:93:96:94:c1:35:f8:54:
5a:ef:f2:0b:4e:ca:67:ce:f4:95:3f:cd:de:8e:0a:e4:c1:c4:
5f:16:9d:f0:2e:05:25:6f:4a:db:5b:9d:20:0f:b9:67:2c:31:
c1:bf:de:87
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----