it.leeds.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:60:93:9a:4b:19:e1:36:29:83:d0:f7:ba:a9:9f:3a:82:93 was issued on by Let's Encrypt.
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Certificate Subject
CN=it.leeds.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:60:93:9a:4b:19:e1:36:29:83:d0:f7:ba:a9:9f:3a:82:93Serial Number (int): 294200162672018553371111873202092825543315
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 09:50:78:46:c9:94:40:d2:39:5c:82:06:48:55:80:55:d5:91:cf:a9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 71:c2:50:67:84:d2:9d:9c:5d:8f:d0:ab:65:43:98:5c:8e:cb:f5:06
Fingerprint (sha256): 00:2b:e9:c3:3e:32:53:d7:57:a1:11:67:20:b9:06:80:f7:e2:14:a3:25:48:64:42:b3:81:21:cc:40:02:66:f6
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate it.leeds.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for it.leeds.ac.uk
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
it.leeds.ac.uk
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Certificate
The complete raw certificate details for it.leeds.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFVDCCBDygAwIBAgISA2CTmksZ4TYpg9D3uqmfOoKTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDMyMDM0MDlaFw0y MDA2MDEyMDM0MDlaMBkxFzAVBgNVBAMTDml0LmxlZWRzLmFjLnVrMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8plV5/jGhPMgdEMbpheeOfR9u/ENF9qd L7qz3Q6RuUCvRyvmWXNpmbdxC1c46TqblDPgykj4FNHmxrJCG44lG7p44fWyID2n QyygW23F3b0kjZ9+fmR+kwuk3E6TkmU1cfcd7HUjk0svxZCUbXi3LYZVolku8w9Y i+1YRF0RExSQs1jtT66uYyhk5NWmvlD6ElyyEFM0/BMQbmzJvFPO0kWtHdoCCg31 X/1wh9WD/zhn/JMnOvJAM3WkuG9x+FRmV1HL5n92opmex6zkkZD33QhcHzFIgaqy ZuYUXyCYvOltehX77Jh8MIKsniKfnyrdBXTDtguCTDey2SPk6kF2+wIDAQABo4IC YzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQJUHhGyZRA0jlcggZIVYBV1ZHP qTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v cmcvMBkGA1UdEQQSMBCCDml0LmxlZWRzLmFjLnVrMEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAsh4FzIuizYog Todm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFwolIGJQAABAMARzBFAiEA2r6Pyd5c JHcvoejL+JhvgYTu/XIWa3wKRwoKf1q8UmcCIFFtIsmU5HJ4h22JOi+oWlCbQjke tFXeUoiJQKpzTvnlAHYAb1N2rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMA AAFwolIHJgAABAMARzBFAiAnDS3k9pzHXJCEVoiROVGx7hXd+On0zJQDbcpU4GbG 2gIhAOFh0VOX4C9M56RWJXeALKKC/3aJZhuPuzjPwzIYDBxHMA0GCSqGSIb3DQEB CwUAA4IBAQBVS/iVJqSyo6IZuyj95p8SROQZnzVkCbQOcihIQIrJCUsMdDETnSRj 6Ai+t0xtByGxkyl+sy0ix6mPj7I76W1r2Fgwi/9MkGwRfpu4XD5y+l9mHqe8ayRn af5pMMpOW8NFoJc2R0pMO/UtevFbjjgbdNUHxo/ikx/yiOYEREnvjwxFRM8c7i// DF776NTbxWUI+m4WyPtx1PVGPLiz8Bc+hHdV5yxBcZ39xD62tYxWD1aT553wphu7 ebX+SYIaVIKzWqC2jRv5HjZW9ryXH3lkN/W6TEJMVxpZr6jvWiR1DIXkqN4qxfvV WoUI1RFfbK0XzrUYBbJz3TP8Vcts6eNU -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8plV5/jGhPMgdEMbphee OfR9u/ENF9qdL7qz3Q6RuUCvRyvmWXNpmbdxC1c46TqblDPgykj4FNHmxrJCG44l G7p44fWyID2nQyygW23F3b0kjZ9+fmR+kwuk3E6TkmU1cfcd7HUjk0svxZCUbXi3 LYZVolku8w9Yi+1YRF0RExSQs1jtT66uYyhk5NWmvlD6ElyyEFM0/BMQbmzJvFPO 0kWtHdoCCg31X/1wh9WD/zhn/JMnOvJAM3WkuG9x+FRmV1HL5n92opmex6zkkZD3 3QhcHzFIgaqyZuYUXyCYvOltehX77Jh8MIKsniKfnyrdBXTDtguCTDey2SPk6kF2 +wIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 294200162672018553371111873202092825543315 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-03 20:34:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 20:34:09 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'it.leeds.ac.uk' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 30625282389896238499624283409044910740946511325838102945698294936503513345986126150392028870099493255829405999691970719377001728924904115479281625471499408025506856542746000615972327118836045777276078178511767546446741902955300198952937890526316572876583836465090123606172951331030932143428434117064622503090110712188182392888397491456594904793395623051336646138045818574199988794505679866337151864010707711030509550295794645814105751734116499650520196428940723712405996460697853836263645884065458989312602636649547317532549187290694564553017004013769017905995126026485846924794605998069582914364638021564728829114107 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 09507846c99440d2395c820648558055d591cfa9 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'it.leeds.ac.uk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a25206250000040300473045022100dabe8fc9de5c24772fa1e8cbf8986f8184eefd72166b7c0a470a0a7f5abc52670220516d22c994e47278876d893a2fa85a509b42391eb455de52888940aa734ef9e50076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170a252072600000403004730450220270d2de4f69cc75c90845688913951b1ee15ddf8e9f4cc94036dca54e066c6da022100e161d15397e02f4ce7a4562577802ca282ff7689661b8fbb38cfc332180c1c47 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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