stadium.open.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:4a:44:95:7f:ac:c2:75:dc:f0:68:c8:6e:34:26:40:14:70 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=stadium.open.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:4a:44:95:7f:ac:c2:75:dc:f0:68:c8:6e:34:26:40:14:70Serial Number (int): 286608916692928928400632770358895257326704
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c9:bd:f1:52:6e:ab:70:26:a4:2d:55:e3:bf:e7:a3:fa:bc:e9:0a:e0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 65:ef:7c:be:76:2f:32:9b:88:8e:a2:7e:0e:00:c2:ba:ec:c5:30:82
Fingerprint (sha256): 2a:30:fb:1f:2c:e3:8f:40:8d:54:16:70:ff:3f:09:b8:22:19:80:12:ba:f4:7c:69:97:05:43:d4:37:c7:c6:6a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate stadium.open.ac.uk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for stadium.open.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
stadium.open.ac.uk
stadium.open.edu
stadium.open.edu
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Certificate
The complete raw certificate details for stadium.open.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFbjCCBFagAwIBAgISA0pElX+swnXc8GjIbjQmQBRwMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjgyMzIzMjFaFw0y MDAzMjcyMzIzMjFaMB0xGzAZBgNVBAMTEnN0YWRpdW0ub3Blbi5hYy51azCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK425R8I1wWvySdOrVyxaO3Mj4iM T4HdcIyqKXcv+etLZjGH/wly3tGs9byzArcDDke1at4rYfm1hzaOwq0ua9ke+5OR CryZ8eqsKd8FYdeZr6yMzWc8axaEWqVxyk33xU7EpKIPQ7ymkSbcW0uJEQ/iteMy yDO/YaxNmHvyLu0x31J0/tF+Z7MQZNBZJO+/LrDBCdevY30iycAMa2O7607DUGPJ fEDqkdmtEPaqBVM09VFFQQ/Kv0A8d4x0rNUQwg18kai3QeRxHsBRZvIFB+FX36RI t7SHNPvOiz83LDayPN5W2/B3Q9l9NylE3m91xw6qED/iodxIoCfrhnR9PhcCAwEA AaOCAnkwggJ1MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUyb3xUm6rcCakLVXjv+ej +rzpCuAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAvBgNVHREEKDAmghJzdGFkaXVtLm9wZW4uYWMudWuCEHN0YWRpdW0u b3Blbi5lZHUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEE AdZ5AgQCBIH1BIHyAPAAdwBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFF WAAAAW9PCTchAAAEAwBIMEYCIQCmcVQ+3O3gjbkcW9GCIxw3s0+GPn1eVlRNV8mZ T19gjQIhAKUYkenspRsSn0wBMQ2DyFKjxB0zPw9XgM22WG2DgsDvAHUAB7dcG+V9 aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFvTwk26wAABAMARjBEAiAnEn3u KelRvwjZTDKrXnHkyrZHLpAzNvjZXt44eUnSVgIgOiwZHLGs4KBOsbPi1Q/UC00q ezJEXdMbrUI+zF4+nnEwDQYJKoZIhvcNAQELBQADggEBAE/OV25yqxZxmkFcyJ2e o59GTmJu5rRh/WqR7lkERdI+BmO6yHod5TC9gpieU+iMusSAltvPNIV0u1W56CeN yhRzMaJwp/Mk8NZvRLA85WDxuVlBEKF/cZw+LwSwEfC+BhWc+AYfbXz7P7lPEz6c EuqFau5ANkOc/NMyW1fYHUDbmzJSsIQjlcU0uKRCZLW9wV0bURM45+PKspfwsZ+P /e37EBvSY+ar/WSxjwBd+Gn6b61xfkKLNwuHwmq7L2ZJA3Ibs0b/2hACPq+K2i2Q X3AHEc/QnRKievBK08rqtvxPK9H4mjEKG9jeLfoS29UUiKRZ7Qk+1ZWy7uo3DOKq sQQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArjblHwjXBa/JJ06tXLFo 7cyPiIxPgd1wjKopdy/560tmMYf/CXLe0az1vLMCtwMOR7Vq3ith+bWHNo7CrS5r 2R77k5EKvJnx6qwp3wVh15mvrIzNZzxrFoRapXHKTffFTsSkog9DvKaRJtxbS4kR D+K14zLIM79hrE2Ye/Iu7THfUnT+0X5nsxBk0Fkk778usMEJ169jfSLJwAxrY7vr TsNQY8l8QOqR2a0Q9qoFUzT1UUVBD8q/QDx3jHSs1RDCDXyRqLdB5HEewFFm8gUH 4VffpEi3tIc0+86LPzcsNrI83lbb8HdD2X03KUTeb3XHDqoQP+Kh3EigJ+uGdH0+ FwIDAQAB -----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 286608916692928928400632770358895257326704 . . . . . . . . [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 2019-12-28 23:23:21 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-27 23:23:21 +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 'stadium.open.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 21992534799863634234468524810401230678876066282519788730630172226581090409349198133498809313351956158775390338099812008671789610770328919457191318871932344160242502536975305809590672256168137185081343109207505684480036878960700217014396960804292896703315154999930122755771239683954157405146286588935460423402693939435690409089988128084781371475452931270548785233256424740777972913225957886952918717153562238013383882498007699681406809763802270104494832573782768219670065007395933659311227446758772492270679764855071658319457021057788637133888470882861014342603939660276765200725402490795632918035697061133539862199831 . . . . . . . . . . . . . . . . . . . . [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) c9bdf1526eab7026a42d55e3bfe7a3fabce90ae0 . . . . . . . . . . . . . . . . [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 (40 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stadium.open.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stadium.open.edu' . . . . . . . . . . . . . . . . [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) 00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f4f0937210000040300483046022100a671543edcede08db91c5bd182231c37b34f863e7d5e56544d57c9994f5f608d022100a51891e9eca51b129f4c01310d83c852a3c41d333f0f5780cdb6586d8382c0ef00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f4f0936eb0000040300463044022027127dee29e951bf08d94c32ab5e71e4cab6472e903336f8d95ede387949d25602203a2c191cb1ace0a04eb1b3e2d50fd40b4d2a7b32445dd31bad423ecc5e3e9e71 . . . . [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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