stadium.open.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b1:08:ef:4d:83:96:79:83:8b:f7:86:50:f5:27:31:80:69 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:b1:08:ef:4d:83:96:79:83:8b:f7:86:50:f5:27:31:80:69Serial Number (int): 321578713095373315546932021981814602170473
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 60:80:78:0e:5f:eb:80:cd:04:c8:0a:28:b2:78:9a:09:ba:6d:de:b2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 80:ac:b9:04:02:ba:39:d8:de:91:46:36:d2:cc:d4:90:d0:db:98:f1
Fingerprint (sha256): de:9b:a0:6c:b1:69:39:bd:95:3d:57:5d:03:9b:52:73:66:9e:60:b8:14:16:9e:50:b2:2b:18:3a:ad:80:f5:f0
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----- MIIFbjCCBFagAwIBAgISA7EI702DlnmDi/eGUPUnMYBpMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjcwNjU4NDlaFw0x OTExMjUwNjU4NDlaMB0xGzAZBgNVBAMTEnN0YWRpdW0ub3Blbi5hYy51azCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKgatFDT6q6Vqcg8gc6J+DLO9oEm dkDHYsD72HYfpOYioGBVKTgiqACYJesoPmAdxXehqEM7QDI/6xl6PVc3SLVmGyCZ xqrjFr87AErp/MUvYoU7JOUR5eya8t8UV9psTsNSD9ZVVV5qHrtrQqY+vseMJk7s JZw08IRQKDDSrruYQ0ACeGne7YA4EgpqdhB2mRaGZX5AjridLLhPOJuy4lr1m90F ANu8xyRts9/HzY2Fly/1QrchH8ASjTr37V8eN2XGSA0C1BXCbfZMTjY9E6CxeAQb kadqMadCWbrda13LWDFEUmljcqLzz/+8b1QpzdnMC2VQY0DO1iTN790S8DsCAwEA AaOCAnkwggJ1MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUYIB4Dl/rgM0EyAoosnia Cbpt3rIwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAvBgNVHREEKDAmghJzdGFkaXVtLm9wZW4uYWMudWuCEHN0YWRpdW0u b3Blbi5lZHUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEE AdZ5AgQCBIH1BIHyAPAAdQB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvM VgAAAWzSFafpAAAEAwBGMEQCIGSf4tsPmUgtW5sA6Loytm7YJRMjPb/buTv5IIVY g1wuAiBVF93C9iOupW2+JABxZFq8b0Wm0btIFFA+bhtnTLNl3QB3ACk8UZZUyDll uqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABbNIVpeAAAAQDAEgwRgIhAIZJT543 HCjoKaP2gokuGuALrZwaK7PU0oWKuytJO7gcAiEAyPZQZVGLqVb920Z0EwubDI7J VIBoY8QCUFVIe0OlTLEwDQYJKoZIhvcNAQELBQADggEBADu6+ue/FkV7NVnECbaW hDqc+/6T+qYrz6e43IQcvvFawxyKA27qxHZVSYq33Cl5EWh0D89fJ/IDv33PzTXm gN6WmAKl5N2c6PmYBnjkrU3U9KLIDXsk3DXRNmhc0Vg3wZas7DStd+mYiqhv+cFp J0LuS5Sf/+ijp0i92dgduiw8DIbdxcN5Te/2RNYgnqGnsBqhxc6cpEEbH6iHTyAU EnDPUSS3tBuUburz3JEhh2FZ23EzS64qg+GnDRmbDMw67yGuMbB70DwZjN8cCmqA KdIHegGvcJfDBhV9nKSGl7c2d5hColiOe3Qyye9gH9f7aCd9GoodiDqL4YjZYK1A YmI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqBq0UNPqrpWpyDyBzon4 Ms72gSZ2QMdiwPvYdh+k5iKgYFUpOCKoAJgl6yg+YB3Fd6GoQztAMj/rGXo9VzdI tWYbIJnGquMWvzsASun8xS9ihTsk5RHl7Jry3xRX2mxOw1IP1lVVXmoeu2tCpj6+ x4wmTuwlnDTwhFAoMNKuu5hDQAJ4ad7tgDgSCmp2EHaZFoZlfkCOuJ0suE84m7Li WvWb3QUA27zHJG2z38fNjYWXL/VCtyEfwBKNOvftXx43ZcZIDQLUFcJt9kxONj0T oLF4BBuRp2oxp0JZut1rXctYMURSaWNyovPP/7xvVCnN2cwLZVBjQM7WJM3v3RLw OwIDAQAB -----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 321578713095373315546932021981814602170473 . . . . . . . . [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 2019-08-27 06:58:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-25 06:58:49 +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 21221203644185872389186950786940338186992275405451300338171457177730183451610449118583312899432726897192202279770859669946935825750302673089676652649630873932131229647947573782162696565911188139479376050120148944802685316698091304587983587292297999706321926315178764160542702420121109641477628515990908163069933231019169992672236645553328878895937732849908325111210818539662056084144987643747095721262949156605308016810410649552044268625556608707494517473686099826919372006268558692727407476764937060478257618785052505576197325930403398603731757401802608985788504738497714856984709882425032116815698376409248097824827 . . . . . . . . . . . . . . . . . . . . [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) 6080780e5feb80cd04c80a28b2789a09ba6ddeb2 . . . . . . . . . . . . . . . . [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) 00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cd215a7e900000403004630440220649fe2db0f99482d5b9b00e8ba32b66ed82513233dbfdbb93bf9208558835c2e02205517ddc2f623aea56dbe240071645abc6f45a6d1bb4814503e6e1b674cb365dd007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cd215a5e0000004030048304602210086494f9e371c28e829a3f682892e1ae00bad9c1a2bb3d4d2858abb2b493bb81c022100c8f65065518ba956fddb4674130b9b0c8ec954806863c4025055487b43a54cb1 . . . . [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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