stadium.open.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b7:88:e5:c7:f6:9d:c4:1f:4a:53:ae:bc:63:02:d2:94:e2 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:b7:88:e5:c7:f6:9d:c4:1f:4a:53:ae:bc:63:02:d2:94:e2Serial Number (int): 323790499040958297136869589962589977351394
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 9c:01:b9:63:9c:ad:1d:66:10:d0:e8:ba:11:c9:4a:3f:b3:36:d5:3a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 6a:17:c5:f3:9d:d5:39:24:31:ee:c9:53:46:8d:e6:f6:fb:9c:b8:38
Fingerprint (sha256): e4:ae:1f:63:ef:d8:43:61:fd:cd:60:45:a2:be:ac:4d:08:a4:fb:15:22:1a:df:cb:4d:75:8b:31:4d:fc:8b:37
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----- MIIFbTCCBFWgAwIBAgISA7eI5cf2ncQfSlOuvGMC0pTiMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MTUyMjI0NTlaFw0x OTA5MTMyMjI0NTlaMB0xGzAZBgNVBAMTEnN0YWRpdW0ub3Blbi5hYy51azCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANs4v7AcVXOK/mm8C4H0CxvL6mdT HcRsNR8VfKZ6x6SldsGBZj0qAm7ZmS0XABTV/Zn4Ow32AlhHgaKA45iIzkAbD4BI ysJgA+pAocrszEiOIndToKcePqcAzUcaSC+ynOML7iN85aEbCIOFaGSj6Kz6RuAT mOI6cWbUFWG7WWk521DWkf4cu6doff3PZ5iqfE5qGMO9wZUv2AYaqVEdPjKIMIqS wBXuLy7SQ5RBgQ8Ujtd22mwvayxSNGGMIdoi5SEkf85y0no2GkX0lQB4GhJ3zJAT RIHM6ZgrcZtQ7jxkIuCJvDGaOapfdDkq1b1g71pEvcfzGcl/3KBm1MVqyO0CAwEA AaOCAngwggJ0MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUnAG5Y5ytHWYQ0Oi6EclK P7M21TowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAvBgNVHREEKDAmghJzdGFkaXVtLm9wZW4uYWMudWuCEHN0YWRpdW0u b3Blbi5lZHUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEE AdZ5AgQCBIH0BIHxAO8AdQB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvM VgAAAWtddVpWAAAEAwBGMEQCIBof1L+w5DSel2hVLb8CMToEJnmWrQ7gQiBwUw3M +ceCAiBGRU0XdEQQ7SFC7mD/Yhb5MyUMSEPj2Gm8a5BLYQz7JQB2ACk8UZZUyDll uqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABa111WFIAAAQDAEcwRQIgdxWxa8DM m9J0NzbyjKDf5Yw7TphD7njTi4bUBhEYh/4CIQDASaf0S326a9uOz1VlZQE+Fo3F Yrwl1pw2lvJvXQnlkTANBgkqhkiG9w0BAQsFAAOCAQEAROXNtR8ads3TYKm3Dx4o B6+K7c97QnOtWtscYVRq6Gj0Po7hL3ptyq4V09+/olWhLoQMyBcRaA1WsPGH/tTP e08eo7U9k021IrBs2Qlc465xFKN4PijQWcjLjpYcexYX1X9UgXhMkoPz629CbqLv e97LqBtsVzsXa/GIpRW6DlAKwNvHBRu/S9clC2x1FypFxhzqbfoguQoB0qQJDpG1 B4UVw5gr3Mb0Q51FhdTM54prjAeNcTLLkybQ9RL3Tb0+C2RrjVx3bJ/K36dOYc+U Jvt75FslPWBQJUrL5jhSPLuihTWiDxrIgeVGaCvrA3BPJKP6LWUPwgjE2TjBasb6 cQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2zi/sBxVc4r+abwLgfQL G8vqZ1MdxGw1HxV8pnrHpKV2wYFmPSoCbtmZLRcAFNX9mfg7DfYCWEeBooDjmIjO QBsPgEjKwmAD6kChyuzMSI4id1Ogpx4+pwDNRxpIL7Kc4wvuI3zloRsIg4VoZKPo rPpG4BOY4jpxZtQVYbtZaTnbUNaR/hy7p2h9/c9nmKp8TmoYw73BlS/YBhqpUR0+ MogwipLAFe4vLtJDlEGBDxSO13babC9rLFI0YYwh2iLlISR/znLSejYaRfSVAHga EnfMkBNEgczpmCtxm1DuPGQi4Im8MZo5ql90OSrVvWDvWkS9x/MZyX/coGbUxWrI 7QIDAQAB -----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 323790499040958297136869589962589977351394 . . . . . . . . [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 2019-06-15 22:24:59 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-13 22:24:59 +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 27674172654443888899296619212818672568965573706770143967330518589065356809153518419876726116276506166379020027878469479318192165987923732214035836865079931659403444137655630769325771076095015448581938144712449901510888592481398496979446322300244171540487993491104680314158891757487875860769463561024758429775079377223457650863646194216113884660006640445805573342332437281585510903610837210954717003044733957497441955567109065040684086071635336387994684997424539582518394180841785804903833683907706695152256208422115309200206452124834180543476932922944035373775668802648368036125342454100617831882084388231933896345837 . . . . . . . . . . . . . . . . . . . . [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) 9c01b9639cad1d6610d0e8ba11c94a3fb336d53a . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b5d755a56000004030046304402201a1fd4bfb0e4349e9768552dbf02313a04267996ad0ee0422070530dccf9c782022046454d17744410ed2142ee60ff6216f933250c4843e3d869bc6b904b610cfb25007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b5d755852000004030047304502207715b16bc0cc9bd2743736f28ca0dfe58c3b4e9843ee78d38b86d406111887fe022100c049a7f44b7dba6bdb8ecf556565013e168dc562bc25d69c3696f26f5d09e591 . . . . [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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