dse.oucs.ox.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:98:f1:5e:af:1f:13:e7:7f:2d:d4:9e:5f:d8:83:92:8a:e1 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=dse.oucs.ox.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:98:f1:5e:af:1f:13:e7:7f:2d:d4:9e:5f:d8:83:92:8a:e1Serial Number (int): 313380613142036167140092960993350987713249
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 71:62:9f:42:c9:ae:00:fc:cf:90:b7:e1:91:dd:31:aa:e8:25:19:ea
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 37:d1:6c:de:8e:15:0e:21:c0:ab:68:05:f9:d9:3b:50:5c:64:65:93
Fingerprint (sha256): 01:90:f6:c5:a3:09:45:9d:7a:d8:53:af:dd:e5:f4:cc:52:55:3c:cd:66:2f:48:1f:9d:53:76:e4:7b:61:4f:5c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate dse.oucs.ox.ac.uk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for dse.oucs.ox.ac.uk
Public Key Algorithm
RSA
Key Size
4096
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
dse.oucs.ox.ac.uk
dse.ox.ac.uk
dse.ox.ac.uk
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Certificate
The complete raw certificate details for dse.oucs.ox.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGaTCCBVGgAwIBAgISA5jxXq8fE+d/LdSeX9iDkorhMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMTYwNjA4MTZaFw0y MDA0MTUwNjA4MTZaMBwxGjAYBgNVBAMTEWRzZS5vdWNzLm94LmFjLnVrMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4iExEKF/u6nacxWMSOmXxofr4QrJ 5sx8VquMxQLYuyiDpk4/zan58e7ft88zYUVRUzdnub1wfhG5PB5w3wo5BT3sBwz0 c3eiY/6h8WLX65ANUJtP67wSs7XeElD+E5K2Bc/3nsR2BdcxoV0bSz58x6NO+DM9 lBeB+PXY7fBKYrnvvDg/x5UQAn/GcfsQpauvRxcIh0Vp1b7x+AbunjHK3txzw3iU eP+8PS55ld8mf6ROjJr74C5/F6ymaIfjTb45wtTo+hRYJWiUpOGZjc3WWe1z65tp Ymb7AttiwJk0urYrhvjmlpLvKhS6ywGtpgNKTdNqfDGipYaCz372yiTe62Lp48kx qwB7xEc8Jaswj4ETuknz9SwUoINA80Hs3P6oEzrHSyqw6FcqBfEF+SBnE2Dj9wpQ GAKCbYUBJ9RjbmowVRb9xotcroQ5fYAOyPyluBBiOWyueQvo7RlO1/3QZHvdhSZq M+V/s/W0E4GvZSRWROqDqpQoelqtFpiiIAcJRc3F6izdXa/Wx0f4wPNpAeB6lViy pHfgJp0rwKrH7EpS6LQxoZHFzhWehJggkq7djQcK4uSk00+zGA0AulUa4uJbKHNN VTRCABHr0TwQgkgy0Zoj9mowgs7jyauopvWDPJRVIs2CLOnSuExh5FRTSQ0KNv/d 8LeDSDfd+wqfIm8CAwEAAaOCAnUwggJxMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU cWKfQsmuAPzPkLfhkd0xquglGeowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAqBgNVHREEIzAhghFkc2Uub3Vjcy5veC5h Yy51a4IMZHNlLm94LmFjLnVrMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQB gt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3Jn MIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYA8JWkWfIA0YJAEC0vk4iOrUv+HUfj meHQNKawqKqOsnMAAAFvrS5lvwAABAMARzBFAiAUu7pWbTq8RU4VtZIIlT6TcGeG iKsb0Bic+bDpOKsQpwIhAP7lEKwRXg42by/OFuMRwO24bz/gDidmjeN7VH2Eqg5w AHcAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFvrS5l5AAABAMA SDBGAiEAz9P0NkShOJPXxdubDZy2Avu22EXg7PeM6CCpaf6/sLcCIQDUsJVw/PU8 UKdLgf+LpIAZ+IvVDY1aw93UYM7AqJK6djANBgkqhkiG9w0BAQsFAAOCAQEAPfkO vPpxKl+APuv9LsVw2KWXxMELAjp/p00CrPWoVDnDmRlluQ6D1pt3Z6BLlYzAaE8j AppWhBXm5Mp+H2nmq4ESvljKFsAXZ5UM+3bvmWTHCN89UFdN2Xo6pF5QszMQTeWQ NOd+eEa3LvbxwfJqhuizC9+m9QQ1OhtV/GkX1l+BzN9yittlO2ulggFteEI7HhXM nhYK5B/xXQSEGVmo22z1z6fn2cAEPy3qASjfPZsgFfxfkr89PSmOVPIZ4yZOE6Y9 Vx4LbXdGjgmeQNLGnwHQMBKCLIw17yE/rI8IObdZih1NkDOhwDc+bVnsqKySmVHB U07s+8CmKp4hi53W/Q== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4iExEKF/u6nacxWMSOmX xofr4QrJ5sx8VquMxQLYuyiDpk4/zan58e7ft88zYUVRUzdnub1wfhG5PB5w3wo5 BT3sBwz0c3eiY/6h8WLX65ANUJtP67wSs7XeElD+E5K2Bc/3nsR2BdcxoV0bSz58 x6NO+DM9lBeB+PXY7fBKYrnvvDg/x5UQAn/GcfsQpauvRxcIh0Vp1b7x+AbunjHK 3txzw3iUeP+8PS55ld8mf6ROjJr74C5/F6ymaIfjTb45wtTo+hRYJWiUpOGZjc3W We1z65tpYmb7AttiwJk0urYrhvjmlpLvKhS6ywGtpgNKTdNqfDGipYaCz372yiTe 62Lp48kxqwB7xEc8Jaswj4ETuknz9SwUoINA80Hs3P6oEzrHSyqw6FcqBfEF+SBn E2Dj9wpQGAKCbYUBJ9RjbmowVRb9xotcroQ5fYAOyPyluBBiOWyueQvo7RlO1/3Q ZHvdhSZqM+V/s/W0E4GvZSRWROqDqpQoelqtFpiiIAcJRc3F6izdXa/Wx0f4wPNp AeB6lViypHfgJp0rwKrH7EpS6LQxoZHFzhWehJggkq7djQcK4uSk00+zGA0AulUa 4uJbKHNNVTRCABHr0TwQgkgy0Zoj9mowgs7jyauopvWDPJRVIs2CLOnSuExh5FRT SQ0KNv/d8LeDSDfd+wqfIm8CAwEAAQ== -----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 313380613142036167140092960993350987713249 . . . . . . . . [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 2020-01-16 06:08:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-15 06:08:16 +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 'dse.oucs.ox.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 922528505305731993937471855313850341684997873555060039937935686312756503915355443441494285255171204086845956561087816841084916727600288447948450713215208318062985367467329392251362784714683350881937280753350116001477206311032490632342978286009256063102822209315246248099475815787261335378383906759128571830866576261500632019888264586106439359392998130725636227102292620918732772788515938347673248745340705750350021440929433681252982562251507671425828154269112142535481037533649443861326831276941862222220834954262051798882734162564668427493652446967382766633693932386978808819038038226811462532716334504179568238399121890759091064732786219813619885012103920282115944266288552058572811104519739830388922867197435408840925012764701515670679547176783405101066035336258163460616452180059524372016013609108754704866168812786413370250381081641276648077420517224460531955644990670805899352301085673703026417445468369591759958136285043746949332459536009313979058225065512407250973209817994697537640232042915221436683156390849753563760597880255296891923368485135225094645933020127126846138297362519697741036861794618794624557784607098554522179588294972615813358412994659968651370089906376669226980030674250643906487775008914291563391898034799 . . . . . . . . . . . . . . . . . . . . [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) 71629f42c9ae00fccf90b7e191dd31aae82519ea . . . . . . . . . . . . . . . . [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 (35 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dse.oucs.ox.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dse.ox.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016fad2e65bf0000040300473045022014bbba566d3abc454e15b59208953e9370678688ab1bd0189cf9b0e938ab10a7022100fee510ac115e0e366f2fce16e311c0edb86f3fe00e27668de37b547d84aa0e7000770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fad2e65e40000040300483046022100cfd3f43644a13893d7c5db9b0d9cb602fbb6d845e0ecf78ce820a969febfb0b7022100d4b09570fcf53c50a74b81ff8ba48019f88bd50d8d5ac3ddd460cec0a892ba76 . . . . [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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