data.southampton.ac.uk
Issued by R3
About this certificate
This digital certificate with serial number 04:de:8c:f5:b1:b9:45:44:66:c5:aa:8f:f1:d9:de:05:61:36 was issued on by Let's Encrypt.
With 4 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=data.southampton.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:de:8c:f5:b1:b9:45:44:66:c5:aa:8f:f1:d9:de:05:61:36Serial Number (int): 424179196820294701799785938061068842918198
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 81:14:b2:e7:85:c0:13:fc:e1:50:ca:b5:c7:4e:4f:11:1e:3d:14:ed
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): e9:df:8a:86:65:db:9a:7b:3d:48:12:f0:54:ac:b9:79:0c:8c:68:de
Fingerprint (sha256): 0b:6d:25:da:4d:46:43:be:46:ec:d7:b9:91:c9:c3:37:c7:38:eb:59:6c:86:26:85:60:0e:2d:b5:b2:8d:1c:49
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate data.southampton.ac.uk
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for data.southampton.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
data.soton.ac.uk
data.southampton.ac.uk
www.data.soton.ac.uk
www.data.southampton.ac.uk
data.southampton.ac.uk
www.data.soton.ac.uk
www.data.southampton.ac.uk
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Certificate
The complete raw certificate details for data.southampton.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGdTCCBV2gAwIBAgISBN6M9bG5RURmxaqP8dneBWE2MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzAyMjYwNTE1MDNaFw0yMzA1MjcwNTE1MDJaMCExHzAdBgNVBAMT FmRhdGEuc291dGhhbXB0b24uYWMudWswggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw ggIKAoICAQD0WtnhsOI9CNNIm5W1NKCFHi0FeUy18VDJKxyxpLY+UEKCp7HUDm34 WnISXiInxOKvJYOKwm7ZoK8fVLg2ylN/r8XKrFBLn+R0gBE/8KodhGKBnkvrjeMC aqqh0a0mplUz0j3TmyPWW1alogbW4NZ6Jv/UF+LC8PFBW9esrRTpFKARW66aM5Jn 5P13eu63VUWquf/1mpxrU1s0cy/tjMYap+2djjsDh6cAyMpRqgKGQEbqe/agtVqw VhMLlGIXb9iz8gdVJeIwKmevT1Ydj5r06AqrXPgxiIETi6f2VFQWkHBv8X3L+Tvj CbdXr4vSiCrKmiDtNUGwv6hpALL9YN9Iv5YhpPvVMeR2figdpeIX1HHwbMZswbA6 OPpMqC6h+1+O7lEnmkVk8DjrabJsI0vimLRmLMHqdds70tZd8MsUblCKpCVF39oK DScY4039R1lWWS02d7qVjalPv0jnYMUsQgjiXMLsCZILDo5NWvwOW39KiPswfcXE hgUqWpdCVew2TFhkPTWy1MqNstSycN8tV+R9jOugOhN6R0yb1ehbPg1g2Ac0VFk4 wkf8uy0CcLvvFHRV/6Wc+KOqbFBPiu8DvfUjLNcoIdkpdxaYVe1VMdrGeWtdsBcW k47TP1jNWmty+HDU2RyR+RJSPL9/lt2hmQNzuH7PMg1CbeWJjGSXdwIDAQABo4IC lDCCApAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSBFLLnhcAT/OFQyrXHTk8RHj0U 7TAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJ MEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcw AoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzBlBgNVHREEXjBcghBkYXRhLnNvdG9u LmFjLnVrghZkYXRhLnNvdXRoYW1wdG9uLmFjLnVrghR3d3cuZGF0YS5zb3Rvbi5h Yy51a4Iad3d3LmRhdGEuc291dGhhbXB0b24uYWMudWswTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdQC3Pvsk35xN unXyOcW6WPRsXfxCz3qfNcSeHQmBJe20mQAAAYaMXEkyAAAEAwBGMEQCIAZJylSJ ouVtOc5xUn72LRmd7llGFeTYPKxYsXPxKJnCAiATKRT/CQxnp6y3dltojdrOVjcR S6NU094Cfkjvn5ZXhwB2AHoyjFTYty22IOo44FIe6YQWcDIThU070ivBOlejUutS AAABhoxcSUAAAAQDAEcwRQIgYB5q0NpwO7BwD+V536OxYr8Iwi8uQhBZOZgHnwUL iRkCIQCiAyooU1BlIkb81rsor6W/xfOfCp1Edho8k3rc66sQSTANBgkqhkiG9w0B AQsFAAOCAQEALk+p2meZ1q8RSYMeBDQv51+MkW5qzWsRfDVokSR6q89pNEbj8Bh0 g3VNCjnbel4/CWLst1is/VoeyRneObb0AYO1+HiJ0u71kfInKvZYm+4adoi43jPQ 4J6iXme9UHlJkwe20+nDZ40nn8AdHRUX9zdnCxR32/i4EKj1FiCdf/T4DXPTN7s4 xW0j7jcLRkH1L8eABGRnW1SBlbeXPQQarcoW0+sXVlzU2lE64LVRBRlifS6BhceG AVkFSAt2MNRZQvB8cTTO6f7ODR6t5zgvhfYlupKs0nsRED7YXkSWsM4RF5MMEBof S3BfHUztwESsUl5CHU2djZa0Sh2Cl37Ffw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA9FrZ4bDiPQjTSJuVtTSg hR4tBXlMtfFQySscsaS2PlBCgqex1A5t+FpyEl4iJ8TiryWDisJu2aCvH1S4NspT f6/FyqxQS5/kdIARP/CqHYRigZ5L643jAmqqodGtJqZVM9I905sj1ltWpaIG1uDW eib/1BfiwvDxQVvXrK0U6RSgEVuumjOSZ+T9d3rut1VFqrn/9Zqca1NbNHMv7YzG GqftnY47A4enAMjKUaoChkBG6nv2oLVasFYTC5RiF2/Ys/IHVSXiMCpnr09WHY+a 9OgKq1z4MYiBE4un9lRUFpBwb/F9y/k74wm3V6+L0ogqypog7TVBsL+oaQCy/WDf SL+WIaT71THkdn4oHaXiF9Rx8GzGbMGwOjj6TKguoftfju5RJ5pFZPA462mybCNL 4pi0ZizB6nXbO9LWXfDLFG5QiqQlRd/aCg0nGONN/UdZVlktNne6lY2pT79I52DF LEII4lzC7AmSCw6OTVr8Dlt/Soj7MH3FxIYFKlqXQlXsNkxYZD01stTKjbLUsnDf LVfkfYzroDoTekdMm9XoWz4NYNgHNFRZOMJH/LstAnC77xR0Vf+lnPijqmxQT4rv A731IyzXKCHZKXcWmFXtVTHaxnlrXbAXFpOO0z9YzVprcvhw1NkckfkSUjy/f5bd oZkDc7h+zzINQm3liYxkl3cCAwEAAQ== -----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 424179196820294701799785938061068842918198 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-26 05:15:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-27 05:15:02 +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 'data.southampton.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 996880965687818301975240540921481553473464077249535008665464100723771956691243492879154328332806793617035637101228029425622344608656585352789079956162215635328856250734821765412307692453026038239444028339709269598539585970861796433712237392801436334121603862096307188814924649482940432478199208576744198542847872913034416654158805711795343150105784777758298012699231473013685585106847130628925197292322081478177055132438611077577640221499859757656208109101588270877846103734210107372685120362378037996932090017821597940639214084176624049364302941639455262388159014386894125980252022804877867823636528145797076734120734332053179630957569226526758367542451888239204659523581600678335440664197053663649985734059884030962876749001237234661316374390104814376332762991305544285719409394659828718994850846026059839815964657603922037864099797723353264305460589469568409543547300941546875264820815830439680409485960054599475316282134666964578396926069865676098255080304615444870220977613500147861059539276903215478365075812841654353510494767023664997489877482471196755480384421698047723700205583961628208658933666242834511959257654143308520990834286438372922576052212907324844297326314058541110747034543469580790565043338037337803656821774199 . . . . . . . . . . . . . . . . . . . . [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) 8114b2e785c013fce150cab5c74e4f111e3d14ed . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (94 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'data.soton.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'data.southampton.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.data.soton.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.data.southampton.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001868c5c4932000004030046304402200649ca5489a2e56d39ce71527ef62d199dee594615e4d83cac58b173f12899c20220132914ff090c67a7acb7765b688ddace5637114ba354d3de027e48ef9f9657870076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001868c5c494000000403004730450220601e6ad0da703bb0700fe579dfa3b162bf08c22f2e4210593998079f050b8919022100a2032a285350652246fcd6bb28afa5bfc5f39f0a9d44761a3c937adcebab1049 . . . . [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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