bigdata.kmi.open.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:76:26:08:8e:76:48:64:65:f9:df:56:98:8f:88:b5:a3:f2 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=bigdata.kmi.open.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:76:26:08:8e:76:48:64:65:f9:df:56:98:8f:88:b5:a3:f2Serial Number (int): 301540732183639664900419112703469987144690
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 26:f2:00:49:b3:f7:28:d1:9c:7d:56:7e:58:50:4b:92:f6:6a:3a:69
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2a:c5:e4:26:84:3f:51:50:17:04:66:73:ef:e9:bb:ca:4e:96:b7:25
Fingerprint (sha256): 05:01:3b:2a:d3:a0:ca:06:56:a3:2a:7f:62:b1:2b:82:3f:57:79:1c:a7:7c:f0:81:fc:4e:34:5f:e4:bc:dd:e1
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate bigdata.kmi.open.ac.uk
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for bigdata.kmi.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
bigdata.kmi.open.ac.uk
httpfs.bigdata.kmi.open.ac.uk
hue.bigdata.kmi.open.ac.uk
manager.bigdata.kmi.open.ac.uk
httpfs.bigdata.kmi.open.ac.uk
hue.bigdata.kmi.open.ac.uk
manager.bigdata.kmi.open.ac.uk
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Certificate
The complete raw certificate details for bigdata.kmi.open.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFwDCCBKigAwIBAgISA3YmCI52SGRl+d9WmI+ItaPyMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MTMyMjIzMzFaFw0x OTEwMTEyMjIzMzFaMCExHzAdBgNVBAMTFmJpZ2RhdGEua21pLm9wZW4uYWMudWsw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCwR/8RC+pmDk0Sqhh97Hqp nfDKxm9D4rGzqsVWg+cH0apOVNM2oORadjKdB85dKmh6UgZph3O/CvWtnxx/BVAG ZEcYuWI9yvCekAz/hAgLXIlcokhPOxa3TI2QIYvQ+sUKR5iP9snaamgpgoOQYuKY 5MdxKamsy330hwgy/g0IAbVer5ia953/uLcwg5THpsouteLcDow67Fc9ZI0iWdnq yNMZeK06Xdma5UrgbNndO9hl7HHIvDxwe+nPo4He2QtASZLOBz+zQfN1M8JLDk7d QylcuyDGNIDwvyiDjC9jICZoNN8n0c4LKmzISuqooQ80hGHAwvwtRjPMnPU9tmLJ AgMBAAGjggLHMIICwzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCbyAEmz9yjRnH1W flhQS5L2ajppMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wfAYDVR0RBHUwc4IWYmlnZGF0YS5rbWkub3Blbi5hYy51a4Id aHR0cGZzLmJpZ2RhdGEua21pLm9wZW4uYWMudWuCGmh1ZS5iaWdkYXRhLmttaS5v cGVuLmFjLnVrgh5tYW5hZ2VyLmJpZ2RhdGEua21pLm9wZW4uYWMudWswTAYDVR0g BEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0 cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEA dwDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWvtpg7yAAAEAwBI MEYCIQC191XZMktKZsspdziwfBrSNSvuQs6kAcjZxR/4QMkPFAIhAP5dCZPZ0Hbi /K2yfOVtOSXADtWUAfHvvF3xVMMwiztZAHYAY/Lbzeg7zCzPC3KEJ1drM6SNYXeP vXWmOLHHaFRL2I0AAAFr7aYO5QAABAMARzBFAiAPNwHjrjp0YAkKeqULqRDzpN17 0TGthI9D80fKWf6gWAIhANysUoGEjLHkiT1Ae8KjodsAFehaXwlkFT6wqkggQUqU MA0GCSqGSIb3DQEBCwUAA4IBAQBZzmY99Oep7JhAcZY26Ry0LDCRzgRfcvZ1FruY ZCFmCkqn0MtHlvFhNbyHT7SMTBeL58VbEq9C/f4rnpDhbYNiA7Yaqiu1dRidO3NI ZLraDgU9/a78Tl1dF646J7q0oTlBDmcoBILXecbY7rHX9kaFUjbe12Ykl2ls47sA E2YWYgjsXDgAw2mtIglIH+5b7MxXk55ks6rgrAmZ5UxyiC4sF7S2iBQ5Z8kjZP55 U49oz8RIOPyfFWjnfZ5kx/H1QfdnpSmBdUqYns6+rP4Ww4C4Cayyy4HnnkYf+oZq El4M7F48cksO7rkHItaWn1r6aQFdGuXE+2BLWAxM1ZdmKKDW -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsEf/EQvqZg5NEqoYfex6 qZ3wysZvQ+Kxs6rFVoPnB9GqTlTTNqDkWnYynQfOXSpoelIGaYdzvwr1rZ8cfwVQ BmRHGLliPcrwnpAM/4QIC1yJXKJITzsWt0yNkCGL0PrFCkeYj/bJ2mpoKYKDkGLi mOTHcSmprMt99IcIMv4NCAG1Xq+Ymved/7i3MIOUx6bKLrXi3A6MOuxXPWSNIlnZ 6sjTGXitOl3ZmuVK4GzZ3TvYZexxyLw8cHvpz6OB3tkLQEmSzgc/s0HzdTPCSw5O 3UMpXLsgxjSA8L8og4wvYyAmaDTfJ9HOCypsyErqqKEPNIRhwML8LUYzzJz1PbZi yQIDAQAB -----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 301540732183639664900419112703469987144690 . . . . . . . . [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 2019-07-13 22:23:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-11 22:23:31 +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 'bigdata.kmi.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 22253444399319198572403951924779965493406367474913123964798028019089875334260510757404247689188504809694790793260811503236657512865465410357760458559033376681435158479523845217489551522879261325617624330004606466019284096232654224324153155510942626438240970244074264096057329697905340840916039898587534467519150900851758582972159589599219177802988450066398963565299412206623645786963380900652448921963954699127666867539112152913146374908412932913359109409861073704083363765545346806814733673967070508463576406151185289168207117742754725774878093680075593462308571829342377901600326545172836744773025377648580788380361 . . . . . . . . . . . . . . . . . . . . [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) 26f20049b3f728d19c7d567e58504b92f66a3a69 . . . . . . . . . . . . . . . . [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 (117 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bigdata.kmi.open.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'httpfs.bigdata.kmi.open.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hue.bigdata.kmi.open.ac.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'manager.bigdata.kmi.open.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) 00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016beda60ef20000040300483046022100b5f755d9324b4a66cb297738b07c1ad2352bee42cea401c8d9c51ff840c90f14022100fe5d0993d9d076e2fcadb27ce56d3925c00ed59401f1efbc5df154c3308b3b5900760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016beda60ee5000004030047304502200f3701e3ae3a7460090a7aa50ba910f3a4dd7bd131ad848f43f347ca59fea058022100dcac5281848cb1e4893d407bc2a3a1db0015e85a5f0964153eb0aa4820414a94 . . . . [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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