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:f2
Serial 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.org

Check 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

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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-----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-----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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