jec.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0c:da:7a:81:84:22:89:a5:fd:ef:97:47:cd:1c:aa:cb:26 was issued on by Let's Encrypt.

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=jec.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0c:da:7a:81:84:22:89:a5:fd:ef:97:47:cd:1c:aa:cb:26
Serial Number (int): 265710653988529499630690254915332079274790
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:f4:04:5b:61:85:08:74:47:da:d8:4e:a3:9a:cb:c9:19:aa:d2:d9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e7:f3:d3:ea:e1:d7:e0:15:f1:02:71:b9:e4:a4:e4:e3:ae:f5:53:12
Fingerprint (sha256): 3e:e3:b7:b5:53:62:43:e0:66:0b:f9:e3:bd:5d:b7:5c:97:89:56:f7:d9:38:f0:74:fd:1d:2e:d2:fa:e5:43:4f

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 jec.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jec.co.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

jec.co.uk

Other certificates including the domain name jec.co.uk

(limited to 100 certificates)
jec.co.uk
careers.jec.co.uk
www.jec.co.uk
www.jec.co.uk
careers.jec.co.uk
www.jec.co.uk
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ph-expressway-e.jec.co.uk
www.jec.co.uk
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*.jec.co.uk
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www.jerseyelectricity.je
www.jec.co.uk
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jec.co.uk
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jec.co.uk
mailmarshal.jec.co.uk
www.jerseyelectricity.je
jec.co.uk
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*.jec.co.uk
jec.co.uk
www.jec.co.uk
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www.jerseyelectricity.je
www.jerseyelectricity.je
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GIS.jec.co.uk
careers.jec.co.uk
www.jec.co.uk
careers.jec.co.uk
jec.co.uk
www.jerseyelectricity.je
www.jec.co.uk
*.jec.co.uk
jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
jec.co.uk
www.jec.co.uk
receiver.jec.co.uk
receiver.jec.co.uk
jec.co.uk
www.jec.co.uk
careers.jec.co.uk
jec.co.uk
www.jerseyelectricity.je
www.jec.co.uk
*.jec.co.uk
www.jec.co.uk
www.jec.co.uk
*.jec.co.uk
careers.jec.co.uk
www.jemail.jec.co.uk
www.jec.co.uk
jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jemail.jec.co.uk
jec.co.uk
jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
webvpn.jec.co.uk
www.jec.co.uk
jec.co.uk
www.jerseyelectricity.je
www.jerseyelectricity.je
receiver.jec.co.uk
jec.co.uk
www.jec.co.uk
ph-expressway-e.jec.co.uk
www.jec.co.uk
careers.jec.co.uk
jec.co.uk
www.jec.co.uk
www.jec.co.uk
www.jec.co.uk
extranet.jec.co.uk

Certificate

The complete raw certificate details for jec.co.uk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApDSCsyxIsmD0rgwwJBoZ
nWKl2Jf16pRN82+AV7PuapVJrNoCPkHUc5UaqWXCNcjGKbPXAFF1PA83GMhVmkmn
CXtCl7Xb+V45eXFBA/kLfTbSfjJFnq7rx6V1fsfXpoHyMFgCsq1uusdo4Fzo2gGp
KPV1TbJcNzCgSbYTEn0ZiprZulXihKyJjATqX6hznLvxdvPuH9jol4irWrJ8k9wi
ia8At1oD03SVMDfbe+qqzAZvhdWwnssDmeUOv8mHgz57jekayaGNmN1UFlPxsF66
mSg5TzHfHgctlkTD6R/V+7io84WrJ9SyU78oMCW8qWmhj4DWqB9w9zSNgu/+x2gE
oQIDAQAB
-----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 265710653988529499630690254915332079274790
 . . . . . . . . [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 2019-05-22 15:18:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-20 15:18:18 +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 'jec.co.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 20728975929973855763502231518076883061700201425330635557248097908708505705112263706260507843005350507983168407311866367526402314203362572050181137853777757268969145364266583988676389470350922603090206163020239578598417597498651931670743418753698403274898577406243613709696197273369188296482992903097405954035117712434974168196952065672184620790924742504133118963796754085363311815144252557995211601491883281607521616300461093101795222094441326698238855033511612086354028622618207608808324532181808693900606398337715804473546393568761616501056706703211978283735127027798140920440613815068047125577813385898775135388833
 . . . . . . . . . . . . . . . . . . . . [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)
							d6f4045b6185087447dad84ea39acbc919aad2d9
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jec.co.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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