centurylighting.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:e5:f0:60:a8:05:91:87:f6:d1:91:9c:7c:b4:97:0f:a2:41 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=centurylighting.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e5:f0:60:a8:05:91:87:f6:d1:91:9c:7c:b4:97:0f:a2:41
Serial Number (int): 339581036407548441148963448848282364650049
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d5:56:59:45:7a:6e:7d:7c:b3:3c:d3:d0:af:ff:ac:cf:63:40:f7:4a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d5:5a:bd:1d:21:28:50:b7:f0:30:25:24:b4:4f:23:0b:2b:af:2f:39
Fingerprint (sha256): 21:37:76:17:b6:40:7b:a4:51:eb:7e:0b:d5:2a:eb:1b:67:70:0c:39:fb:0f:c2:db:db:9f:d9:d3:f5:56:47:60

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate centurylighting.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for centurylighting.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

centurylighting.co.uk
www.centurylighting.co.uk

Other certificates including the domain name centurylighting.co.uk

(limited to 100 certificates)
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
remote.centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
remote.centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk
centurylighting.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwfLYUitd3X4s3vuV2Pm0
Wme8SDgDATYRlcXdaBBwd5MBBtPX+E9CIyBVU6m2wKFNMu3OHs/4K0mokFAoUu1b
9p28mO4qlYXkEyGviHdLWE29TBHILIYB0uc4yCrC39MXZEI2YfAtSEcEiqpcK2WA
qOFW6/Ps3rlB4SX4hIbJJRFrWMpBL+goV1Kgbo8nBGVjb4DC+lIieEwj8XaRigKX
E1JXF/RxTQPqNdzJuauGRGErI+ceyI3qd4NaD5Zb0Ry5++c0oqScolzTzXHK1A1R
aYuydE5r+RdpEhzM3AuNm8afUxIe7MvdZ1pbBLS8r0m2lRgg3o9ceD9e0rzeKrK3
BwIDAQAB
-----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 339581036407548441148963448848282364650049
 . . . . . . . . [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 2023-09-16 23:35:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-15 23:35:50 +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 'centurylighting.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 24483744193019195505160078745099675317010171513933270976510985132328597718113637788230270826864544254779096332908095080191934340933549706984184913359145113585233352654748364987546300061478113805049214446873013851861255445685059630777278904844699191199476981784512866495418976572433829211235905465942556357999206046936277194601133356869295794729118123696420741592911219456326317366760875803747449506712236795286657508440342195977101232640913128736195311187800965463887771234594010435989894415473135361744061391420701608731037443479518720689069985802005026630873546369020193605997502048245760483673628726307567856432903
 . . . . . . . . . . . . . . . . . . . . [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)
							d55659457a6e7d7cb33cd3d0afffaccf6340f74a
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centurylighting.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centurylighting.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aa090b163000004030046304402205ca63dfab873e00e512947f80e1f926a240dd7300e1c89a9377d082faf4d9a3c02204edd147e81c3b17509e17ffcca1eb49ca834fb99145e9a7011442ce3ab104d0c007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aa090b1660000040300473045022100fa6f964f40d4854c4479992e03d1cc57c3afd43f9b6af01e5e227b31c684576f022078ac0d1513ca80cc0d34830a631de111cecbc94e48de7f219ab924dcd8659790
 . . . . [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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