ukprintingcompany.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:43:72:4a:86:70:01:3d:8f:cf:49:4b:25:8c:53:54:ca:0a 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:
  • 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=ukprintingcompany.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:43:72:4a:86:70:01:3d:8f:cf:49:4b:25:8c:53:54:ca:0a
Serial Number (int): 284287695327187453978201767353873543252490
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0d:8e:3b:bf:c9:13:0f:c7:bf:4e:4b:60:81:fb:20:4f:40:e0:de:06
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 56:97:fa:7a:66:53:34:3d:3b:5a:d7:64:0b:ca:ce:a4:84:d5:be:9b
Fingerprint (sha256): d1:91:09:91:8d:46:ad:0a:fa:95:86:0f:90:7e:ac:8c:e8:0a:cd:4f:4e:cd:03:31:58:41:0e:27:1a:b8:3f:3e

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

Revocation information

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

Check the revocation status for certificate ukprintingcompany.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ukprintingcompany.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

ukprintingcompany.co.uk

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1W3DovdNZoW48pKRK/iw
Ifi62j8KobAjAzTDY8WqAb7ppHbhZm1ymVu4sU26d6Q57WdXMUx6KGBfGK9k67na
tQTZKKFxW6SIL7ksDqNR13kAnsWklIAugyWG/OrrO14yAuCwPmUPD0mQS4I9ejpv
R+TJhrA/5W444gOKznvlMht5jZXfcmi+/udOMkBtXXIYU86OM8gb4x8xWg/0SJwO
nqXvkMeQnAcRxCmrDKUFHkWTMh3SkJBjCU4aaTxF0fwwlqU7AhpmEo7Zt3r7KWyw
/GO+G7x1uetjEDa8euezknuJKZzlYBTBxZtZntjVQBCp7JUjhJ2ei1LtzQxBhoI+
owIDAQAB
-----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 284287695327187453978201767353873543252490
 . . . . . . . . [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 2024-01-16 23:46:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-15 23:46:15 +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 'ukprintingcompany.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 26942885704791714870518869781685603687399024079338981197962923643058575215442916628662296158853928971888345693139808858442515970463677989182484277592543539474952901865910145936445016795802793322059776993516397466442389513168612584118589937020992086781809219197890364214415876539700643760910102341376105596567880771409365871693152684939539937886752250573465837986526257879791292577987941196209342380415980279897258368786922357035616239544116868008761420300452941394994821857608126848282672879646877646719279541729251925959009043966353368670797410212231738425989954921836671247906726396470631042787087742202107811479203
 . . . . . . . . . . . . . . . . . . . . [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)
							0d8e3bbfc9130fc7bf4e4b6081fb204f40e0de06
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ukprintingcompany.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)
							00ef007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d14e21027000004030047304502210098914a0d8c27418b1ea6ecd2302e3e242219c0cc68c5d778b577bda2b80202710220200678bce571cb12075ce55f83620c15b8bed7bf25a6d810978eb8f3f3e9029100750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d14e210a5000004030046304402203fb14380b0e9113666f2235d04844118d304a0b9c00153b56c9731880e1a3cae02204b43597bf6fca951d1b6853868613bb73d236049b81e5e32e06b7d2161d2f817
 . . . . [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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