ukprintingcompany.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:60:c7:46:e7:f7:da:62:84:57:77:ca:70:57:1c:aa:28:c0 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): 03:60:c7:46:e7:f7:da:62:84:57:77:ca:70:57:1c:aa:28:c0
Serial Number (int): 294268849556505689545393924645209248508096
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bf:47:1e:0f:4a:7c:64:63:55:5e:bf:5f:02:8a:5e:ac:76:e2:af:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3e:84:9c:fc:93:88:91:c6:f8:d7:7b:87:2e:f7:b0:a0:a3:d5:88:73
Fingerprint (sha256): 4a:cf:b3:3a:1d:c5:9e:06:31:ab:30:b8:8d:92:8a:6f:fa:fb:31:b2:c0:94:fe:e3:01:2a:f8:41:ee:15:57:0a

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtzmsuUc1FI1aDRbKpb+x
Ltj4lhsWgPUAZvz2Y1/mgW9bnU9WrLTqio1pJWFgDR19imOftEpI1xUHAdlFjbXC
PVdyNrJhy6oyUmJZH58yOM9sJZp1uk2Fed1LBgQKTvFhijUrtBS19NI68loKqA2J
zKLLfKeIuWe6b2FFuvoOFy9+lWXYu5/cYfNxeIIe7ELoL04/BOMhqSjqeMQFU8t8
SzwKY7nQIS8qtNtfTA97UUMZLU4VyCl6zgr1QBLiLuqHh7vWQi6K+Sup+MY89PAN
qYW10wVhh8VzhaYynm0CeHUMzoZb0xTNH/fYZTTPHRti65nPlBtzxhSNB1hss7kA
ewIDAQAB
-----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 294268849556505689545393924645209248508096
 . . . . . . . . [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 2023-09-19 01:43:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-18 01:43:10 +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 23130050264394527125862405000951441747707611822334227772993801387017979592742091293330382027162967105090922769596818398710571168475696662163940533917537017581875530657043189351919350367798919071400853894709747655582282201386889912387706893296742591737599886869966245347307505896260708869324330727495095558016511031870260741162189191174469320286260994041709499202305947683069738795622933019091288777400778373021242639196064208667293684993256061662214656192140743490585210258925876029224595477495603295008279931594356905766349893703297289603457950334409021531426599698917332738628025973822438483937994785710295016341627
 . . . . . . . . . . . . . . . . . . . . [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)
							bf471e0f4a7c6463555ebf5f028a5eac76e2afc2
 . . . . . . . . . . . . . . . . [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)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aab51fd730000040300463044022064e740f36307f3695b50a2218fd698c02dc8f516a99868447683672f87a6a7f3022034708fcd1bebea8560543592870ac1d4910b04265c972f242a4d23d636641300007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aab51fd8d000004030047304502200c1191e2779adc17ba75addd68b83cf5235426194f8054e75cbc7b189b4ab99402210080efd7671973fd6323347e2ab5866613f18d7eae9ee21e6d7bd93186f695306a
 . . . . [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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