hardsoftcomputers.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:24:a0:c8:a1:ed:51:fc:31:7f:ef:29:3f:66:1c:28:d9:dd 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=hardsoftcomputers.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:24:a0:c8:a1:ed:51:fc:31:7f:ef:29:3f:66:1c:28:d9:dd
Serial Number (int): 273800741227402212002401085239479077755357
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c7:96:56:c7:0e:a6:d2:ee:06:ec:90:0b:f7:ff:d2:b6:ea:f0:63:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f6:c6:4a:e7:e9:b9:a6:b6:4a:87:91:20:be:83:67:03:0a:eb:f7:cd
Fingerprint (sha256): d3:8f:d2:b4:a3:42:1d:a6:85:4a:3f:04:70:51:43:69:ac:9d:21:1d:5d:ae:2d:ca:5c:db:16:8d:a9:99:35:ed

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

Revocation information

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

Check the revocation status for certificate hardsoftcomputers.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for hardsoftcomputers.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

hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk

Other certificates including the domain name hardsoftcomputers.co.uk

(limited to 100 certificates)
interestfree.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
r.devicesforteams.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
devicesforteams.hardsoftcomputers.co.uk
interestfree.hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
www.hardsoftcomputers.co.uk
hardsoftcomputers.co.uk
hardsoftcomputers.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAws93HoCGMkzhtPwBFGYj
YZbtZE9MpReMxOdI/jPJptSe15mFNMEgYdq0Ng1WuookAXgb+zuE/zdbX4kMzIY7
V+76J/2sUgicB0Ann47X9tW3ciLvlh4Apq0qEeiVDYs3+7zKqcwFxZZ4VV0DLMoT
tmgYZQ7G6eCCDkF6lLItvTrPgeHlZJjum1Q/rANlkzZaTE2Mm5X/RPIg2XVlVj0z
x0Nf6d11qP9V9vcomoodWKHy2o0IBs6Uabye7vi2rsFLXM6fu6i5Hwo4q2ItZF7z
UOqHCE5sWzOcRd1hZ75Wvd4guprbHcWYUF7ZLZ3lOtmstnXySaKYUDTFNifoZUDM
QQIDAQAB
-----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 273800741227402212002401085239479077755357
 . . . . . . . . [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 2024-02-14 09:01:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-14 09:01:10 +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 'hardsoftcomputers.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 24592536120327186664896079129226415124100729069919084949615598102162303155434965616689736202136788390933904317022575967057119936865608347170703561533508260435537558464668417814126988711824460826436648453223518690410508700459809648435226211091282361160532041802005477513731578317204434140051492933313952911786230986350200831567279713702100175281335605613332229610300789946787360366579393201004672395023984234190543273856334554072851927187719877555804858003354258681049592384136780205641042994981477271438423330285765898098687146678991138364919861588551768141674599799728426305533595495028119740103126104595463980239937
 . . . . . . . . . . . . . . . . . . . . [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)
							c79656c70ea6d2ee06ec900bf7ffd2b6eaf06379
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hardsoftcomputers.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hardsoftcomputers.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)
							00ef007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018da7102cc50000040300463044022034b6ef864243cf32169ae43f861f1a49270b119ad5652787a6ea6187931daca5022055fca4740f81458107496d328f45a1de6c293b313adc2e9d4a5bc385c7f29f5600760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018da7102eb1000004030047304502205b32cb3169cde58423d0a14f35f51235617644e66dbf0eeaddfb7398d9164f1c022100e3f141b61daa7b57f8c830308ad711ad16ea24100839955ceed77d29ca024d42
 . . . . [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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