hardsoftcomputers.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:d7:cd:e6:e4:8d:3f:5f:4b:5e:65:d8:81:76:68:16:bb:d2 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): 04:d7:cd:e6:e4:8d:3f:5f:4b:5e:65:d8:81:76:68:16:bb:d2
Serial Number (int): 421883543218036300302003536375328695303122
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9a:49:bf:07:53:aa:ac:41:59:08:1a:0c:a6:3c:4d:90:24:34:fb:9e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 72:af:2f:5a:18:88:1d:78:3f:38:a1:6b:41:3b:99:e8:21:eb:da:21
Fingerprint (sha256): 3b:1c:32:f0:a8:27:b9:e7:31:05:01:81:97:b3:7e:ad:7b:10:89:d6:09:c5:e1:72:d0:0e:80:48:dd:0a:ce:94

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwZNqNYnl6KEeHUVzNq+c
NqIJpD1pL8fc2AVmdZVpSeZOzg950sBgJr7tZSl9Rj34ebKRPWg0Vyz/rasv98F2
uhPLrGA1h0iwmdUgAaes7zD9GMnYtR4GDEMwykC/prI2gneFmtnXQnffbcoQM/iI
dAclqqM4K4SyBH/Ockgl7ySOEV7rY1SisCPw0nSQfE4esHpHWWmNGmCJn/ta31F5
Z/KAOqB7NeKFWOQWtxVEuHizQWXekXZiDyqXfOnK/xC5TybaccNt1Ly9fpZ/mngl
MChCksLev63Yt/b3cpLsjvKHpRRejF1azKlEweyWf+7Y8TK/xSRVm2rMq77Ti0eU
7QIDAQAB
-----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 421883543218036300302003536375328695303122
 . . . . . . . . [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 2023-10-17 10:35:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-15 10:35:44 +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 24436685844803508743703652549437015112508445505868733245353794476772108936095787242436372963730935690832527720757314051797261544339550137067559119378680744697020697154101847331543626435082744688834436467673847738306641899009167281410454695167420437739603064667511259100334279193353290572718687049957240765343036412357715623394918230722960779126624435541070105019438418573612703814465733837366819805101537490356502635123938054582389814477220276435316589369016303914043027166264098055010263504389550103103562983949548538722971858666698392129165185591796378755597287065694618292034962282431486337616641373953691090392301
 . . . . . . . . . . . . . . . . . . . . [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)
							9a49bf0753aaac4159081a0ca63c4d902434fb9e
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b3d6ba1980000040300483046022100c43f22b62bddfb10293b11d7e63d3622ad480a6901602e8344f3df3f24beed84022100bdd78cedc98beefa8eddf3ff8116e273c20c5cfa3b76aebeb556355c90a7224300750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b3d6ba1cf000004030046304402207dbfd39fc1d37c084fecab6560bf8cfa33451299d89508b247a96cc6bff7354502205d4ef84a18b68e19920caf2dabc96d11f47d281154fa8df5a66e9a77512c9433
 . . . . [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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