goodformgroup.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:5d:0d:24:07:34:06:34:8f:ae:48:38:a8:67:c3:8e:8e:3e 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=goodformgroup.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5d:0d:24:07:34:06:34:8f:ae:48:38:a8:67:c3:8e:8e:3e
Serial Number (int): 380112870883419026977750144258278836571710
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 63:56:ea:a2:5b:74:34:ae:54:3f:cf:6d:ba:c4:a8:a0:ab:62:d0:7e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8e:4c:6d:cb:90:1e:1f:d3:28:9d:5b:9b:c9:c7:7c:5b:7a:36:0d:c4
Fingerprint (sha256): 28:62:9f:1c:80:95:e2:3b:87:90:c3:10:a9:33:63:8a:55:46:45:7c:5e:2c:bc:28:5e:e9:32:3c:fc:f1:91:10

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

Revocation information

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

Check the revocation status for certificate goodformgroup.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for goodformgroup.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

goodformgroup.co.uk
www.goodformgroup.co.uk

Other certificates including the domain name goodformgroup.co.uk

(limited to 100 certificates)
goodformgroup.co.uk
goodformgroup.c4287967.myzen.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.c4287967.myzen.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk
goodformgroup.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9W+HD2czC6wjXTYmyqmV
ptf5NtlpW/0h68DhJEv7xpTIHR9dHrV/V4+dMOWucWfzFukKqzdKoNnegBeHA4xH
fpf6UR57OLYFmgIE+ss147XCAW6q7jvTRhoSBpgl99g4hLvzptASsKoWzr6ZejkA
XutvBg83VsNNbmqPoW1pQ7gaPL0OMSTnpnfxFkWEBKSJSx9+2mBSp1Y7IGYAaIoG
AmNYepTe4b9jTQpsRtYo8Je+9JXl8usZV7s+B2anrUfdroY0eTVeidPor2k30Guc
h7joifzZ90N2WJ2Ntt2h91bL6ERI6QYkDhvXXy3FIO5o4SJ/2a2nfIgbFOCsFFQ0
VwIDAQAB
-----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 380112870883419026977750144258278836571710
 . . . . . . . . [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 2023-11-30 05:24:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 05:24:11 +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 'goodformgroup.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 30983381015522387449230981333930779566955983772169972364521247279766596662786653578774751648991088816247036851684245629120889081026806577005505397711713085083112279235841872143166265459300982672665459264868221870112383660851130927110188258897709055055696062092640385122294299047092222381321714862100904857070957503946573909992370638535909378160843274156938263473357615984554066594191388492283580721470417820979267854659134714496472472461179886776482091737090847268577345069167839331468297272914907376007319422234200397278868924333976826705795687429687102331036586770344182773906947525882294031354874255749949322179671
 . . . . . . . . . . . . . . . . . . . . [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)
							6356eaa25b7434ae543fcf6dbac4a8a0ab62d07e
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'goodformgroup.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.goodformgroup.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)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c1ee6353a00000403004730450220479a1a574181db088a528b5f423bd377d107e84626bedb616e020f97af77608c022100f9a9951ce7c9e14d43c3aaf585fdd650cc112a99d1be8c77a3229d94ba3afc1800750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c1ee6358d00000403004630440220405636d754b038f95897e0b322d4edcfa963a96c234fafb6ca7732ffc2f9e196022001b2b4eb2a9027c4a25295f6bfb1c95d1b8fbe9fd6a77d023bdb16cc20c387a8
 . . . . [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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