goodformgroup.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:df:52:38:9d:7f:92:a5:e7:5f:58:31:52:a6:e1:e0:51:50 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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:df:52:38:9d:7f:92:a5:e7:5f:58:31:52:a6:e1:e0:51:50
Serial Number (int): 424441402209134374780196878763414918287696
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c4:1d:4d:0a:80:d9:43:16:90:6a:d8:f1:04:21:24:7d:82:14:5c:46
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 21:27:d2:69:ba:02:2b:a7:4f:cf:1f:50:60:44:21:72:95:70:cc:b6
Fingerprint (sha256): 21:04:a6:ce:78:33:35:c5:21:aa:21:ca:c7:78:3d:8b:9f:65:00:f2:61:aa:38:5e:ff:fc:e1:a0:08:0b:8e:f4

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
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtOs/wgYlRGYnq/26tJLY
8VN2r07pJgIwjSy8ppTFagl5NQmRjCaBNxVwCh9K5hG2VEDelftvbVU+Irp+wKP5
rFl7+mZzMsXCfNwA/NMkKEnZKF1Hyz099z3wMrDBY0lECzaspwjLM88A2rkxr2RL
CClluhbpyDQbk6pQERyh4l+fKIa5r6lDF3D4fwYAjaJwtlY+xSTI7Jza4nb4wkz1
Hidh47rzqreIi0Zeu0ZIXyE0MD1Pz5v7mMb6qXjH2dRQaVlH+gtCojMtm/2RVppU
9rHaq79cFZqTXochqZVB25p50MTgcXqMrAox68GCmcAb3z1EdEnXq7yIZN/IY24B
IwIDAQAB
-----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 424441402209134374780196878763414918287696
 . . . . . . . . [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 2023-02-03 07:35:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-04 07:35:11 +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 22838900526165550563343323333132820900590440325221817923892145040598077141162737629108742728749171686533057290218884672220384458398416251155993759710730836331559860082869379119434593169461959472403764003345699242799687054396737910623569706875559999950627603259551678350363376773690172657166158201180463534234849223441133380980147104505262658615051006823592205106834250057360421716203224291339459699432067936100081558282739423422312695110390673779380136350864959334150698666716404003111004001899836473719864537974819355715548453193966222817621337657028989232526024484441649405340979490426233760589547718864691771867427
 . . . . . . . . . . . . . . . . . . . . [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)
							c41d4d0a80d94316906ad8f10421247d82145c46
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186166a56a2000004030047304502207ca7ce5ad6be48de54a94855c437658f2804bb4bd1350b448a1a41c633bfcf55022100aabc576c520b7aa6f623744fde7c0883886321d4cc27d3d202a946f9ba294c4d007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000186166a568b0000040300473045022100974e19deafb0ec7a2c80004dac7b8886d84bc613c61391fbe4c349b69f6b508e022042c3783e913ecf1eaeb1b286fba68c79c454966f815e3432fcb57953291d9f6e
 . . . . [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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