goodformgroup.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:16:12:78:4d:cf:c4:c1:b0:56:0e:ee:7b:43:9b:a2:9f:de 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): 03:16:12:78:4d:cf:c4:c1:b0:56:0e:ee:7b:43:9b:a2:9f:de
Serial Number (int): 268847620625295201140057138748732033114078
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fb:65:bd:be:ee:1c:d6:d2:d1:55:2b:f1:45:73:8a:0c:8d:4a:2d:e2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): dc:52:48:89:28:be:c4:79:1b:48:08:20:bb:f4:d2:21:86:63:b2:53
Fingerprint (sha256): b7:d5:72:f0:b5:4c:d6:c0:e1:ee:23:65:da:84:c1:3b:e6:7b:49:14:f5:f8:37:d7:83:4c:66:02:28:ce:2d:09

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-----
MIIFCzCCA/OgAwIBAgISAxYSeE3PxMGwVg7ue0Obop/eMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEwMDEwNTI0MTJaFw0yMzEyMzAwNTI0MTFaMB4xHDAaBgNVBAMT
E2dvb2Rmb3JtZ3JvdXAuY28udWswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK
AoIBAQDnIXXpgxOs8deSdQBrhc6O1/2ra8CuQ/vRhRi86rkRZUYms7jlhRhiEnqF
nLmQxII759E0IEAhhfaaW+7B80wWSvClqrTBaIrWulvoRtN6AsnoERU1fFX5WRsH
ipN2VP+Ah3opAQzcaO4dk3GBCmnRQv6qZZcsZU+wm7eAHbZGf9ioFmJcYzwo/gQV
sf5xrX8l72JCdaWCayEAPlmU78qgD/JAUoHmB6IW5ed7SQB3PxBSiX5af4nDbu7q
jj7T3LSDrgDLRaeZ7YbqqjkSsjNTDOU6wssFKK3HmbEIfURe5o2nc5ij3EY9agNE
/LQwBe0PRcJiJEDHRJBXUACISf9fAgMBAAGjggItMIICKTAOBgNVHQ8BAf8EBAMC
BaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAw
HQYDVR0OBBYEFPtlvb7uHNbS0VUr8UVzigyNSi3iMB8GA1UdIwQYMBaAFBQusxe3
WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0
cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5j
ci5vcmcvMDcGA1UdEQQwMC6CE2dvb2Rmb3JtZ3JvdXAuY28udWuCF3d3dy5nb29k
Zm9ybWdyb3VwLmNvLnVrMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYBBAHW
eQIEAgSB9ASB8QDvAHYAtz77JN+cTbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkA
AAGK6eij0gAABAMARzBFAiAliTwzHsVdqvsXY20tT457v9lFc+eUWxz9OZw+hC+4
WwIhAOrA/qNEckg771G2G8k67BVyKbGu4U+TkUdZ8IPFCmSTAHUAejKMVNi3LbYg
6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGK6eikGgAABAMARjBEAiAzSKpdjA1j
q7DHgdLImMogPF3IJfJabFkspPyNQwj/eAIgY/TQWRWUBCPQ6uUq9AUBbMA/if2b
B+/+e+eHWxwjKcwwDQYJKoZIhvcNAQELBQADggEBABrFOENfo7EJCUWWvJLELu0a
32QYiVCTNyZpXr1nJ2hsI4z3c+Ojk1Th6R7usNzykXU/l8IxDEiKlveTwz2dLvfd
zLY0y2IU7sPu9ow++1K1wVkKF3P1qC19kvTDenTM/OFPD7UeXS1EMhRmk0uJJyUL
C4J0PbFxK/+A7N31FSV6HhomYeJlP6AFylcEKANLCLFxQyNBrfnpPlZvd+Mn4SfQ
pEZicJKhUEAFIsg64k0dwOV3bfiKuciirFxzcjh1+BOCw+jExJSYBjXBrTkgWrpA
1rRiTxWjfV9S4sNvLwyRS+ZdE7cuxo3Aa0Rl9MTxVd/9bLQ7SkFXD+O8XQSZjpQ=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5yF16YMTrPHXknUAa4XO
jtf9q2vArkP70YUYvOq5EWVGJrO45YUYYhJ6hZy5kMSCO+fRNCBAIYX2mlvuwfNM
Fkrwpaq0wWiK1rpb6EbTegLJ6BEVNXxV+VkbB4qTdlT/gId6KQEM3GjuHZNxgQpp
0UL+qmWXLGVPsJu3gB22Rn/YqBZiXGM8KP4EFbH+ca1/Je9iQnWlgmshAD5ZlO/K
oA/yQFKB5geiFuXne0kAdz8QUol+Wn+Jw27u6o4+09y0g64Ay0Wnme2G6qo5ErIz
UwzlOsLLBSitx5mxCH1EXuaNp3OYo9xGPWoDRPy0MAXtD0XCYiRAx0SQV1AAiEn/
XwIDAQAB
-----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 268847620625295201140057138748732033114078
 . . . . . . . . [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 2023-10-01 05:24:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-30 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 29177548481203464372254322236348027691713475327937518204886325300414653961785323173139959442645849033526879926815613620607011757513453807542553659553008192915760891258541388122385019919156892052858517603765017204355796360681046496576279226931401559238781048251180841971761730785462965347971745704663880780752492751094644366968846119020246586181313528321405368971838490229398018414807527162468109843609806540506822195922898147382909861217590379221782989616288070911998619936413849962517396099021696407471036180509632162361638725823553958809103436638090641224501936540918147068118625252505455910104751933309051275444063
 . . . . . . . . . . . . . . . . . . . . [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)
							fb65bdbeee1cd6d2d1552bf145738a0c8d4a2de2
 . . . . . . . . . . . . . . . . [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)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ae9e8a3d20000040300473045022025893c331ec55daafb17636d2d4f8e7bbfd94573e7945b1cfd399c3e842fb85b022100eac0fea34472483bef51b61bc93aec157229b1aee14f93914759f083c50a64930075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ae9e8a41a000004030046304402203348aa5d8c0d63abb0c781d2c898ca203c5dc825f25a6c592ca4fc8d4308ff78022063f4d05915940423d0eae52af405016cc03f89fd9b07effe7be7875b1c2329cc
 . . . . [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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