kgs.org.uk
Issued by R3
About this certificate
This digital certificate with serial number 04:80:62:9c:d0:87:6c:3e:df:73:22:2d:8c:87:30:0f:2b:ca 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=kgs.org.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:80:62:9c:d0:87:6c:3e:df:73:22:2d:8c:87:30:0f:2b:caSerial Number (int): 392136365264288462987108390768810598017994
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 80:d4:60:b1:97:21:47:32:44:a8:16:f9:3f:21:ba:1f:d4:d1:ce:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): d7:7f:04:f4:cf:4e:35:f0:e9:6a:49:57:c2:9b:30:be:b4:15:f6:a3
Fingerprint (sha256): b8:45:dc:c7:28:c6:e6:31:24:de:32:80:1e:be:4e:0a:fd:59:f0:03:3b:dd:1a:7b:96:e9:7c:f2:99:a4:2c:fa
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate kgs.org.uk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kgs.org.uk
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
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
kgs.org.uk
www.kgs.org.uk
www.kgs.org.uk
Other certificates including the domain name kgs.org.uk
(limited to 100 certificates)
sport.kgs.org.uk
sport.kgs.org.uk
intranet.kgs.org.uk
*.kgs.org.uk
*.kgs.org.uk
intranet.kgs.org.uk
cc4.kgs.org.uk
kgs.org.uk
sport.kgs.org.uk
*.kgs.org.uk
sport.kgs.org.uk
kgs.org.uk
*.kgs.org.uk
kgs.org.uk
*.kgs.org.uk
kgs.org.uk
kgs.org.uk
*.kgs.org.uk
sport.kgs.org.uk
mail.kgs.org.uk
*.kgs.org.uk
kgs.org.uk
intranet.kgs.org.uk
kgs.org.uk
kgs.org.uk
cc4.kgs.org.uk
kgs.org.uk
sport.kgs.org.uk
sport.kgs.org.uk
cc4.kgs.org.uk
*.kgs.org.uk
cc4.kgs.org.uk
sport.kgs.org.uk
intranet.kgs.org.uk
cc4.kgs.org.uk
kgs.org.uk
cc4.kgs.org.uk
sport.kgs.org.uk
sport.kgs.org.uk
intranet.kgs.org.uk
*.kgs.org.uk
*.kgs.org.uk
intranet.kgs.org.uk
cc4.kgs.org.uk
kgs.org.uk
sport.kgs.org.uk
*.kgs.org.uk
sport.kgs.org.uk
kgs.org.uk
*.kgs.org.uk
kgs.org.uk
*.kgs.org.uk
kgs.org.uk
kgs.org.uk
*.kgs.org.uk
sport.kgs.org.uk
mail.kgs.org.uk
*.kgs.org.uk
kgs.org.uk
intranet.kgs.org.uk
kgs.org.uk
kgs.org.uk
cc4.kgs.org.uk
kgs.org.uk
sport.kgs.org.uk
sport.kgs.org.uk
cc4.kgs.org.uk
*.kgs.org.uk
cc4.kgs.org.uk
sport.kgs.org.uk
intranet.kgs.org.uk
cc4.kgs.org.uk
kgs.org.uk
cc4.kgs.org.uk
sport.kgs.org.uk
Certificate
The complete raw certificate details for kgs.org.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEYDCCA0igAwIBAgISBIBinNCHbD7fcyItjIcwDyvKMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzAyMDQwMTQzMjNaFw0yMzA1MDUwMTQzMjJaMBUxEzARBgNVBAMT Cmtncy5vcmcudWswWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAASHbVQcUYYsFRLG 7TXlETkGoJ00eyVJYRsOcTywNvTrkrsOtBjqdowfjEGrP75/Pp4B/tTR0FzGkguR QnWXWau5o4ICVjCCAlIwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSA1GCxlyFHMkSo Fvk/Ibof1NHOwjAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggr BgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAi BggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAlBgNVHREEHjAcggpr Z3Mub3JnLnVrgg53d3cua2dzLm9yZy51azBMBgNVHSAERTBDMAgGBmeBDAECATA3 BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNy eXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3ALc++yTfnE26dfI5xbpY 9Gxd/ELPep81xJ4dCYEl7bSZAAABhhpOl1QAAAQDAEgwRgIhALAy2OW7x+jvetQU ZlAvZld4+VWaHvdTkSMcKXHvKv/kAiEAplIvuwK0/bUwsuhktTFbtsRSW2prbI+T qmsKtZdYZHcAdgB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYYa TpdiAAAEAwBHMEUCIQCIxo5qBoWPaWt5wcTWSGtZEb6TW3eDAPBB7pnHuLm7YQIg De1RmHguGmfYhUnMUYhmNKMFuM9BnQWOLMY6lorkghAwDQYJKoZIhvcNAQELBQAD ggEBABi4JXl158V69SxxXHZx8LfcDt72Fo11OCbtIpxzPb9tTgB0SpTlFDuUH2t1 mYIW5+IrZ3KqSRxntikds6auBWYhChl24n9fld5Rz5bG+fOL77At49UFIyLNVBJp lA2YByNKDTe0VSieu50RBevA1b2VHR+c7XeYYhOsq1qo+UgR0FB5ZdPhEoNgFZXD x8aHc0o3jU672i83pu5hEsH9M8s0KuCn4PvuAIOk59Ky83ABXTtRU5jMJj8uyIz+ dAH9IqHTAFrySGSS/No6rVIS3COXg1n8sczB3uZ+PNSutFrt62Ry6fCMe3dr1q8K OxNbiT4Nz7svjRqSBi8Avem+TFo= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEh21UHFGGLBUSxu015RE5BqCdNHsl SWEbDnE8sDb065K7DrQY6naMH4xBqz++fz6eAf7U0dBcxpILkUJ1l1mruQ== -----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 392136365264288462987108390768810598017994 . . . . . . . . [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 2023-02-04 01:43:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-05 01:43:22 +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 'kgs.org.uk' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 0004876d541c51862c1512c6ed35e5113906a09d347b2549611b0e713cb036f4eb92bb0eb418ea768c1f8c41ab3fbe7f3e9e01fed4d1d05cc6920b9142759759abb9 . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) 80d460b19721473244a816f93f21ba1fd4d1cec2 . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kgs.org.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kgs.org.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001861a4e97540000040300483046022100b032d8e5bbc7e8ef7ad41466502f665778f9559a1ef75391231c2971ef2affe4022100a6522fbb02b4fdb530b2e864b5315bb6c4525b6a6b6c8f93aa6b0ab5975864770076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001861a4e9762000004030047304502210088c68e6a06858f696b79c1c4d6486b5911be935b778300f041ee99c7b8b9bb6102200ded5198782e1a67d88549cc51886634a305b8cf419d058e2cc63a968ae48210 . . . . [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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