jamesstuddart.co.uk
Issued by R3
About this certificate
This digital certificate with serial number 03:b6:6f:39:b9:bc:ea:06:e8:c6:d1:b8:bd:96:82:f1:47:2c was issued on by Let's Encrypt.
With 3 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=jamesstuddart.co.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b6:6f:39:b9:bc:ea:06:e8:c6:d1:b8:bd:96:82:f1:47:2cSerial Number (int): 323416092610557701510623453603202044348204
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 99:fc:fa:c1:96:25:cf:30:18:da:f4:68:e6:f6:55:3f:c3:eb:56:d3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): b7:ed:6f:66:71:55:98:40:7c:22:b2:61:e1:bf:9a:76:06:cc:cd:e8
Fingerprint (sha256): cb:66:0a:53:ba:bd:8b:b4:45:23:3e:3b:74:d1:4c:5d:e0:48:cb:f0:95:88:b9:db:46:b1:9a:03:ac:d3:e2:bb
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate jamesstuddart.co.uk
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for jamesstuddart.co.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
jamesstuddart.co.uk
www.jamesstuddart.co.uk
www.jamesstuddart.com
www.jamesstuddart.co.uk
www.jamesstuddart.com
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owlchemy.writerduet.studio
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Certificate
The complete raw certificate details for jamesstuddart.co.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEWTCCA0GgAwIBAgISA7ZvObm86gboxtG4vZaC8UcsMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA5MjAxNDQwMTVaFw0yMzEyMTkxNDQwMTRaMB4xHDAaBgNVBAMT E2phbWVzc3R1ZGRhcnQuY28udWswWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAASs vDRJ4eCa5l8fzivcDLFmUKIej1MN7/P4m5Cj5yhGF/weP3SRWekL6kbyeBSktfAg CngJ2bCxlRrS+s9XbLdxo4ICRjCCAkIwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSZ /PrBliXPMBja9Gjm9lU/w+tW0zAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzBOBgNV HREERzBFghNqYW1lc3N0dWRkYXJ0LmNvLnVrghd3d3cuamFtZXNzdHVkZGFydC5j by51a4IVd3d3LmphbWVzc3R1ZGRhcnQuY29tMBMGA1UdIAQMMAowCAYGZ4EMAQIB MIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcAtz77JN+cTbp18jnFulj0bF38Qs96 nzXEnh0JgSXttJkAAAGKsz/DuQAABAMASDBGAiEA0Uo6b243dSm1F80avk7NjK5/ kSeJ8GSMkRXLIAeD06kCIQDlM2uTsysdDJQLrOVbm2EJtAoE7w7Cu6RElmRcjkEP PwB2AK33vvp8/xDIi509nB4+GGq0Zyldz7EMJMqFhjTr3IKKAAABirM/xBMAAAQD AEcwRQIgbqO1ZLnESmQl1+JkrmOyee4WJqDyM3NbkJ94RpSKvwUCIQCdjxEt1sdt VhXOZ8J80pBHy0ij/aGzo/a3PxYrwgeOwjANBgkqhkiG9w0BAQsFAAOCAQEAAGfB 1xERLqYoytzIzHkWPcTbdYh2tV51vzrf6lM2+xQK5KsGYDEokI2wyEzKvS6Nm3Go bGxzI4mjRJ8EZph6glVhMGiEF2lpMDjexA7psPKwXQONjF+n2tDhY6LpaQ4VVHpm MRdSDx2TzoCA+VKPgE/6g1bUmqb4estuH5NBq07JjvVTMm4qXPuiTwizR+4sbg5Y KCKUUmssIKwGlK3IiSFA2J4NwPMQHiicWtIURPYX0uubdGwS8eu3XOf7WWWJ7lpw GsDZT0J7fjaZgsoZziTKyt76abkMPKMciUGEVX1BMKvnmsuWzEfuod4tD54KgP7Z 9ZC3wdt67g42xkQgmQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAErLw0SeHgmuZfH84r3AyxZlCiHo9T De/z+JuQo+coRhf8Hj90kVnpC+pG8ngUpLXwIAp4CdmwsZUa0vrPV2y3cQ== -----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 323416092610557701510623453603202044348204 . . . . . . . . [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 2023-09-20 14:40:15 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-19 14:40:14 +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 'jamesstuddart.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 1.2.840.10045.2.1 (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) 0004acbc3449e1e09ae65f1fce2bdc0cb16650a21e8f530deff3f89b90a3e7284617fc1e3f749159e90bea46f27814a4b5f0200a7809d9b0b1951ad2facf576cb771 . . . . . . . . [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) 99fcfac19625cf3018daf468e6f6553fc3eb56d3 . . . . . . . . . . . . . . . . [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 (71 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jamesstuddart.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jamesstuddart.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jamesstuddart.com' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ab33fc3b90000040300483046022100d14a3a6f6e377529b517cd1abe4ecd8cae7f912789f0648c9115cb200783d3a9022100e5336b93b32b1d0c940bace55b9b6109b40a04ef0ec2bba44496645c8e410f3f007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ab33fc413000004030047304502206ea3b564b9c44a6425d7e264ae63b279ee1626a0f233735b909f7846948abf050221009d8f112dd6c76d5615ce67c27cd29047cb48a3fda1b3a3f6b73f162bc2078ec2 . . . . [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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