wtuclearn.tuc.org.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:31:fa:e7:4f:86:b3:c0:06:01:d6:89:8e:46:e7:90:40:64 was issued on by Let's Encrypt.
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=wtuclearn.tuc.org.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:31:fa:e7:4f:86:b3:c0:06:01:d6:89:8e:46:e7:90:40:64Serial Number (int): 278344201806909837587262072771870475698276
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a0:f5:28:2a:4e:b1:0c:da:ad:ee:65:b7:92:aa:99:f8:1e:49:db:de
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 62:f2:61:82:87:c4:9c:e8:b2:7a:6b:54:9e:7e:e3:0e:9e:3d:84:17
Fingerprint (sha256): 57:20:bb:ae:1b:43:06:1c:c5:a9:25:03:1b:b8:c5:9d:c5:1c:f4:de:ec:0f:37:16:57:f2:9c:5a:ed:c8:d8:63
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate wtuclearn.tuc.org.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for wtuclearn.tuc.org.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
wtuclearn.tuc.org.uk
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Certificate
The complete raw certificate details for wtuclearn.tuc.org.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGEjCCBPqgAwIBAgISAzH650+Gs8AGAdaJjkbnkEBkMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA5MDUxMDU1MjJaFw0x ODEyMDQxMDU1MjJaMB8xHTAbBgNVBAMTFHd0dWNsZWFybi50dWMub3JnLnVrMIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwgbRDfFUfz+69Cnpkt/2r+xr QWgZUQBOIipdjg+zoTPV28rSsqc4k1U0Qx6731JFjPg4QOAz8purJp4B8is82jJV AQAgtfDEeBjC2pX/hxpaprO7j+CkLox3yc6SZFTTKj8pOi3bYsZUGVKLv51NO+GP Tpxr8ehhVKqTp0bDMChHJEI0gRORntgXAUk9OLjRTyxYTIUJ9hQ9MeukhYrg1iqZ BV/WVgg+In1zRSBPc2ifi8U1VWpcJ9KgaShr/ZoRZpdZ4IeiufE7oXCsF11b2210 ltNrbjfs7VqoeNswAXuky6vpDZb94hJEKWyJAPErQoUHHtD0noctqIwvNfeonwID AQABo4IDGzCCAxcwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSg9SgqTrEM2q3uZbeS qpn4Hknb3jAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMB8GA1UdEQQYMBaCFHd0dWNsZWFybi50dWMub3JnLnVrMIH+BgNV HSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcC ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGb VGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5 aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0 aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcv cmVwb3NpdG9yeS8wggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdQBVgdTCFpA2AUrq C5tXPFPwwOQ4eHAlCBcvo6odBxPTDAAAAWWplkboAAAEAwBGMEQCIFtFEiMyeY2B S7GtxPHJbjJSPOHYJj/29w3N3ZnQmBEIAiBzeqw7vSXJpREz/WQA2zP9aUD62E7a d5zfzYvT2m+dbQB2AKRQEmkFWhVUXmIRqze8ED9irlV2pF5LFxRFPhsiEGolAAAB ZamWRoIAAAQDAEcwRQIhAIHFE8tQndash4+3ARl1NQCxrb8A062ieL5Nu80YSe9w AiBF05jKGAUS5JI45zSpMLSUA1KySaGDN4ovOc/beAnC4DANBgkqhkiG9w0BAQsF AAOCAQEAjfhHL12yDplxXSSYOOKdmoIb9z4O2Y7Gicf1HJF8t/8xmUmvvdpbkvCl pdgYoBd0xEjnf+6wbPKYVrZdVkvSPBzypgG93BCS8f5c3FQm0B6Ds9h5suOZprrv ZaLndKB4zHjRtQWWfO4GSiASE4o8Ehh7LzG52Ukp7IcUVwleWNug+iZm5QOU0Tx8 QMdldaCPz3ZL+o+BacJnzl4MC47Vqtk9kx2nrDsJxgpSNnsB9l635X7RV0/SyW7w aYjdNXBxxcGB4p+bovPBrzntjN1eIogoaAgK2dtsslMoQJmSgzKkalHFGakEeZ0t Tl6xFx84G67tX4LXNiFePEmMzE6xsQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwgbRDfFUfz+69Cnpkt/2 r+xrQWgZUQBOIipdjg+zoTPV28rSsqc4k1U0Qx6731JFjPg4QOAz8purJp4B8is8 2jJVAQAgtfDEeBjC2pX/hxpaprO7j+CkLox3yc6SZFTTKj8pOi3bYsZUGVKLv51N O+GPTpxr8ehhVKqTp0bDMChHJEI0gRORntgXAUk9OLjRTyxYTIUJ9hQ9MeukhYrg 1iqZBV/WVgg+In1zRSBPc2ifi8U1VWpcJ9KgaShr/ZoRZpdZ4IeiufE7oXCsF11b 2210ltNrbjfs7VqoeNswAXuky6vpDZb94hJEKWyJAPErQoUHHtD0noctqIwvNfeo nwIDAQAB -----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 278344201806909837587262072771870475698276 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-09-05 10:55:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-04 10:55:22 +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 'wtuclearn.tuc.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 1.2.840.113549.1.1.1 (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 24493592563524705131934692894873084053799807504647899900205669786474153279219418990643054671995109923006969724379909251258974245715998909814701776539998133776345548047433023376698433186403363095640689622516387700048533236505365249275078561523427573715539186469528470169855471254969808426348585762337263184641363709299242062415304944853942811983009709249350894825576219120085072906256373928362143312588804615496882717759439439684059029711856264068191625716889661950316412629671542502645456230592621003764629680989280862200515577547847713639861281249598131998812193884615614848702996188678647245608402131083547320494239 . . . . . . . . . . . . . . . . . . . . [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) a0f5282a4eb10cdaadee65b792aa99f81e49dbde . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wtuclearn.tuc.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00ef0075005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000165a99646e8000004030046304402205b45122332798d814bb1adc4f1c96e32523ce1d8263ff6f70dcddd99d09811080220737aac3bbd25c9a51133fd6400db33fd6940fad84eda779cdfcd8bd3da6f9d6d007600a4501269055a15545e6211ab37bc103f62ae5576a45e4b1714453e1b22106a2500000165a9964682000004030047304502210081c513cb509dd6ac878fb70119753500b1adbf00d3ada278be4dbbcd1849ef70022045d398ca180512e49238e734a930b4940352b249a183378a2f39cfdb7809c2e0 . . . . [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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