campaigns.cardiff.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9b:7b:4d:f5:03:6d:12:6d:c8:d0:e4:6b:61:24:74:b6:0b 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=campaigns.cardiff.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9b:7b:4d:f5:03:6d:12:6d:c8:d0:e4:6b:61:24:74:b6:0bSerial Number (int): 314244524487827647138169002053280019559947
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ff:f9:df:89:c2:47:43:b2:fe:da:62:d4:d8:ef:dd:9e:80:ff:b5:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 08:a3:91:5f:2a:a7:96:f5:a3:8a:45:51:c8:c4:4d:1c:b7:2e:ef:dd
Fingerprint (sha256): 17:34:8e:90:bf:a5:96:06:f3:86:e9:c1:eb:bd:3a:03:37:cd:cb:ee:ba:59:df:26:c2:d0:41:36:66:cb:29:95
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate campaigns.cardiff.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for campaigns.cardiff.ac.uk
Public Key Algorithm
RSA
Key Size
4096
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
campaigns.cardiff.ac.uk
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Certificate
The complete raw certificate details for campaigns.cardiff.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGZDCCBUygAwIBAgISA5t7TfUDbRJtyNDka2EkdLYLMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMDkyMzU5NDFaFw0y MDAyMDcyMzU5NDFaMCIxIDAeBgNVBAMTF2NhbXBhaWducy5jYXJkaWZmLmFjLnVr MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvRkWYn+SqgLlvIaQKLaN f5ESjVbzsh9mpWIrbzCUDZt+HqdsvFJgRuDdUmN9ROFrkpNmM69EjXHeNOfRmVeK flZMAusgNjzNQzyaxHIyMte/uNvD5/jqwnM5VQbPATI9TzbfikfztREEG1AUmB6v I2hl1UvYvR5KyU5YaTOE7N827B4SA7/xeRogk2JbkI1MjZthVVeBe1YflTjG3H5L fH8dFMqip5ep7qwafBY9mXDx3DM668gPGa1z5nbNtfStLqxgyRZCJzXlT5QSHUhf +6ysPJGU+anjF23G/85eGTm6SzSJ3/KiJTYVkoFzI8fyLOFzpn0I6o33HoO77vIm tElsLcn/Kd+Qy0ef39ZDb7Vwwq4tKre6jE10VIQmdCmfrVsGsSmkAasfOc+O6Yq7 BjmyAfBw8vSOtgSHsAsc0lSCeF5tnyQosweBOM9MvQVZXMm1gr2CiEyI+2UjG5e3 tJPUHu4xtYCmQuDbSqJPbjr8ykngo5MsYPJiT9vQN6VkEkMmcV/cYLRvoA0hfpAs Fg6qIwq3q5aPBCyzP2GreugNpBKsA5VWpafZpw+Q6CunfTv0c6vg8rXAhRlE/8V9 IS/47XrhYDunU2riaI92k7zm/+vWToVdyZ/pVCLvzobU8YFO0Nr+wU4Mxcvjc7Hl Ge/aO3fQ4je1g7eKVd3u59sCAwEAAaOCAmowggJmMA4GA1UdDwEB/wQEAwIFoDAd BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNV HQ4EFgQU//nficJHQ7L+2mLU2O/dnoD/taIwHwYDVR0jBBgwFoAUqEpqYwR93brm 0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8v b2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8v Y2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAiBgNVHREEGzAZghdjYW1wYWln bnMuY2FyZGlmZi5hYy51azBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLf EwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCC AQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1APCVpFnyANGCQBAtL5OIjq1L/h1H45nh 0DSmsKiqjrJzAAABblLS3O4AAAQDAEYwRAIgTUJAwJB2am4mU7I65JkiMJvlWMtZ QqLVgkucNB7PLHkCIHYTu09h1jSGG8gmYyPv001oyYsvBVYUMdT6G7nFYb1+AHUA B7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFuUtLdFAAABAMARjBE AiBOeDghuwe7PgtdxZ1TUuzbVkqFMwIpQoPdqmzg4jUx1AIgUicTgawgO3+Ih8km CkkH3hPLaGITGSMBPP5llTvrixEwDQYJKoZIhvcNAQELBQADggEBAHzztJ8rarn/ bz0i4EUmPwPjWQ9AXuCtt0G9nTH/WvYkfQhaFc3619L8xOKjhfJPiBubrl1Qr9BE TYMuXrqbMo2R9QDQYZbJ7q+12GvmS8CeNuD0CfOWkfJ0WYQEPxUGZbADJ3EtiU8v aDBamf1NomA7/0CXRVmaDxiJhGnktpo72lGizP4X76lbFqCQPVn2/NFO4Vxf1X0Z HCWP/CgcXv3zw+Bx4FEKGbz3o2Ou0lkHYTjI06vYVa0lYlYlH/72H9dPq+88EU/a u9HSwKKqsH/P5sdwJDOnjZBQfMy47eyb6gDuBTt9/7mhU2MatDFCltZTPFcyexSe QYzSXgv9g9M= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvRkWYn+SqgLlvIaQKLaN f5ESjVbzsh9mpWIrbzCUDZt+HqdsvFJgRuDdUmN9ROFrkpNmM69EjXHeNOfRmVeK flZMAusgNjzNQzyaxHIyMte/uNvD5/jqwnM5VQbPATI9TzbfikfztREEG1AUmB6v I2hl1UvYvR5KyU5YaTOE7N827B4SA7/xeRogk2JbkI1MjZthVVeBe1YflTjG3H5L fH8dFMqip5ep7qwafBY9mXDx3DM668gPGa1z5nbNtfStLqxgyRZCJzXlT5QSHUhf +6ysPJGU+anjF23G/85eGTm6SzSJ3/KiJTYVkoFzI8fyLOFzpn0I6o33HoO77vIm tElsLcn/Kd+Qy0ef39ZDb7Vwwq4tKre6jE10VIQmdCmfrVsGsSmkAasfOc+O6Yq7 BjmyAfBw8vSOtgSHsAsc0lSCeF5tnyQosweBOM9MvQVZXMm1gr2CiEyI+2UjG5e3 tJPUHu4xtYCmQuDbSqJPbjr8ykngo5MsYPJiT9vQN6VkEkMmcV/cYLRvoA0hfpAs Fg6qIwq3q5aPBCyzP2GreugNpBKsA5VWpafZpw+Q6CunfTv0c6vg8rXAhRlE/8V9 IS/47XrhYDunU2riaI92k7zm/+vWToVdyZ/pVCLvzobU8YFO0Nr+wU4Mxcvjc7Hl Ge/aO3fQ4je1g7eKVd3u59sCAwEAAQ== -----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 314244524487827647138169002053280019559947 . . . . . . . . [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 2019-11-09 23:59:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-07 23:59:41 +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 'campaigns.cardiff.ac.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 771452525057663101282269208899554816216076431581733719120441624405069960830701886802445227426128894668887714993966495289737738711202860653147144304919843503087258319999174921526514572169907671602507851260236290977078737577564573618622435301183449319075135552168901951879402816664896631101707845820517701106456167067276577059636009534520874215866363806127055885658285830535911952307461156325846256984933682127171342613393842672759377299979909419008047416218568014482499571058525482547204698917648317583558523359058046293007978808005771886268039410131253964343979881327477295154636099683609861463004023946156738420511863509173416281567383471361117485628697999949237703856800256986573741658980623943669797642585256496021896097455822454686649734477637958593609995181743220173909193369115452218319527826380191141808525719343592910174381149056585698865869340708185215137575066698540149910214235915512699242582607734594557648488522831481414432461905446160125186021691378309119801040898095001816162375345561134476761151543258123142743274148070055380601217004106074199887313494084680988181223851411348239371757151222838930800478943419695943001499496969420083198720969277450294507730763947626658707428733740057161166585549767201146776000063451 . . . . . . . . . . . . . . . . . . . . [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) fff9df89c24743b2feda62d4d8efdd9e80ffb5a2 . . . . . . . . . . . . . . . . [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 (27 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'campaigns.cardiff.ac.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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e52d2dcee000004030046304402204d4240c090766a6e2653b23ae49922309be558cb5942a2d5824b9c341ecf2c7902207613bb4f61d634861bc8266323efd34d68c98b2f05561431d4fa1bb9c561bd7e00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e52d2dd14000004030046304402204e783821bb07bb3e0b5dc59d5352ecdb564a853302294283ddaa6ce0e23531d4022052271381ac203b7f8887c9260a4907de13cb6862131923013cfe65953beb8b11 . . . . [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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