cs.up.ac.za
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:34:49:04:d2:43:57:b1:07:28:f0:5e:20:10:92:e0:f7:5d was issued on by Let's Encrypt.
With 5 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=cs.up.ac.za
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:34:49:04:d2:43:57:b1:07:28:f0:5e:20:10:92:e0:f7:5dSerial Number (int): 279128599552690715902842454048977276958557
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 1a:52:68:66:09:46:9d:de:35:c2:e5:6b:56:50:7a:29:a4:c2:a3:bb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3e:7b:9f:4b:a7:ed:7c:e0:4e:f5:8f:01:f2:68:0a:c1:42:85:f4:9f
Fingerprint (sha256): 1b:f9:13:32:58:91:fd:66:32:69:87:09:84:f5:7b:c5:b0:be:23:7d:c1:2d:8c:b9:86:e9:88:4e:22:96:37:82
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cs.up.ac.za
5
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cs.up.ac.za
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
cirg.cs.up.ac.za
cloud.cs.up.ac.za
cs.up.ac.za
ftp.cs.up.ac.za
www.cs.up.ac.za
cloud.cs.up.ac.za
cs.up.ac.za
ftp.cs.up.ac.za
www.cs.up.ac.za
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exfreight.loadsure.net
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crm.iingxoxo.com
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upprodservices.up.ac.za
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Certificate
The complete raw certificate details for cs.up.ac.za in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFlTCCBH2gAwIBAgISAzRJBNJDV7EHKPBeIBCS4PddMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjMxMjA4MjJaFw0x OTExMjExMjA4MjJaMBYxFDASBgNVBAMTC2NzLnVwLmFjLnphMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtNqS0NlZQZdE+6+U7IwSQ9TwIBvh3X1DKWEc +OXD9j4PPmGnrZ146hOEhKoxSshL41zoCmN3NR7gHkU4P0NpPtHQKksOsLYRd+Y7 TVrX/kOYiR4EyB24DoZR/AWDQcHAK33SByhnQCDQ1hInr6XNYhH9x5wdERRswuvR AWBOxDTWCGUhpvtPyKazGWCZhuZbxAh2+WI2hnOy5BkZVF0qYXuLefE0zWG1wIdi aBS5aA+5hAmzAmzuXUolIRCMUF+dwRnCik/jVoYbJK824N05efyoHv+FjdrTLBgL 74Jmm8qjt0vLlgmUperiJz6jUWgVOOlawCQFInaV3dP6Do8ExwIDAQABo4ICpzCC AqMwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQaUmhmCUad3jXC5WtWUHoppMKjuzAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MF0GA1UdEQRWMFSCEGNpcmcuY3MudXAuYWMuemGCEWNsb3VkLmNzLnVwLmFjLnph ggtjcy51cC5hYy56YYIPZnRwLmNzLnVwLmFjLnphgg93d3cuY3MudXAuYWMuemEw TAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcC ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1 BIHyAPAAdQDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWy+l5sM AAAEAwBGMEQCIFj6ZFhnZMuVPTkFobcefVywzS1fsiadMUOeI9t3dkw3AiBdOdu4 pY+4PY+s3pszDYtitZqkyV8NqAgdNwVDb1WwFgB3ACk8UZZUyDlluqpQ/FgH1Ldv v1h6KXLcpMMM9OVFR/R4AAABbL6Xmy0AAAQDAEgwRgIhALpd1cO4XN+ILfvPselz PLPwxvOlXSrtShrT6U6+QVovAiEAp2/qLlOhJ0ZBlQzdK8FkcQWJ0spPQQX7vsrw tWbPxQwwDQYJKoZIhvcNAQELBQADggEBAJmcsiaveqbsKyjdtmrmPlvLJziUXKgX s2pPtmR+xyEYRoI0yvnbK+7IhoKiZ5jJhWGLnyZ7MxtmkMRksvy9RZEHDM/o7ULs mPwAnDalzk5frTQ/eMfk0txzLyMzu56TtlnXnKQ4hO4CoYsAUnNJWdIz+7yLkg2S iSsw3ahjYv5TaXMByTP94eMyKhWdiEwaRjQ2yyaZRRPPZLFrl2VlvuXfOe/3pq1r i/WYPu31xDlEH5HSbVvTSko5fO6nEw8yPJMuN74YsxKQN41EwzZ9/fx6hcBAIgFh 3iOx1IhAvNGrVus78TLuKfgt0VUyC659tCOkT90/XOrgTIDZ8GUPxhk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtNqS0NlZQZdE+6+U7IwS Q9TwIBvh3X1DKWEc+OXD9j4PPmGnrZ146hOEhKoxSshL41zoCmN3NR7gHkU4P0Np PtHQKksOsLYRd+Y7TVrX/kOYiR4EyB24DoZR/AWDQcHAK33SByhnQCDQ1hInr6XN YhH9x5wdERRswuvRAWBOxDTWCGUhpvtPyKazGWCZhuZbxAh2+WI2hnOy5BkZVF0q YXuLefE0zWG1wIdiaBS5aA+5hAmzAmzuXUolIRCMUF+dwRnCik/jVoYbJK824N05 efyoHv+FjdrTLBgL74Jmm8qjt0vLlgmUperiJz6jUWgVOOlawCQFInaV3dP6Do8E 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 279128599552690715902842454048977276958557 . . . . . . . . [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 2019-08-23 12:08:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-21 12:08:22 +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 'cs.up.ac.za' . . . . . . . . [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 22830677503499928585119909074508046445118339955006192481506330159947741132096613471631436399981364947301307580184309188888460184071534936026285673391831555453987089473446932615928772652239352580753420565663371377307088578743105748841767100371785389772274157154333400916400504732293420985441423741431187092841272268301483681658678728742927676599274737090220212332041885646772627668945845111445027590104422783356062826863506469082378870473096934521771713041360111648512677203872516955839203075333984144706040352832505300430718501462381974597127904017852243173459482420641840380582041886330274100807472108520521784558791 . . . . . . . . . . . . . . . . . . . . [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) 1a52686609469dde35c2e56b56507a29a4c2a3bb . . . . . . . . . . . . . . . . [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 (86 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cirg.cs.up.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cloud.cs.up.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cs.up.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.cs.up.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cs.up.ac.za' . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cbe979b0c0000040300463044022058fa64586764cb953d3905a1b71e7d5cb0cd2d5fb2269d31439e23db77764c3702205d39dbb8a58fb83d8facde9b330d8b62b59aa4c95f0da8081d3705436f55b016007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cbe979b2d0000040300483046022100ba5dd5c3b85cdf882dfbcfb1e9733cb3f0c6f3a55d2aed4a1ad3e94ebe415a2f022100a76fea2e53a1274641950cdd2bc164710589d2ca4f4105fbbecaf0b566cfc50c . . . . [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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