shortcourses.sun.ac.za
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:69:9a:71:ea:e3:a8:77:5a:97:84:85:36:ed:45:68:2d:1f was issued on by Let's Encrypt.
With 4 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=shortcourses.sun.ac.za
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:69:9a:71:ea:e3:a8:77:5a:97:84:85:36:ed:45:68:2d:1fSerial Number (int): 297271798926995948000334637383486674578719
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 35:eb:15:26:6c:8f:02:9a:48:26:d5:6d:a6:6b:7d:ad:ad:db:8e:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b7:b6:f7:9d:5e:66:d9:d6:61:cb:d4:78:7f:3d:ad:cd:52:75:6d:81
Fingerprint (sha256): 09:de:4d:ef:c9:27:0a:d7:9b:62:f1:b6:2c:48:35:af:f3:42:2c:e1:0a:ce:20:e5:bb:cd:22:f2:5e:9f:e1:66
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate shortcourses.sun.ac.za
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for shortcourses.sun.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
kortkursusse.sun.ac.za
shortcourses.sun.ac.za
www.kortkursusse.sun.ac.za
www.shortcourses.sun.ac.za
shortcourses.sun.ac.za
www.kortkursusse.sun.ac.za
www.shortcourses.sun.ac.za
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Certificate
The complete raw certificate details for shortcourses.sun.ac.za in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFtTCCBJ2gAwIBAgISA2macerjqHdal4SFNu1FaC0fMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMTkwNDIwMjBaFw0x OTAzMTkwNDIwMjBaMCExHzAdBgNVBAMTFnNob3J0Y291cnNlcy5zdW4uYWMuemEw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC/jZO1rsiJbgzslxTaUMJ1 MQEIswlNF7MSj0L5lkn73QPYsMr9Ae5dPukrIbHAZr2NfUC2bLd8w9RXKUWeDiZB orZC9zS7Smx6VkF9lTl3aHqHJMZyrF8wUQIT+9xBau+6SfSgT3dFlbr4x+bt2027 6zEmTUKF6exBRV7dyV7mABEV5b9eevx2ja9m76AQGCt2VeO7ECyyfE9X1jOxW+d5 tmtC8f1V459VeRxwz0wG8aTJPHJ1JzCEi0BBZbUMCmA+CIoKB93HUoywTuKmsroa nFtdH5jUmqflTl8Zi1abU1SAtC9AUy0K3UG6Wor1xOuIYGkIJW8X1QTHrIWBfoKh AgMBAAGjggK8MIICuDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDXrFSZsjwKaSCbV baZrfa2t244bMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wcQYDVR0RBGowaIIWa29ydGt1cnN1c3NlLnN1bi5hYy56YYIW c2hvcnRjb3Vyc2VzLnN1bi5hYy56YYIad3d3LmtvcnRrdXJzdXNzZS5zdW4uYWMu emGCGnd3dy5zaG9ydGNvdXJzZXMuc3VuLmFjLnphMEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcA4mlLribo6UAJ 6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFnxOhXpwAABAMASDBGAiEA8bKCST7w qsrb2pUl6QzLBTim5GWUjIRNP6e+KrbBO/8CIQDAdWhWVy/d1dKTtR3VTzAZWg+t 39jjS7d9cCDT+KH1pwB2AGPy283oO8wszwtyhCdXazOkjWF3j711pjixx2hUS9iN AAABZ8ToV6oAAAQDAEcwRQIgRz2Wt/GxHJeHIvLw8AU1FuFEhfTGJzGYCWW2Cxqo PbQCIQDd+YcpecbG9kqRv7YlzUiMIpgMta4fKiNEoZ3mVOXqZjANBgkqhkiG9w0B AQsFAAOCAQEAh3hAx7zruua36bSMkZ3k+BKyrOSv6gLd0p7dAUcnzsO8RZxKHS3K tXSk9CBEC0nJ6oH2f0mjpSP6TloWSDW1aRslqUZaUrxJp7zj4j8NniXI2BJa/fPC u1j5Gi+VwXSMyOWIxZi0BbU3G3OM/9Pdh5ig1V01TU1s10p/kEZNy0/1WY+4zv9i kDnhFNCBpwbSB3To93MYN5IjzE3WG/3Lubatd+UC3wbV/o0aiZQfZjHRSpZd5BJW PZHLK4m3ngT+fDPXeB1JBxLVJyYL1HaTVbwpdXl48smsArxRToAljxzebwsgugFU 7ml8Oq4Z4cOGZyje21JW/iaR+snmOO2bGA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv42Tta7IiW4M7JcU2lDC dTEBCLMJTRezEo9C+ZZJ+90D2LDK/QHuXT7pKyGxwGa9jX1Atmy3fMPUVylFng4m QaK2Qvc0u0pselZBfZU5d2h6hyTGcqxfMFECE/vcQWrvukn0oE93RZW6+Mfm7dtN u+sxJk1ChensQUVe3cle5gARFeW/Xnr8do2vZu+gEBgrdlXjuxAssnxPV9YzsVvn ebZrQvH9VeOfVXkccM9MBvGkyTxydScwhItAQWW1DApgPgiKCgfdx1KMsE7iprK6 GpxbXR+Y1Jqn5U5fGYtWm1NUgLQvQFMtCt1BulqK9cTriGBpCCVvF9UEx6yFgX6C oQIDAQAB -----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 297271798926995948000334637383486674578719 . . . . . . . . [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 2018-12-19 04:20:20 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-19 04:20:20 +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 'shortcourses.sun.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 24181330464795070632219069177123831467531657748794643356965381634392876728488466904377789005500146707394635908362969607352726851954899134281024234665289661389281349953853880610802930754842412705928703279277686028018574287657911910064425728194063010865463123370686756714804783117145413856297627741966980677951091613814448883569460449084695811136772171986213696392520462660212411669154204141229285989750342413662695296749442515476478973760447522494544313763161212720762965316681687135989096173392923740085897829237020879186434981781014237187525440770068144480907602972775466646029625152512430505707936666389960256815777 . . . . . . . . . . . . . . . . . . . . [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) 35eb15266c8f029a4826d56da66b7dadaddb8e1b . . . . . . . . . . . . . . . . [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 (106 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kortkursusse.sun.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'shortcourses.sun.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kortkursusse.sun.ac.za' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.shortcourses.sun.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167c4e857a70000040300483046022100f1b282493ef0aacadbda9525e90ccb0538a6e465948c844d3fa7be2ab6c13bff022100c0756856572fddd5d293b51dd54f30195a0faddfd8e34bb77d7020d3f8a1f5a700760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167c4e857aa00000403004730450220473d96b7f1b11c978722f2f0f0053516e14485f4c62731980965b60b1aa83db4022100ddf9872979c6c6f64a91bfb625cd488c22980cb5ae1f2a2344a19de654e5ea66 . . . . [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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