learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:13:d8:b3:d6:40:8f:19:9e:c7:c8:59:8c:88:e7:f1:21:5c was issued on by Let's Encrypt.
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- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=learn.columbiasouthern.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:13:d8:b3:d6:40:8f:19:9e:c7:c8:59:8c:88:e7:f1:21:5cSerial Number (int): 268090269780556335220108119462592958767452
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4d:ff:de:66:b3:22:ca:ec:22:06:f9:d9:15:e6:dc:75:93:2e:e2:f2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e4:4e:d0:72:a6:00:a1:c7:d2:49:13:ff:10:dc:b8:65:ac:94:fd:2c
Fingerprint (sha256): e7:dd:2c:0e:71:39:b2:36:05:d8:c0:55:51:8d:da:98:d6:ca:06:ea:a0:64:41:3a:10:a4:54:da:6a:86:67:3a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate learn.columbiasouthern.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for learn.columbiasouthern.edu
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
learn.columbiasouthern.edu
Other certificates including the domain name columbiasouthern.edu
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Certificate
The complete raw certificate details for learn.columbiasouthern.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGbjCCBVagAwIBAgISAxPYs9ZAjxmex8hZjIjn8SFcMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTQwOTMzNDVaFw0y MDAxMTIwOTMzNDVaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA41m6QQVeSo75xUdC wAA+XD3RmAxzCY+uPAIGcSwiwIPWIRx72gGr+cqQnYvLUXdYmi61+5Jw4V2GWXPW iP7gA5L515eo6ZAgV4JrvzWLZm9sXlAHMEUaqP1uicIF6NnAxvMEG2kmCawqkGyD MDcZAgvENqG6GIKz0p/mkYmxx1B/QIZiJyVC22eqVtQ2YD/08g6YlEEmlgrOI0EZ I+CtFNOU+uNKafIrvLWZirFLo4Um+RZIjkwi4lUGPQqpVJnczwSPWgtPBLoQXCpX 2sUvh3ukZw1b4t02E7MgS30pZUu9+PDa3dzKs9smSzORo+2V6gTWulDUK/KPh9FR Bk1UnEbTSTgTkdRAREhja4/UkRj2828z4OvvpLLRRZMzSkzEycm3Fxt4Oz3ry8oZ E5ztLiH8sHN8we64qu1yJYAIpVI7+o8b74+aRIWLvV8DeGIGBj8rJkF9Y0l5SyP9 NTWCh+fgR1MDns2pptc2Egi5ZBQrnBxKBJ81bOvQUocqcJ0GnqUIZnTV00U0MiQ0 5u9E4ek8xdpXLzqyzSIyE2WlF4IKkPh1GWnYe++a0fYAT+ifoYY+LRMrtuB0Qi2j ZGjUnG53wAekL3Krb/ifsI8IU5rJ6PDNU7lztPB/pHrU+BNEijt3YdKSKuGmwTh3 QkEdGbZsxtARo2DV0t2nJt+YvBcCAwEAAaOCAnEwggJtMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUTf/eZrMiyuwiBvnZFebcdZMu4vIwHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQYGCisGAQQB1nkCBAIEgfcEgfQA8gB3APCVpFnyANGCQBAtL5OIjq1L /h1H45nh0DSmsKiqjrJzAAABbcnUvVQAAAQDAEgwRgIhAJFX2gcSPtnO8pypT8Vw vxF7i8Y12VmkungLReqQCqInAiEAhdgz5nKRl7cWyNHjFmbw85gMvsdoj4YcUvHg uyXc3iIAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3J1L1Q AAAEAwBIMEYCIQDcWTpVzbluBfYZyJgyivukVvGaTRBXtgY4NcETq11OSQIhALq6 uta/Ui3BHqE2DF8VxcnohG8wZv3N6W1++5Wp9VSVMA0GCSqGSIb3DQEBCwUAA4IB AQBNA/B6byN+dK8kQaC/zvF5BV/qnJOJAPI8q4bZkORZZaCXPlrSU5RWFy5kkxEh F1U+wr3wYm7uX3N60hGdd+Emun/H8lggoSWB18MrhU86D2oFf2UGver22Uu8XIlt U+2n74pIotvz5hn3F0W8y3E6VbYtbldvjHFcUJnvcB3xCRGR2iP8oeRjuC58ihn5 rzHKk9McQdx32XwuTl6dv2BACSakYYm2U9mddlHOm2+dcykNjoLdQYGRyDXL4Rpd PnGAohd6SQXh8MisoM97gu1oNeZ9jqfy2g66XdzOIbvh4fkAeknCX4lVLXfhc10G tiAEZ/D1nJZnxkvvzNcgLKs0 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA41m6QQVeSo75xUdCwAA+ XD3RmAxzCY+uPAIGcSwiwIPWIRx72gGr+cqQnYvLUXdYmi61+5Jw4V2GWXPWiP7g A5L515eo6ZAgV4JrvzWLZm9sXlAHMEUaqP1uicIF6NnAxvMEG2kmCawqkGyDMDcZ AgvENqG6GIKz0p/mkYmxx1B/QIZiJyVC22eqVtQ2YD/08g6YlEEmlgrOI0EZI+Ct FNOU+uNKafIrvLWZirFLo4Um+RZIjkwi4lUGPQqpVJnczwSPWgtPBLoQXCpX2sUv h3ukZw1b4t02E7MgS30pZUu9+PDa3dzKs9smSzORo+2V6gTWulDUK/KPh9FRBk1U nEbTSTgTkdRAREhja4/UkRj2828z4OvvpLLRRZMzSkzEycm3Fxt4Oz3ry8oZE5zt LiH8sHN8we64qu1yJYAIpVI7+o8b74+aRIWLvV8DeGIGBj8rJkF9Y0l5SyP9NTWC h+fgR1MDns2pptc2Egi5ZBQrnBxKBJ81bOvQUocqcJ0GnqUIZnTV00U0MiQ05u9E 4ek8xdpXLzqyzSIyE2WlF4IKkPh1GWnYe++a0fYAT+ifoYY+LRMrtuB0Qi2jZGjU nG53wAekL3Krb/ifsI8IU5rJ6PDNU7lztPB/pHrU+BNEijt3YdKSKuGmwTh3QkEd GbZsxtARo2DV0t2nJt+YvBcCAwEAAQ== -----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 268090269780556335220108119462592958767452 . . . . . . . . [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 2019-10-14 09:33:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-12 09:33:45 +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 'learn.columbiasouthern.edu' . . . . . . . . [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 927509111589124267158052901701203337086834985469428238083995108615051308121136072580088150089704708954516521938623634545989110265236441177071228620820656530781776893094724578921318749670778708993524784791479173452109900750278489348381698686340592072827534466485311590648069727805907484129249806891576359517475717069600437084816353941944178002045310074401804177273941214014841810367087753882003498146099811352791810759244432029012504262594053435963429589010587503989796274282057161410794500224137887038587863771144028651420283585235950884363464057962235925733965145710429710944496313787068116516935658689611035954265672599793205696638755583821912883995477415655187202782593219628227444836854188156364873599084737535651825791623262420692291069433225259553487618787497851745937065371934760509836789586608727460268763973764541233734117811588289780641853788628371483372144506975569331572897522424251660306064126730238901466361441607918001670616738296204943625651399438300790478069929690014469097943612824990488870550079187024623693224497093251129961177119538642922147855612017836553082641555672024420566196158071401052857863567545166343638770679556231511029766088968154578350642069210377031906608112606348202126714113344790707580662496279 . . . . . . . . . . . . . . . . . . . . [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) 4dffde66b322caec2206f9d915e6dc75932ee2f2 . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learn.columbiasouthern.edu' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc9d4bd5400000403004830460221009157da07123ed9cef29ca94fc570bf117b8bc635d959a4ba780b45ea900aa22702210085d833e6729197b716c8d1e31666f0f3980cbec7688f861c52f1e0bb25dcde22007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc9d4bd500000040300483046022100dc593a55cdb96e05f619c898328afba456f19a4d1057b6063835c113ab5d4e49022100bababad6bf522dc11ea1360c5f15c5c9e8846f3066fdcde96d7efb95a9f55495 . . . . [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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