learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:a4:9a:96:bb:f8:f0:fd:61:d1:86:a2:2c:c8:e6:74:1e:75 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): 04:a4:9a:96:bb:f8:f0:fd:61:d1:86:a2:2c:c8:e6:74:1e:75Serial Number (int): 404460935670488314771984529525232792510069
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 73:ff:bf:c8:d5:d7:ca:ae:f6:f1:3a:c6:d3:1e:e9:83:7c:06:61:3d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 33:eb:c6:84:84:5e:83:66:d4:d3:83:96:9e:79:2b:b5:de:61:d6:c1
Fingerprint (sha256): 93:1e:3a:07:63:a1:9d:73:65:88:e8:66:11:1a:d5:31:34:8c:17:ae:1c:97:bb:6e:b2:ad:92:81:99:4b:03:4b
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----- MIIGbTCCBVWgAwIBAgISBKSalrv48P1h0YaiLMjmdB51MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMDgxMzI5NDVaFw0x OTA1MDkxMzI5NDVaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwvR7xPnq99ZF1S0q p5q67OIgTpAzqrYyqoZwDIk34q5EN8qPRiiuCChxtBuaLn58iOcTBiYIH/ORLFBM DHod6Rw09fMc11Vj1UJ/IOOj4L9bA5cc2aIIRuFBgmkuLktJQRhAQrXkIE6BJ3ig SPnhJR3HcUq7lsGjZArOyvxrl/Ku+w75RpXwCun1HIyqtcckxcJ9/u7jIqd/M3sr yNa3GaO54CjpMY7U32clRcLZ1iBZj030/HGk8x3zWJSJpkCAcddDQt2cql5Mg2gi JjA23CDTKEeDVZZ26/6IVLlFo8V4VqDr/rn8oNI6xRMcTk4GlSGkpx5+jm2ev6Zp PPf+MSpH6jQCklLfI95x8mUoegjrRP3pAMFteytbl0CRq5MYUhVBPzCm20KgLiqs SKc3kWLQk9snyZLttcaKl0Wn22hnwMGz5cMJQIdCiBQle6iXzIyRa8j3dCpk4Zrn 5WnXJk5TT+G18tBevBvfGMvKsgQjokyNtOxiyydSQNvVxj6raSGMd88Wqalsz02t TLGPqCwuqTrzEnHruN9syp8FhCaHwyN3GnuX/nS0VTIre5aO+yczmixExZULXrxx 54sDQObEd7aipzjxbCXkOjNzri7lGsTU1yHiJJRWvBAZhZPQqZvnINVxnCv9KSFF 3iBPRNUuZo8Zty7nW560xxWdwZ0CAwEAAaOCAnAwggJsMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUc/+/yNXXyq728TrG0x7pg3wGYT0wHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AHR+2oMxrTMQkSGcziVPQnDC v/1eQiAIxjc1eeYQe8xWAAABaM2DrAkAAAQDAEgwRgIhAOgTktYBLFIvba1cpTIc U7B6a5uZ5r2Y8x+8FEwvBFVIAiEAjbX5stALat1GCDcKam1w07usx5uHOrNapnIL nssTAAIAdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAWjNg6wM AAAEAwBHMEUCIQCFLuc0pD8d1X+mxqC7vp4Sd9N+UzkHk5QxrcyKc7WPFQIgO6KC lexgoA1BOivxbxqHJll2tcNv7JI0TeICLKmh548wDQYJKoZIhvcNAQELBQADggEB AGCZEgPhOEmx8SyOdoD3kFfR9MBJDqS7BlwQ06MDd5aAHYLiOQQUV2VDZOay5kru uUGFV4ngtsWBtPvjxDlHuJ0yBzZ3a0YTBLxk39R/TyfdNrMP1fbQubgTNLkCRcY9 iHN4kqcoYNdICYl64YUkWn5nput2DqAQ8uejcztK2Cz6g3sGcoE7BDgA1gFMHfPJ 5ewD/Qd0bGTfDVTpKkWGCQTdtI3xKsl6fkKl8G1pVzgvBVkNP58q67+bnolJ4n2Y HiqQF1+DtZmYzQT32sPAJD7NKALpAQTtF/HXe1bZY7NuFir+dVxrnbD3M8Sx5zF0 5Otyewnu37J3ysag1/A0Ouk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwvR7xPnq99ZF1S0qp5q6 7OIgTpAzqrYyqoZwDIk34q5EN8qPRiiuCChxtBuaLn58iOcTBiYIH/ORLFBMDHod 6Rw09fMc11Vj1UJ/IOOj4L9bA5cc2aIIRuFBgmkuLktJQRhAQrXkIE6BJ3igSPnh JR3HcUq7lsGjZArOyvxrl/Ku+w75RpXwCun1HIyqtcckxcJ9/u7jIqd/M3sryNa3 GaO54CjpMY7U32clRcLZ1iBZj030/HGk8x3zWJSJpkCAcddDQt2cql5Mg2giJjA2 3CDTKEeDVZZ26/6IVLlFo8V4VqDr/rn8oNI6xRMcTk4GlSGkpx5+jm2ev6ZpPPf+ MSpH6jQCklLfI95x8mUoegjrRP3pAMFteytbl0CRq5MYUhVBPzCm20KgLiqsSKc3 kWLQk9snyZLttcaKl0Wn22hnwMGz5cMJQIdCiBQle6iXzIyRa8j3dCpk4Zrn5WnX Jk5TT+G18tBevBvfGMvKsgQjokyNtOxiyydSQNvVxj6raSGMd88Wqalsz02tTLGP qCwuqTrzEnHruN9syp8FhCaHwyN3GnuX/nS0VTIre5aO+yczmixExZULXrxx54sD QObEd7aipzjxbCXkOjNzri7lGsTU1yHiJJRWvBAZhZPQqZvnINVxnCv9KSFF3iBP RNUuZo8Zty7nW560xxWdwZ0CAwEAAQ== -----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 404460935670488314771984529525232792510069 . . . . . . . . [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 2019-02-08 13:29:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-09 13:29:45 +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 795347064648787905796815683854463529141577307183740340662869439378845074928148424345378485467443523729702819674316580674603404381160851935349840667090701267584203014149040829903275782043153573158836276613899834743839707066069765358403759535304061224951670519585680537025010873921176428880836156554420340702304434896238952405469467833066048540569633860700383879985285056342235038046556768201218176437856629808743245360290594651638757075855791711664321306888301325127377158112233033481636218822959966267412630544445724345789698868600055043000125751503918720106415574154685429552895357144777679098543200873424350566501538537429589783403837578122356673896603331425676189392151670290105005173668211833749017919227094255388153230951193101649531242929570393949251425693069970401019309400955875471405544418481692558704855841584944066102825655102148617272781623555116477563145049796356437503887867898930090711448053490077664874552369986992900670061531260390814933672980429605628987584332190002053490789840421002934219951517273044557138622244058855901873856815278331135617001399648551346658088780002088752939626940793720834119776892341290263105118723571595697052930552475520307850308819125854919979570871091530776529515683416577279965024600477 . . . . . . . . . . . . . . . . . . . . [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) 73ffbfc8d5d7caaef6f13ac6d31ee9837c06613d . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168cd83ac090000040300483046022100e81392d6012c522f6dad5ca5321c53b07a6b9b99e6bd98f31fbc144c2f0455480221008db5f9b2d00b6add4608370a6a6d70d3bbacc79b873ab35aa6720b9ecb130002007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168cd83ac0c0000040300473045022100852ee734a43f1dd57fa6c6a0bbbe9e1277d37e533907939431adcc8a73b58f1502203ba28295ec60a00d413a2bf16f1a87265976b5c36fec92344de2022ca9a1e78f . . . . [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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