learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:48:cc:b7:ce:0a:54:9c:32:03:df:27:c2:e1:02:4d:cd:c1 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): 03:48:cc:b7:ce:0a:54:9c:32:03:df:27:c2:e1:02:4d:cd:c1Serial Number (int): 286109305094048389567592415951773676457409
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7f:1e:98:76:d4:8d:4c:80:53:f2:3f:8c:7b:0b:67:4c:8f:62:87:20
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 9e:b6:af:ad:c7:01:bf:3c:f7:a9:b3:34:e0:e9:d8:27:5d:bb:e6:5b
Fingerprint (sha256): 3f:81:25:2a:55:18:d4:b8:e7:7a:6a:c3:20:a1:c0:14:0c:56:a8:72:9d:af:b6:e9:7b:a9:fc:56:f6:2a:57:35
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----- MIIGazCCBVOgAwIBAgISA0jMt84KVJwyA98nwuECTc3BMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MTExMjMwMDNaFw0x OTA3MTAxMjMwMDNaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4CRkmQB1h6J6Cnk3 sTD919L/+3YRXH1ufCGb/eBYIP7rKmNkM6paHrM0Zb/3GD14qc9zSGBcRLpy52aG 708cc8GWlx/mQ2vtVKTQcYQnrPCTUu+8pOjQqHJnVXEGkJOvQf/OeLqd83+G6u2B KoU9znnRHMbn4G9egtDJ+k3GdXrIlqP/x1F8nQvrBAwtHayvNWmj8lJ0fZSyKeiU NzsDzG5ZnKKBsst/ZR1vg9KCbhUnI89KdL5PcGjCnrHBnWJwD54zpAu94VweamDq R/UHveOElY/4SwmaZ2nd0wmLIuuILrwpi2PrsW2S/afZpze3h5ZMIiBpi9lmaj9R IuJcPPXJ1XxCRBUYsDCRybuOGwx4Ajed3PI6UFuruJozXAuR8ob/R66TCJFG97P4 SqHoLxIKpvWOsvuwTGzXQxcuMpcy8zEOAhZD+rvVo1GvhzcnqdnG6HRRQaRAY7bb ycvcul++Rns9HovR9yqe/u/e4ODQUszFRlJ6HCgtEacgbJvxwYF3T8g0+rUuzm6J Z7IAnuQ24qGdWsy8PYm34BUA0qRP7LNwAdfCFdZ1zmTaGGRFckMR6GHx0293PqG8 1ZGTabwgDq1jqj/HUaFUDgJo/HLS0Dvqww7I77YJttW/gLeqhb0AI6CEk1TJlILh hsp+dFKMvg73MsjJBYTo+Kw6+gkCAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUfx6YdtSNTIBT8j+MewtnTI9ihyAwHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AOJpS64m6OlACeiGG7Y7g9Q+ 5/50iPukjyiTAZ3d8dv+AAABagyXTMAAAAQDAEYwRAIgI/uZbrzGgP8EUJJDeh8Q 80yhgmoMF41eCj7po6p7lV8CIDoq4dJt6nYpbzgH7rxMp7kOy9mTJJVWFW4B5M0p rYlDAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFqDJdPKQAA BAMARzBFAiAx2xwk/vNpAtZbgSOl9mrnnX14LDGn9pJ1ujUM7VcBcAIhAIK+TbpK PRpXNx3qYb+c0HhrT4zcgtQ2tRZpm8RazGG6MA0GCSqGSIb3DQEBCwUAA4IBAQAC 3Si1IjJCPeKwXNlvzqFuxhFzEXANsrzqml8euF7PGrKjJaRCDUXrf9YXDUV/zFqm vEVBCu8y2IO9slnC9gf/g/uDgN78C9gXVQyX9gU84ENPVGIApR9ErtQ9rOGPG31F eC8fX6EzLMBs2yMyRzsIff/BePlc04nGHpC5z6/sz6VVc1GcX3fVr9huzD1Ky0A1 wkquSHqogv9QYu3wcRvtVhZUcyrLnP+9fz2lzi2fn+kF33T9X5OgNmmeeRh2OPZ1 Yb8RskOalYL1T8MhrT8acdg+6BzqCbfOQ5JAFGH4bBwanDxs39WN7jI55jTbYgM4 SaDZkRm9cz6iffnFomSX -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4CRkmQB1h6J6Cnk3sTD9 19L/+3YRXH1ufCGb/eBYIP7rKmNkM6paHrM0Zb/3GD14qc9zSGBcRLpy52aG708c c8GWlx/mQ2vtVKTQcYQnrPCTUu+8pOjQqHJnVXEGkJOvQf/OeLqd83+G6u2BKoU9 znnRHMbn4G9egtDJ+k3GdXrIlqP/x1F8nQvrBAwtHayvNWmj8lJ0fZSyKeiUNzsD zG5ZnKKBsst/ZR1vg9KCbhUnI89KdL5PcGjCnrHBnWJwD54zpAu94VweamDqR/UH veOElY/4SwmaZ2nd0wmLIuuILrwpi2PrsW2S/afZpze3h5ZMIiBpi9lmaj9RIuJc PPXJ1XxCRBUYsDCRybuOGwx4Ajed3PI6UFuruJozXAuR8ob/R66TCJFG97P4SqHo LxIKpvWOsvuwTGzXQxcuMpcy8zEOAhZD+rvVo1GvhzcnqdnG6HRRQaRAY7bbycvc ul++Rns9HovR9yqe/u/e4ODQUszFRlJ6HCgtEacgbJvxwYF3T8g0+rUuzm6JZ7IA nuQ24qGdWsy8PYm34BUA0qRP7LNwAdfCFdZ1zmTaGGRFckMR6GHx0293PqG81ZGT abwgDq1jqj/HUaFUDgJo/HLS0Dvqww7I77YJttW/gLeqhb0AI6CEk1TJlILhhsp+ dFKMvg73MsjJBYTo+Kw6+gkCAwEAAQ== -----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 286109305094048389567592415951773676457409 . . . . . . . . [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 2019-04-11 12:30:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-10 12:30:03 +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 914420233431195787050830355535942830548613030998548209076377514680091889262540432544620211190212639182612989580168983041602922323486608408894738971455876335228149492914312471047400288057165973301679843117992253921998875136087502667890758101134677664626006027882740632443969935204763130917514137755863300373018457967544167157013665398510887882617362925567252332060739867785133490470398816401963082032246629549692452624745791542979086325454370931164004451746901885456111753653318770653339639984737265493873393132675991694670509041157295169725033582550129966872359876296682467734480085601133124967364747871524835752282334131359863887725062136090226645422096895416105183504952277861872447747723387756965733765229792447860592199555259242706218287719615740851218206067748946117092263595943609803916899664930408738465892970710498843005590671176733452229488818072693082085224436917180714460586797250076267072865230628505936293103742710236838198260147268364417938810198458922141793245584262555823282505217116421277950196909857216319180656400878420939626146940651581440870262400791590140983473222873965222896535972901709960337747579261919159575220454580005604779623135436892370780508051494922788850897763607286210635596839747674164660430109193 . . . . . . . . . . . . . . . . . . . . [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) 7f1e9876d48d4c8053f23f8c7b0b674c8f628720 . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a0c974cc00000040300463044022023fb996ebcc680ff045092437a1f10f34ca1826a0c178d5e0a3ee9a3aa7b955f02203a2ae1d26dea76296f3807eebc4ca7b90ecbd993249556156e01e4cd29ad8943007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a0c974f290000040300473045022031db1c24fef36902d65b8123a5f66ae79d7d782c31a7f69275ba350ced57017002210082be4dba4a3d1a57371dea61bf9cd0786b4f8cdc82d436b516699bc45acc61ba . . . . [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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