learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:81:f9:e5:dc:f3:78:e2:98:3c:91:b9:60:06:aa:aa:4c:35 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): 03:81:f9:e5:dc:f3:78:e2:98:3c:91:b9:60:06:aa:aa:4c:35Serial Number (int): 305565454416432818686191536496228789013557
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d7:20:09:96:f4:6e:76:e0:9b:e0:ca:c6:43:89:1b:98:24:45:29:83
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bd:81:24:43:b9:7b:30:f7:53:bc:ca:89:87:f9:f0:1f:2d:09:24:ef
Fingerprint (sha256): 91:ec:8e:dd:e1:4f:b4:83:94:b2:1d:13:dd:3b:02:a0:c2:04:62:56:6d:42:2b:5c:f7:a0:bc:5f:dd:df:1c:b6
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----- MIIGazCCBVOgAwIBAgISA4H55dzzeOKYPJG5YAaqqkw1MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMDgxNDI5MjVaFw0x OTAzMDgxNDI5MjVaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvCprTZ/0JYz1qBYN C1gT/29UbSCUdrlJWVhunF6v1Dt26r+DNK1dxJYGN0IQXSI/LRRckbfFyBz6iKcF xiVF+aUHeT3NwVdSkvLe7bEhUQLLB1m7AFsZ9kHSodWJtRarY3bgDJWehmaAXmK9 4ItnmHHZ6P49z+Sd/34EZQrTkexJUX3OMBhNEbZJhhsm/2H8wR3cSKAw8C8GAXcv dUU76dj3Um8y8m1rBu4Tw+rlsB97CCzWHUK0UjHunMgsFNJO7/8NYnJHErSaRQwI 6smZ2uL1ldU/0xdr/O1dqgxaV/rUCO7XTg6sgtcTpdAMNDicrc0CuRmTfrFuNqXv 5zu44xQgFUE6cXc/49tBFVeQXqJEJp6GtiQMdrB9ZUcbRHscdbU2g1xE15FJhTmn Q4+5ciKf91EFTJYNTnWCxAGxGzkpWLc/P0PB+1L81LgewonQQ8Y84DaK3avoAtLm 91BNDuwGqJVOaj8ye81/RioghSIP6JOS+8z0MXHMWYSI9GAqC+pb6FGazTFosvph 5DTx7cLQKy3C6nvm+FWZLkGU6o9CTKGh+SVtDaDzUxNgK0F8MzgWUoby0kKNTXlA f3dzq8GawBAzwydweWI5WlQLBcogxoskzD5QXS7aROTwiZZp4JYpOkY0x+GcHHWp 763nrZlJ0nTwJkNWdTzFv5nP1YkCAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQU1yAJlvRuduCb4MrGQ4kbmCRFKYMwHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AOJpS64m6OlACeiGG7Y7g9Q+ 5/50iPukjyiTAZ3d8dv+AAABZ45wBIoAAAQDAEYwRAIgA7BfMJxZASFJtcjNO7EU 3tyGpUHWsKr3kcst6kFNeRACIHVPTZM39FI5JxXm2osI2liEj5RBInojPeH54UuG tB4sAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFnjnAEiwAA BAMARzBFAiEA5+gr2yCiuT1XnyRJHO74lsykiBNT82jcDc5SJrmm7ucCIHhn0sSt 8e+5X7v6jRLRG+ustBvFr8YIbsZ3YbaM9XCVMA0GCSqGSIb3DQEBCwUAA4IBAQBr cV+4Bxm2dqUjOChI5rYo3BrZemaw65/eHPghjzWJ9jafR3hh2AZiiXlaw1qHiOdn QfRdb1jax8klLgLkJ1m7T5QzXeBkcxk0WBqbqRcqnAvmB1BYjs0kRZmPPH5W3e7S eifwrFQ+9IXUCm04QVAJC6QRLE8JXs3gdd8r1lZiHp84K/4EZtlrVsS6C1tHi9W1 rcY+QuDZY3oqzPCDLVKtAC4tbLHfzHPZu2XWSINlald9IrWDihJ6kp9XkF5CBVaf EL8fdANkkx+2rH5vqlH0xOmgUCdT3RlWnAielBX3/glEAw0mjXZ4k2+mfsAIp25L ucv92iHwjbxuOZmSRE63 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvCprTZ/0JYz1qBYNC1gT /29UbSCUdrlJWVhunF6v1Dt26r+DNK1dxJYGN0IQXSI/LRRckbfFyBz6iKcFxiVF +aUHeT3NwVdSkvLe7bEhUQLLB1m7AFsZ9kHSodWJtRarY3bgDJWehmaAXmK94Itn mHHZ6P49z+Sd/34EZQrTkexJUX3OMBhNEbZJhhsm/2H8wR3cSKAw8C8GAXcvdUU7 6dj3Um8y8m1rBu4Tw+rlsB97CCzWHUK0UjHunMgsFNJO7/8NYnJHErSaRQwI6smZ 2uL1ldU/0xdr/O1dqgxaV/rUCO7XTg6sgtcTpdAMNDicrc0CuRmTfrFuNqXv5zu4 4xQgFUE6cXc/49tBFVeQXqJEJp6GtiQMdrB9ZUcbRHscdbU2g1xE15FJhTmnQ4+5 ciKf91EFTJYNTnWCxAGxGzkpWLc/P0PB+1L81LgewonQQ8Y84DaK3avoAtLm91BN DuwGqJVOaj8ye81/RioghSIP6JOS+8z0MXHMWYSI9GAqC+pb6FGazTFosvph5DTx 7cLQKy3C6nvm+FWZLkGU6o9CTKGh+SVtDaDzUxNgK0F8MzgWUoby0kKNTXlAf3dz q8GawBAzwydweWI5WlQLBcogxoskzD5QXS7aROTwiZZp4JYpOkY0x+GcHHWp763n rZlJ0nTwJkNWdTzFv5nP1YkCAwEAAQ== -----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 305565454416432818686191536496228789013557 . . . . . . . . [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 2018-12-08 14:29:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-08 14:29:25 +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 767649081064216048275566667535737576227090973190761489691553225566740287157222109071172969003394839807683399415016313714578633682415280509583556322086783613983747701163042191443298217628968939975916958829039959794938993563371286524718331519641179451418480583884824748156030237565309415975524133587943169020758930390860190768265529775568311969299925204079345804300839047741003198522234616305695425542530741852057680937792732920901575215072489066021891435471137579745017180909537307736310407442619267535045103908146570107467661467213402626111191235862829622409384834817876117823964795202348048336317083564112035662248957602687599708793921932789805748440502915174133057492745440976460732423086457916453908338934878426079086155989996673047163982787013529145779755446384585163089575346432997689977646430358618881765932889155593603396045865825892627215159705387953907876746900745522190927324412597125817905252298619062924225369193346660489690727657499725193186470657414382772543692930086199332199099149882195433381562038967501450119599383199020526392128480396717637510278493640695452944851967177763526901762499119387358358828160204568543591634040691110730076415577310271318447152432796182389099646257689380793243632158751769730819763983753 . . . . . . . . . . . . . . . . . . . . [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) d7200996f46e76e09be0cac643891b9824452983 . . . . . . . . . . . . . . . . [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) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001678e70048a0000040300463044022003b05f309c59012149b5c8cd3bb114dedc86a541d6b0aaf791cb2dea414d79100220754f4d9337f452392715e6da8b08da58848f9441227a233de1f9e14b86b41e2c007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001678e70048b0000040300473045022100e7e82bdb20a2b93d579f24491ceef896cca4881353f368dc0dce5226b9a6eee702207867d2c4adf1efb95fbbfa8d12d11bebacb41bc5afc6086ec67761b68cf57095 . . . . [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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