learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:40:09:d7:94:61:4a:d9:c8:af:78:96:83:a3:9d:d0:ca:49 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): 03:40:09:d7:94:61:4a:d9:c8:af:78:96:83:a3:9d:d0:ca:49Serial Number (int): 283128011683512369111994607167965978741321
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 2e:ec:e9:46:8e:a7:46:49:ae:6e:1d:89:5d:72:dc:1b:3f:26:75:be
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): fd:4e:a2:1c:b1:1a:13:e9:99:05:2c:8f:23:74:7b:d6:3c:fc:9e:dd
Fingerprint (sha256): fc:a0:f1:3c:70:55:a3:57:60:cd:4f:2a:61:b6:a1:89:38:fe:dc:16:66:20:0d:97:7b:d4:ca:16:b8:ee:ac:14
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----- MIIGbTCCBVWgAwIBAgISA0AJ15RhStnIr3iWg6Od0MpJMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MTIxMTMyMjdaFw0x OTA5MTAxMTMyMjdaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnPd+A5R0uwHozKzu KLhVE4jRyUgSWz372zU7nHThDZBzZLx34JjyQfVRzVQ5V/FMOPIvlVdi+PGcAGFd XGP1RZgNswtIN9filYZrcFHJRepoMXWu7EFe7FtnV50GaLXzHMjpmjH6F0Sx5dBZ m1TO3ntmcMT2ONjNXZ/LIfasQdwfbRMZGi9Tu7m4lwXK6iUsT3rtvoU2NZd9RAvG u5SpLjw6JcpazzWuyESRIhv4B99TmL+rWclsnnwraCvbUAdmKzCU0+P5ds53bMfH 4R62rakGZCt0xXMMPFXXq8reOpQVGxObQqYsCEZytbqbfOdvJfizzzC4rWZsyHhl lnvxLPw1aEIwGcLYzec2bAhIAMwpNzjFXKfwXKPvcTQJMGcOHrfeRhXcR96r9AHl DsaFjS6Q29BM/Nx1+vMss5eA2eAuIiDae7PmB/e9V4HHXgBmRzbJEn9ycU6dqCOC kTSSOepEiCng+2an8k0XS/XQ/4OGC46VIJlHSm5Lac8wb78ObLKkTtCfzKiBQSp3 MWcfCb1crLyzc16JmHGyzNNtdzcDTYEsFEZppNaHl1RcopDI5ASormf7lHWTHBAT yHS0A9WTjcdMvbYiz7/dvVbkF1CSZqXZIEjdcZKp3sl2mDjN92l5mL+HYX8CjUZK wEi6ZK7a+76UCn1NcnVWAqnk6b0CAwEAAaOCAnAwggJsMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQULuzpRo6nRkmubh2JXXLcGz8mdb4wHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AHR+2oMxrTMQkSGcziVPQnDC v/1eQiAIxjc1eeYQe8xWAAABa0us2pwAAAQDAEgwRgIhAMfOaruPbkAWoAxmEiNR PSx4sCs2tp/YlCGHd6NZovF6AiEAv0oHH5Bv9qgZdfSmhn3QXfggyvAuiBMvzOLi uOGf3C0AdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAWtLrNqu AAAEAwBHMEUCIQCYXtGGMQXpp/BlKaePh4hIio6Z1zmOdxMPXSBMH78amQIgbnxg UDM5yP9ZvS3GK5P0nvi9ISca6QH2ciaCfd8mQNQwDQYJKoZIhvcNAQELBQADggEB AFQe/Nujv32Cx799/fT7woyrh2VMGr41aEtZh2xZAO6ffvQ0v2ibDfZlHI128Z5B 5zzeCVgRzCzbJvPePwpNcIuBvbCm1VjlJ8o3Ydpowxze9z5CVZO925GtINRG3C/7 LqHyDnDkDlC3mmtXcj+WvyRCZHjgpkzL2p9pSFjbo7UpZX53nSOQDyBAZuRGGm45 AhcB5Sf9MufDVE3TkubN5ieUFzgj+OPWsySCNFjyYe7fgyNz1djyq26zOZrhgqMW hCOC/OLGK/54saaVsLTAKXfDZwa+K+RUQ8QQxWpc7kWvf/IlYg3fZ1L0R08CFHqG 3wt60A5RVo2BrvJ0x0BobmA= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnPd+A5R0uwHozKzuKLhV E4jRyUgSWz372zU7nHThDZBzZLx34JjyQfVRzVQ5V/FMOPIvlVdi+PGcAGFdXGP1 RZgNswtIN9filYZrcFHJRepoMXWu7EFe7FtnV50GaLXzHMjpmjH6F0Sx5dBZm1TO 3ntmcMT2ONjNXZ/LIfasQdwfbRMZGi9Tu7m4lwXK6iUsT3rtvoU2NZd9RAvGu5Sp Ljw6JcpazzWuyESRIhv4B99TmL+rWclsnnwraCvbUAdmKzCU0+P5ds53bMfH4R62 rakGZCt0xXMMPFXXq8reOpQVGxObQqYsCEZytbqbfOdvJfizzzC4rWZsyHhllnvx LPw1aEIwGcLYzec2bAhIAMwpNzjFXKfwXKPvcTQJMGcOHrfeRhXcR96r9AHlDsaF jS6Q29BM/Nx1+vMss5eA2eAuIiDae7PmB/e9V4HHXgBmRzbJEn9ycU6dqCOCkTSS OepEiCng+2an8k0XS/XQ/4OGC46VIJlHSm5Lac8wb78ObLKkTtCfzKiBQSp3MWcf Cb1crLyzc16JmHGyzNNtdzcDTYEsFEZppNaHl1RcopDI5ASormf7lHWTHBATyHS0 A9WTjcdMvbYiz7/dvVbkF1CSZqXZIEjdcZKp3sl2mDjN92l5mL+HYX8CjUZKwEi6 ZK7a+76UCn1NcnVWAqnk6b0CAwEAAQ== -----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 283128011683512369111994607167965978741321 . . . . . . . . [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 2019-06-12 11:32:27 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-10 11:32:27 +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 640368538116867902800114827541322886827821098421307391383413108153544779941343834543880303555671385707760820782765175903142527023113476504748519354707252259604070551892855908636598168588281474339202211504075889334879090508347776863530553278917484084485017262028716378390431230995440034359480081244725854181323188924079918181423216363248359460397750648326012986794774785989797153174438678363067934900138801428342667180095773046670098109419028169127825916892978941253028550565885413204479021743691284872859888241194718981290762097143069300795606213164440380930528064889659463168561303219888618326453665500854778666976639393441168901537318797894411244086161579675667808965640802812064955037408037290703117455421209047155918482037829915375953725274925845161358597633090017257905836320931504156003654636919783998332836032169671950712459694442411837405784413298792237054744339242536954518269746936381593281631655735573845790403944082733725545218702865528757496596321380925692103355301169638566014287790333485734904951300710664052316414581198719774028272270600298246223732063519503099006381540052951205792341173223663590692198590636762910891912755578434060209850049319522741473574100259056457557481018510853780474584825567966589084238145981 . . . . . . . . . . . . . . . . . . . . [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) 2eece9468ea74649ae6e1d895d72dc1b3f2675be . . . . . . . . . . . . . . . . [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) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b4bacda9c0000040300483046022100c7ce6abb8f6e4016a00c661223513d2c78b02b36b69fd894218777a359a2f17a022100bf4a071f906ff6a81975f4a6867dd05df820caf02e88132fcce2e2b8e19fdc2d007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b4bacdaae0000040300473045022100985ed1863105e9a7f06529a78f8788488a8e99d7398e77130f5d204c1fbf1a9902206e7c60503339c8ff59bd2dc62b93f49ef8bd21271ae901f67226827ddf2640d4 . . . . [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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