learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:d7:e5:8e:22:18:ff:9f:ee:bf:18:79:4b:f1:c3:fe:2a:40 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:d7:e5:8e:22:18:ff:9f:ee:bf:18:79:4b:f1:c3:fe:2a:40Serial Number (int): 421914983823813928360196576555543883033152
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 35:6d:17:f1:74:b0:79:67:92:01:3c:5b:f5:4c:a6:e9:04:42:c9:88
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 43:bb:0a:9d:6c:5e:68:41:ea:9d:70:89:af:8f:e8:83:08:94:06:2e
Fingerprint (sha256): 44:1d:b9:fe:7c:71:9b:44:48:f1:f6:69:dc:08:5a:a4:81:82:97:c9:72:f4:13:7a:a5:69:6b:66:f7:87:d8:5a
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
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Certificate
The complete raw certificate details for learn.columbiasouthern.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGazCCBVOgAwIBAgISBNfljiIY/5/uvxh5S/HD/ipAMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MTQxMDMyNDZaFw0x OTExMTIxMDMyNDZaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsczrb7iMB+P/MLEf q8Mt7xeR6eZ1KreX4IgwqWJNnb9xEmBADyrPi6/XSu5TeaViJAAofcmSmCmbUJpY dwys9sKvxExmJBhQLZhVozXxeLe2BZfK2kxjiHipm/eVm+SENJ/MkCU6o7FwsSU1 ZpQ3So3CaLWEMjhdMzklg7VEOqB4zRUOn9a4VMIwSQCBZklXEdnTiaSMM8JqJ+3g TszPBIoOwaUuj5GnV9TPejCj6V0BvhyukGQSnDKvIuirYuwvf8g0q6/Evx0dLyvc sGxuPdYeIU9nsLd4cnO5pRxp00O9akF5p427XrG8CRxq8SjkdZXZRpKR5JaY0yz8 LrzCTAmrvRz5GZ35jr+8JhiKCjEVBnpmfeRoH7cQGCsYlRdaB/3PByjThAkZD+RJ E2yDuF9eaUgYi2+SdYgzyiYoYlNGm5K1+vy0UoFs2KbZN1a7As4xIslr5RVIWURV jj+6e16hUBBZvXnt04z4GjOjayrWXiNuyf3yaV9CGxrVlfqiZHLs2F/gLTuexnlk FqI6apF8aI3SwWKDR/p25DwVvtGHfPeRqLXZw161oNVQLWkWoPEb05TuQk88AE+L p3MbUstPn0oVNpiD+1qmwFDPu//IOpjm1ETYP0af2J/B6NVfmcOGHuKRGEuPlctP 2z7b9fIOylTXXcfd0fxBHCrIJHcCAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUNW0X8XSweWeSATxb9Uym6QRCyYgwHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB2AG9Tdqwx8DEZ2JkApFEV/3cV HBHZAsEAKQaNsgiaN9kTAAABbI/m2g0AAAQDAEcwRQIgHgvO4Dj2gusHEP5K/Kn4 NA9gM2m0u61jrDLciFuxF8YCIQCtQAbZt9PQ/SrGvvZLde2PP4Gnk/PR2w/qa9Db APxhjAB1ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABbI/m280A AAQDAEYwRAIgMM3/iLLZdeuphbAbYD7Zs+VCXub10D3RGcxWGrj+Yd4CIGuOujY6 PA6mZAjvrqzelnijUuQAdI4xaQk37nNPpIc4MA0GCSqGSIb3DQEBCwUAA4IBAQBz Z44zoTxStxmSHkufWwszOAT19ogUbyBhHjTSxKw4meUfVvGpzyj8e9Mqm5yLmCh1 0KpR5ZJwctVeRlHB0lk3A7IEAlsx25/jGvLkIkUweg2oFYOSS+9vtwT2ZEFzHswn GEgVz2P5NEmSX+2MvjDWtmRLEwvaByDmbGWJrdXI2oS59UR+Ki2iJCk9S3gcoNd4 kYImKWBsdOIWjWyfXDNDqnVgistDyHYimHKm3Kt6yXEEemOItYOzMWkJDl395ViV gzP9Lnu51kVyPjC1M6ZXUmy2uA8XuWnl/6fhGAmGxmYyh18DKgJ6a7uXTH2p50OG gSypm5WB3fOEBZn7hIdv -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsczrb7iMB+P/MLEfq8Mt 7xeR6eZ1KreX4IgwqWJNnb9xEmBADyrPi6/XSu5TeaViJAAofcmSmCmbUJpYdwys 9sKvxExmJBhQLZhVozXxeLe2BZfK2kxjiHipm/eVm+SENJ/MkCU6o7FwsSU1ZpQ3 So3CaLWEMjhdMzklg7VEOqB4zRUOn9a4VMIwSQCBZklXEdnTiaSMM8JqJ+3gTszP BIoOwaUuj5GnV9TPejCj6V0BvhyukGQSnDKvIuirYuwvf8g0q6/Evx0dLyvcsGxu PdYeIU9nsLd4cnO5pRxp00O9akF5p427XrG8CRxq8SjkdZXZRpKR5JaY0yz8LrzC TAmrvRz5GZ35jr+8JhiKCjEVBnpmfeRoH7cQGCsYlRdaB/3PByjThAkZD+RJE2yD uF9eaUgYi2+SdYgzyiYoYlNGm5K1+vy0UoFs2KbZN1a7As4xIslr5RVIWURVjj+6 e16hUBBZvXnt04z4GjOjayrWXiNuyf3yaV9CGxrVlfqiZHLs2F/gLTuexnlkFqI6 apF8aI3SwWKDR/p25DwVvtGHfPeRqLXZw161oNVQLWkWoPEb05TuQk88AE+Lp3Mb UstPn0oVNpiD+1qmwFDPu//IOpjm1ETYP0af2J/B6NVfmcOGHuKRGEuPlctP2z7b 9fIOylTXXcfd0fxBHCrIJHcCAwEAAQ== -----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 421914983823813928360196576555543883033152 . . . . . . . . [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 2019-08-14 10:32:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-12 10:32:46 +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 725362622423604337231037925805515561799031990423674087551277189133015549636140874929823973500103048711305579743372019719183027479010188551999345728685181663901738452444610980159878169423563100322254942078131044536102413705064811689814713785863825316909370556019401582327288724054505933579993822174122967704320140712505094319971183919751560714888602039063848692300608716737885976725576648405476622844761557534665273234094801182549685602590874352254678088372547034975721976515401246251565711216400698844948651422489646024211045439610082769579599898610674563880751416499490778663448012208490134733860420596330878225001545393809664588468742359259389671253691326969083164488360534599394445388659492633378554492106546378154370256063941349513229998582334178799810171238501616428146364343455017719247509684946841606746039228801921557625078423165858882469772741798640709797138502952355964317304066275031801292899628018054762782047225284323417409996040976810317032629666977353731554311148539458587997845143626706782305305799677750388190796748974833112069245674097966384809316368141266976770160369382993088207385177469973818960980701833895587109288878706381545130965873495770722221309120009166716360153979274263298162372402007941156723594110071 . . . . . . . . . . . . . . . . . . . . [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) 356d17f174b0796792013c5bf54ca6e90442c988 . . . . . . . . . . . . . . . . [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) 00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016c8fe6da0d000004030047304502201e0bcee038f682eb0710fe4afca9f8340f603369b4bbad63ac32dc885bb117c6022100ad4006d9b7d3d0fd2ac6bef64b75ed8f3f81a793f3d1db0fea6bd0db00fc618c007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c8fe6dbcd0000040300463044022030cdff88b2d975eba985b01b603ed9b3e5425ee6f5d03dd119cc561ab8fe61de02206b8eba363a3c0ea66408efaeacde9678a352e400748e31690937ee734fa48738 . . . . [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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