learn.columbiasouthern.edu
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7f:27:92:c5:4c:2e:b8:8d:e5:c8:fe:41:6a:4b:35:a6:d8 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- 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): 03:7f:27:92:c5:4c:2e:b8:8d:e5:c8:fe:41:6a:4b:35:a6:d8Serial Number (int): 304605320363087374296955503281770794952408
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cb:9d:5b:79:3b:f5:d0:ed:5d:4e:96:9b:2f:30:12:fa:3b:5f:5b:72
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): cf:ce:1a:2c:16:84:65:db:0f:5a:d9:9f:29:7e:c0:1f:86:f6:f7:45
Fingerprint (sha256): 73:0a:ca:fd:07:ce:7e:95:a5:cb:63:bd:45:25:02:64:57:7b:c3:48:5c:d8:29:8d:d1:9f:a9:a4:69:eb:5c:8f
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----- MIIGbDCCBVSgAwIBAgISA38nksVMLriN5cj+QWpLNabYMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTQwODM0MDVaFw0y MDAzMTMwODM0MDVaMCUxIzAhBgNVBAMTGmxlYXJuLmNvbHVtYmlhc291dGhlcm4u ZWR1MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAoB9tsNjoA1HpzBKH c9a6EhqQvbUy4Locllqd+zE2YEzevmqnGeTVYveJUcI/ITXTiXrtwR4CVIlAJhKR NDsAZBsRNuOaxT7darC3J0Wqavvibl5GYU1gdC9VzJmqJOyfaGX+RE6qCgtJELBJ Rndhw8TLj6aviAGjDpLA9XX4E7JtFRKdIOrdfh6aYrCRlddhJhYosLvlHMjnubJr jj3iV9j4FzZV8LjekqzisGjSAgU+L0psZScB2z149W+cilk9vKlCA3SPBItBpguJ UTgl4HT05plGd66IZB99zDiWX/hVS4hE8YlrhxOmFKZpw2oc1wX8Y5ScCniHF6uV 4Jxfix1K14HOkTe8OQpKWd4TWfQjciyG9lnXH9CjjS8hxHVtzU75jj0awgW5BjWn cVs6W5USckiozKgGaKA46RCSWn5UuhGMy1OHWsC7Mzsvn74cjNJPZn7VlskrVfgg WsDvxxyiALFHkHu0PnYfj4nnDxzYNmJ3uCXLvs1c2MfD8TvArBvA0xuZsQKW6cDi boY6w/u5C5lHqaGXtgYXHe2epngbvdvEPk9gdetpXY8UF5jruJ4MixQvFP/xVkN7 i20cDO3kpHaNlSUJtt9/VgZHoKn8vM2LV5cEEuRTG2L1F3fENV8EXTc24zjAmK7u RDgPX9EdwBlaRfhpBRvhByzeSycCAwEAAaOCAm8wggJrMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUy51beTv10O1dTpabLzAS+jtfW3IwHwYDVR0jBBgwFoAUqEpqYwR9 3brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRw Oi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRw Oi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAlBgNVHREEHjAcghpsZWFy bi5jb2x1bWJpYXNvdXRoZXJuLmVkdTBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2APCVpFnyANGCQBAtL5OIjq1L /h1H45nh0DSmsKiqjrJzAAABbwPCB2EAAAQDAEcwRQIhAP/NsoewcKEhrRhXmADq katE8R8pVeJ5fB/8kHx8oIDBAiBfdjUZCuS43Bat1St3TqP5r28LFpOw+z45/0mf wTvo7QB2ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABbwPCB1UA AAQDAEcwRQIgVkOkorNU6JMr6RhdQA44jYDOr4OXA9HFtWBwM3vDBWYCIQDGY6Lk RK6al+l4Ac1aGWcTfVYPZa7LBYV/97x0fEUeqjANBgkqhkiG9w0BAQsFAAOCAQEA Twl4E/v1w4fzIvzHW13Xy6YCvaqpM9s0OTZridhaNZiKQHOt6WsEtTMhPrt6fZoF 0z/CIfu9sXDAkoNg4UhZK99qU0moxZwkawoaApnuiEL8x1wiylQ+W1Q50gH95Aoj 8cu0DPt+7hYNGPAH43dpHt3icMZZyg3TrxpmR5tSVmg1H2YaiV6p7CBRuWfYfw3f RAi6XDaLgZXjivgntIy/bXf5rDDvFYhiO3F87FJ2m6koz5hr0OWR6cR3BEk+/J6x 2FWB/OLAyl1ROZg3EzutUkcFVgxqFKwQnc26ntW6SnYUY+v7DYUsw8HEOh3dN4Ty oYplsONnc2+Vn3CX5yFqwg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAoB9tsNjoA1HpzBKHc9a6 EhqQvbUy4Locllqd+zE2YEzevmqnGeTVYveJUcI/ITXTiXrtwR4CVIlAJhKRNDsA ZBsRNuOaxT7darC3J0Wqavvibl5GYU1gdC9VzJmqJOyfaGX+RE6qCgtJELBJRndh w8TLj6aviAGjDpLA9XX4E7JtFRKdIOrdfh6aYrCRlddhJhYosLvlHMjnubJrjj3i V9j4FzZV8LjekqzisGjSAgU+L0psZScB2z149W+cilk9vKlCA3SPBItBpguJUTgl 4HT05plGd66IZB99zDiWX/hVS4hE8YlrhxOmFKZpw2oc1wX8Y5ScCniHF6uV4Jxf ix1K14HOkTe8OQpKWd4TWfQjciyG9lnXH9CjjS8hxHVtzU75jj0awgW5BjWncVs6 W5USckiozKgGaKA46RCSWn5UuhGMy1OHWsC7Mzsvn74cjNJPZn7VlskrVfggWsDv xxyiALFHkHu0PnYfj4nnDxzYNmJ3uCXLvs1c2MfD8TvArBvA0xuZsQKW6cDiboY6 w/u5C5lHqaGXtgYXHe2epngbvdvEPk9gdetpXY8UF5jruJ4MixQvFP/xVkN7i20c DO3kpHaNlSUJtt9/VgZHoKn8vM2LV5cEEuRTG2L1F3fENV8EXTc24zjAmK7uRDgP X9EdwBlaRfhpBRvhByzeSycCAwEAAQ== -----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 304605320363087374296955503281770794952408 . . . . . . . . [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 2019-12-14 08:34:05 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-13 08:34:05 +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 653243898581966483657629224613156301045210642618586228872931172605368180793928487921544873829823925803700799357686141913136536606107917853554696516923437293415900103740234649153357711317744270911601071645163563498721570007448810756685111164261036686431371029005013760503815493869226487780164593965657347615227624910944810447631853439702797343663586120270613209018991993542979540766593829471812875976955325780025171114066570018872419807533997221396663682908944964140447843937706447784265617040612949170232403760670404138030998468204299497155262789580284377768151739317430470801425775786300434000723775526347421544376639792204882405140903841557614043438083719860874020760383451419119452425169742268553575915702392434187637845446417598429980869410777957168201627094793117947759840848129791350281045571447422860430075685305394303104873686343029024909617158185769798175087374562969306314745816087216203708696964044731267248848899989263500354976634668735197201306332407565927976445833975567902368423501111671397182428306762802336545146595572222439409355497834450911474734294911091129601652857760158310815103620795991086699252251168983124099254500680020545177208465514812837452846321866552696856527929700891224599586382468398060436241402663 . . . . . . . . . . . . . . . . . . . . [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) cb9d5b793bf5d0ed5d4e969b2f3012fa3b5f5b72 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f03c207610000040300473045022100ffcdb287b070a121ad18579800ea91ab44f11f2955e2797c1ffc907c7ca080c102205f7635190ae4b8dc16add52b774ea3f9af6f0b1693b0fb3e39ff499fc13be8ed007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f03c20755000004030047304502205643a4a2b354e8932be9185d400e388d80ceaf839703d1c5b56070337bc30566022100c663a2e444ae9a97e97801cd5a1967137d560f65aecb05857ff7bc747c451eaa . . . . [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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