blackboard.agency
Issued by R3
About this certificate
This digital certificate with serial number 03:ed:9f:9d:65:9f:f7:9f:fe:1a:90:cd:0e:79:e8:c4:6c:39 was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=blackboard.agency
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ed:9f:9d:65:9f:f7:9f:fe:1a:90:cd:0e:79:e8:c4:6c:39Serial Number (int): 342195943258677031397609934540129760996409
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: f6:d0:85:08:78:8f:e3:38:0a:19:e1:c6:27:06:4d:74:71:e0:54:56
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): d9:94:90:dd:42:7c:e3:bc:75:10:0e:44:ff:fa:2a:f0:31:77:c5:6a
Fingerprint (sha256): ce:70:a9:ac:b1:54:91:72:50:b3:bf:09:3b:bf:ea:6a:04:ec:5f:07:88:af:3b:bd:e2:1f:bd:4d:e9:dd:72:84
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate blackboard.agency
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for blackboard.agency
Public Key Algorithm
RSA
Key Size
2048
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
blackboard.agency
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www.misdevocionales.icu
Certificate
The complete raw certificate details for blackboard.agency in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE7TCCA9WgAwIBAgISA+2fnWWf95/+GpDNDnnoxGw5MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA3MjgwMDEwNDFaFw0yMzEwMjYwMDEwNDBaMBwxGjAYBgNVBAMT EWJsYWNrYm9hcmQuYWdlbmN5MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEAxJaZe/u0IPfl4Zbc7uAiXF5XSlDgBwGkcunAX+UF3uEPJVPjr7vpnhPoLpvk ydht2upc2c6Oq3O/NV+uCVGhIgdW6Yc5uPArZKuDs7HtqObWbCbeJrUU06aIlwex hascCv3RUeY9aRLYaZY/87LVQ9vQg1vvbahSuflRV47ES9NceVqIQxFPFdKB/G7h Bhp0cNRHgVcLRWcdxv0cpT2qhw8OrwcEp9FitWdj01AVbjCqAuRW91m38DfvLzA3 KVkcuHBkfADagHB7nThXGqhyyFx1pagEqHHb2uVsZz6aSI8aMiXgODRdeWNOoPs9 kAE7YSGX/sNJcqH+K7EFEawcXwIDAQABo4ICETCCAg0wDgYDVR0PAQH/BAQDAgWg MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G A1UdDgQWBBT20IUIeI/jOAoZ4cYnBk10ceBUVjAfBgNVHSMEGDAWgBQULrMXt1hW y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6 Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu b3JnLzAcBgNVHREEFTATghFibGFja2JvYXJkLmFnZW5jeTATBgNVHSAEDDAKMAgG BmeBDAECATCCAQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1ALc++yTfnE26dfI5xbpY 9Gxd/ELPep81xJ4dCYEl7bSZAAABiZoMQPkAAAQDAEYwRAIgFEeMtk+DVkK46gMz /7/3XiK2fXpReR/tv2LQOjtNvKECIF9Rlu9jEd48qjUe+/AedEFUcL9o9Dlb131u CgZKhk/rAHUAejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGJmgxB AAAABAMARjBEAiBlAca2gVvL0QWz1ls5g0o2HSRANEH5mdVzbvJ7I64FkAIgAgGA 7nt78s6lp9PWpTCT2OeYEU1UGbC5RAOsJd49I0MwDQYJKoZIhvcNAQELBQADggEB ADU9NlWMVSamGq8vjczeOv4QLwcDuh43MwylGacRilU3A6b0VjE/QxnRNPV4KNG6 q6OqrWN7Xwx+nUZt0qKQTLklweIpOMSt85qbcLrrCsA/0xk4x+qnrewJqlsGiPTi +Y6200BLUFplbkoLJ2Nyxscco2HL6/UD+U5eIuUuRlxCOU7I7fAMYsO72/+/CcPU n7ay1K5ccX9S8QWE9XmMGZL/2+IgdMWDr8WPy73FLXPyEiqqOhf6toUr1ozRsAHr 61s1aeYdteYT/K4+pFsEmdYNVRblp7AlonepA4Up0+DgghX5ilHYMNylCbVxea/U bkFKQS1NNF/zeMU84Kz/6S4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxJaZe/u0IPfl4Zbc7uAi XF5XSlDgBwGkcunAX+UF3uEPJVPjr7vpnhPoLpvkydht2upc2c6Oq3O/NV+uCVGh IgdW6Yc5uPArZKuDs7HtqObWbCbeJrUU06aIlwexhascCv3RUeY9aRLYaZY/87LV Q9vQg1vvbahSuflRV47ES9NceVqIQxFPFdKB/G7hBhp0cNRHgVcLRWcdxv0cpT2q hw8OrwcEp9FitWdj01AVbjCqAuRW91m38DfvLzA3KVkcuHBkfADagHB7nThXGqhy yFx1pagEqHHb2uVsZz6aSI8aMiXgODRdeWNOoPs9kAE7YSGX/sNJcqH+K7EFEawc XwIDAQAB -----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 342195943258677031397609934540129760996409 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-28 00:10:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-26 00:10:40 +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 'blackboard.agency' . . . . . . . . [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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24816971178342600541278345578465166143588774012405974378224892580405611570319735737933040529352317289955245596455623432249070584653160192175775644882915699745524817277945532422627680359096905089945635315264669589649892857487686639787568589623432214964231965153284675468559004908102786118963316711076824283272625416042606061315683926500381723635216860889602213765740565054195600040400929789419640506233288882371652236845853252447983021247945160111954416353862026538877442313681259481895965604358813042139162682860535518132703909363352079792665856441992157419052700679905636477040679153135366266653411880519627988278367 . . . . . . . . . . . . . . . . . . . . [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) f6d08508788fe3380a19e1c627064d7471e05456 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blackboard.agency' . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001899a0c40f90000040300463044022014478cb64f835642b8ea0333ffbff75e22b67d7a51791fedbf62d03a3b4dbca102205f5196ef6311de3caa351efbf01e74415470bf68f4395bd77d6e0a064a864feb0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001899a0c4100000004030046304402206501c6b6815bcbd105b3d65b39834a361d24403441f999d5736ef27b23ae05900220020180ee7b7bf2cea5a7d3d6a53093d8e798114d5419b0b94403ac25de3d2343 . . . . [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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