symposium.blackboardanalytics.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:38:78:1f:37:bf:9d:e0:dd:5f:89:51:6d:27:88:6d:ac:98 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=symposium.blackboardanalytics.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:38:78:1f:37:bf:9d:e0:dd:5f:89:51:6d:27:88:6d:ac:98Serial Number (int): 280552339794264066610622852677654362827928
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 07:cf:e4:49:ff:d7:2e:a2:67:1b:85:16:0c:2c:ac:4a:d4:f4:13:aa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): be:04:cf:3d:ac:bc:95:17:17:31:fc:af:0d:dc:dd:d0:4f:47:a3:e3
Fingerprint (sha256): 22:2f:fb:c0:48:86:59:51:be:e6:13:60:e8:be:c2:d7:33:79:80:a5:f6:5a:03:b4:d9:0b:47:32:28:62:4f: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 symposium.blackboardanalytics.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for symposium.blackboardanalytics.com
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
symposium.blackboardanalytics.com
Other certificates including the domain name blackboardanalytics.com
(limited to 100 certificates)
*.blackboardanalytics.com
symposium.blackboardanalytics.com
*.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
*.blackboardanalytics.com
*.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
*.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
*.blackboardanalytics.com
*.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
symposium.blackboardanalytics.com
Certificate
The complete raw certificate details for symposium.blackboardanalytics.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGLDCCBRSgAwIBAgISAzh4Hze/neDdX4lRbSeIbayYMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODExMDEwMjU2MTNaFw0x OTAxMzAwMjU2MTNaMCwxKjAoBgNVBAMTIXN5bXBvc2l1bS5ibGFja2JvYXJkYW5h bHl0aWNzLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKfcwkDi qtGd5bOL72qnAusRmwDsE1y/3b4lGGRipzwODtQy3nKSUXbchFd5Ln/zi7nvlIwb vTe4Oq0cLway5wV7mM/kGQq7u0uBOUNCAw8G+Ess0MCqt63RYbYQKim0Vz84loYf scm3+8s3uh73smkttJQKLoeK5wiV0ukHvOib0p8jfiTgR7puHZo5hpRFXckMz8is sPhcD44Da5vbVnSgH86Z42R92Bn5I42XMmdVRW44n6oprbTitJcWKRamCACk495E +glCa5tQI6Z9umPUV2Gm4SAqsN5/zBKSI8YoRD1arVv+KooaDgb1Qg+mIHz6ZG3a Z2L6as0qkNODB2MCAwEAAaOCAygwggMkMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU B8/kSf/XLqJnG4UWDCysStT0E6owHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAsBgNVHREEJTAjgiFzeW1wb3NpdW0uYmxh Y2tib2FyZGFuYWx5dGljcy5jb20wgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYG CysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNy eXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBv bmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBp biBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBh dCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzCCAQMGCisGAQQB 1nkCBAIEgfQEgfEA7wB1AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xW AAABZs1qFK4AAAQDAEYwRAIgYA5iJjkhGV3gLsOrxt/TG5d8qQUVwdSxe4iYjdNf jDcCIAlskmsIRgLY7twhUDD5CJ1FxfeuzO8tkamN98fpYQfLAHYAKTxRllTIOWW6 qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFmzWoU2AAABAMARzBFAiEA5nVCk5KY QBSdBdfjA84O8eQn5yS+XkhjxqcYSd29zUYCIC9A2srs6v9jKmV+zj/ESVLz0GJu EmhoxBuFeMJfqLMLMA0GCSqGSIb3DQEBCwUAA4IBAQBfZVRLG/MDW0DotZ54LZBs T94pd34ZBG6dTBo2ISpxpVt2iyr4kfJi3h6KnQR7NbAdOntY+/Db6zfeIwoKGMKi LVgMV1QXGtBzQyzJ8ol/8gt3a8jUs0FRhQYR+5uRrF0lpDKFGwN4G7zil69F9luO j8kZ+ujRxjcg0JxWX1PgobnGjohyucBlEwhLFHICtZ73d0pztPpNVWMcjyrdziDP 6jhT+ShflyQXDBjtTnoXksJv2iU047Ngd847nJ+SYd6JC5bDOwYGFWi1t2aK3JLX LtH60I7Tz9HVZ10+Jt+kaUVqTXiDFEwbeDVed6pBRI6aO/dzBmNsKHqCaJ8EjubR -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp9zCQOKq0Z3ls4vvaqcC 6xGbAOwTXL/dviUYZGKnPA4O1DLecpJRdtyEV3kuf/OLue+UjBu9N7g6rRwvBrLn BXuYz+QZCru7S4E5Q0IDDwb4SyzQwKq3rdFhthAqKbRXPziWhh+xybf7yze6Hvey aS20lAouh4rnCJXS6Qe86JvSnyN+JOBHum4dmjmGlEVdyQzPyKyw+FwPjgNrm9tW dKAfzpnjZH3YGfkjjZcyZ1VFbjifqimttOK0lxYpFqYIAKTj3kT6CUJrm1Ajpn26 Y9RXYabhICqw3n/MEpIjxihEPVqtW/4qihoOBvVCD6YgfPpkbdpnYvpqzSqQ04MH YwIDAQAB -----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 280552339794264066610622852677654362827928 . . . . . . . . [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 2018-11-01 02:56:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-30 02:56:13 +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 'symposium.blackboardanalytics.com' . . . . . . . . [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 21190657152156564920763221763513485229717535959272905320376717682422448011240664861658348169656435330711215797982575938662121269684128812118916216802837172254723456715293670196994741283188410633801043832671066616031962561166119614718965090107958933827296635143011140966773996633080222581522247533369044356885078857592394514697668715671129159771004175771382084584062276110741825147641471211445870481282164458276830937075051326309544250553219814689203490011825743313717428879874457397830404575733550219576769024051312515951328633062260179732278101180111911887195314077588091299686354338071344140659960394406269028599651 . . . . . . . . . . . . . . . . . . . . [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) 07cfe449ffd72ea2671b85160c2cac4ad4f413aa . . . . . . . . . . . . . . . . [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 (37 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'symposium.blackboardanalytics.com' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000166cd6a14ae00000403004630440220600e62263921195de02ec3abc6dfd31b977ca90515c1d4b17b88988dd35f8c370220096c926b084602d8eedc215030f9089d45c5f7aeccef2d91a98df7c7e96107cb007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000166cd6a14d80000040300473045022100e6754293929840149d05d7e303ce0ef1e427e724be5e4863c6a71849ddbdcd4602202f40dacaeceaff632a657ece3fc44952f3d0626e126868c41b8578c25fa8b30b . . . . [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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