symposium.blackboardanalytics.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b1:37:1d:fc:34:a3:0f:e9:af:c9:d9:f8:f6:ef:7c:c4:90 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:b1:37:1d:fc:34:a3:0f:e9:af:c9:d9:f8:f6:ef:7c:c4:90Serial Number (int): 321640099972001465720904922302678835184784
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 00:1a:c9:fd:59:a9:2b:a8:a3:04:54:2f:13:6a:c7:ad:78:d3:a1:12
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f3:9c:8a:9a:90:3a:44:3a:df:28:07:82:de:9a:75:84:6b:9c:ce:00
Fingerprint (sha256): 3e:cf:98:ac:72:31:92:b9:7e:8f:ca:f5:a4:c0:c8:29:e4:81:a0:6f:d8:60:a1:36:e2:3a:07:ee:62:3e:3e:f5
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----- MIIFezCCBGOgAwIBAgISA7E3Hfw0ow/pr8nZ+PbvfMSQMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMDIxNjM1MDJaFw0x OTA0MDIxNjM1MDJaMCwxKjAoBgNVBAMTIXN5bXBvc2l1bS5ibGFja2JvYXJkYW5h bHl0aWNzLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALv64xN/ qkR4Z5wDjheJu1vbhOfuV2L38C7mhjTZvcJ0p5XNVSupND9KH9dWiFrmjjcpgEcz 2hSWNR3BRBa8KB2XWiZ76R/CyOy/B5FOCLPTVT/tg3ucIq7rEByfFNYP/zormfY6 rJWJpSySQQLbFvD6NrUlmTxH1KlCeOBaD+fky9vTG4hoUqIeWzjtYVSu3k48t9zO n8M6f/HCWzNcM5cqZVXAOogcV/bmAFRfN2bWUR/EbYF/5Ft1eIwH5agCGeIq1OtM iAIFL0Du/7RpU7JH5PzIcfw2LsGWQNFMlMbggbGKhGofgcseYgyGBEWOTyH+BGQv /iXNodH+nEtwrcMCAwEAAaOCAncwggJzMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU ABrJ/VmpK6ijBFQvE2rHrXjToRIwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAsBgNVHREEJTAjgiFzeW1wb3NpdW0uYmxh Y2tib2FyZGFuYWx5dGljcy5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYB BAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwDiaUuuJujpQAnohhu2O4PUPuf+ dIj7pI8okwGd3fHb/gAAAWgPogU6AAAEAwBIMEYCIQDbtSpDAts75Uay1dBHxpdv oCJm4BLeQvNZhtH05+n7nAIhAJskPY51n24P2gyz0TnN3JPb6SjlCy7fY5hw2kus nCbCAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFoD6IDRgAA BAMARzBFAiBlAvadeCxsqtjiNDeXa44Gk/eWwjGjk8ooH5U2lJh4AwIhAK3WCW0Z IS/OOV2BigTGOkhyzVQ6qpYwXke+0osAFBXOMA0GCSqGSIb3DQEBCwUAA4IBAQBU Nna78dXAnV8+dy/xxqEEBtT2EBufYExSIok+G9WnoOtMLwaET0Z2fo4haCJ+ZXm9 OPhg5rLcKJKkSj0M/kaRRwjzRHIDLp2uUAw+LYrLuvDxcR79TiwKwsLHHrPUe2EH eBKAWO7LRC617Y6kBoV2TN8ItQXL4w2Jbilnxy7MRf88vW1qbFnyzMY0hTwRDsP6 FR/LASxlxEQXR4Dj6zly5o70K/wtP+YQJAH9MzXrimBewoezw9qm6LjvmKkE42eH 9Za2lwfzh78/N9ZED/OajfFgJNNlyjlfnVNVvx4WMVvcGByxo47CiSKR9FGHIyPJ D2HlNW8+o+LWjtf8WEsp -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/rjE3+qRHhnnAOOF4m7 W9uE5+5XYvfwLuaGNNm9wnSnlc1VK6k0P0of11aIWuaONymARzPaFJY1HcFEFrwo HZdaJnvpH8LI7L8HkU4Is9NVP+2De5wirusQHJ8U1g//OiuZ9jqslYmlLJJBAtsW 8Po2tSWZPEfUqUJ44FoP5+TL29MbiGhSoh5bOO1hVK7eTjy33M6fwzp/8cJbM1wz lyplVcA6iBxX9uYAVF83ZtZRH8RtgX/kW3V4jAflqAIZ4irU60yIAgUvQO7/tGlT skfk/Mhx/DYuwZZA0UyUxuCBsYqEah+Byx5iDIYERY5PIf4EZC/+Jc2h0f6cS3Ct wwIDAQAB -----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 321640099972001465720904922302678835184784 . . . . . . . . [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 2019-01-02 16:35:02 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-02 16:35:02 +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 23730280027374555812481566163598984677100782187215053672371153085711976867990159634397680307726337857978850328212296603011378001340418121059630929466606801106908809530815413597591750944811008609400828681518363659833317075928047096232326032077862866909031841717091508790899587047576424110414221586252705337312054374402413446826430251782316298564031503763852982174932881026534413189691704378884478953705385268275777543852810290104218565392033131515319701294480615865336292420279480586664483362361337626219005627983785066928293232300198951867417269296218043870411070865981712871825836416911381703109384555865891344002499 . . . . . . . . . . . . . . . . . . . . [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) 001ac9fd59a92ba8a304542f136ac7ad78d3a112 . . . . . . . . . . . . . . . . [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 (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) 00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001680fa2053a0000040300483046022100dbb52a4302db3be546b2d5d047c6976fa02266e012de42f35986d1f4e7e9fb9c0221009b243d8e759f6e0fda0cb3d139cddc93dbe928e50b2edf639870da4bac9c26c2007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001680fa20346000004030047304502206502f69d782c6caad8e23437976b8e0693f796c231a393ca281f953694987803022100add6096d19212fce395d818a04c63a4872cd543aaa96305e47bed28b001415ce . . . . [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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