symposium.blackboardanalytics.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:83:f0:ba:dd:c6:45:e5:5f:48:78:4b:dd:3e:ad:a0:a2:9a 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): 03:83:f0:ba:dd:c6:45:e5:5f:48:78:4b:dd:3e:ad:a0:a2:9a
Serial Number (int): 306233832846249076285505109254723852083866
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: be:d2:84:99:da:31:0d:f9:e5:05:c4:55:71:4f:29:40:f3:90:18:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:d2:aa:3f:6b:24:8d:09:f2:5e:b2:77:ef:b8:37:5b:67:96:5c:e7
Fingerprint (sha256): e0:7c:7a:c6:bd:5d:0c:02:88:98:3c:92:37:8a:b1:f5:6b:6b:72:99:bb:6a:10:2e:6f:28:31:05:f9:ff:b1:fe

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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

Certificate

The complete raw certificate details for symposium.blackboardanalytics.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwqHdy8zNtgwXRzhfl7Ya
Te6iB+1jUvZcoRcU219/cIv6AeDBQmZsZiIfWu8L0oRhUJlZ5ofn+uMI62hdtjN7
9S63FmGfNUVQoRURkA1PTGcaqPaIHofUqTTvBJWlHnsAkRFuVU2zTmVeUUCgyyZo
G0Jryy1/GwU+l5AhesaY4iw+AbA2O+K7bmQ6t/nODF1vEQLJmE/BX6ZVfKnKQUsm
t5KhnxN8+MLQb4ox7m/xTnY/2BWInwTu09T4mt6imEl0ZqA/n6okY2C4awTUZdVp
Vq4ifmcU9S6MFZsFJWH9B/9Ok0IhbUW8t5km+8jJfDUj2ydlsoujOVRnBv5M9pJn
UQIDAQAB
-----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 306233832846249076285505109254723852083866
 . . . . . . . . [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 2018-04-25 18:30:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-07-24 18:30:19 +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 24570050455719007681632515667420330004174526462416313245956370903431836886326189988020106452879188400502118075698062623697961379312331160942571487502871623855732058468229638668861191172245446781417880891919848833244212785127832817765806067857659636180468155913865584826222222854954750465186513354488113254536083635956588168448925281265219343775944748095914601869833076715037694184548054196671763832510656390864506864540079456549336285094219196701820613130711712476477624044530798638720358925557987575779358994308976187862988614678764189633779577606496576451111395166399972588404723735606044077653620177352462062217041
 . . . . . . . . . . . . . . . . . . . . [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)
							bed28499da310df9e505c455714f2940f39018b3
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000162fe48ffe5000004030046304402204765ed535280e2dc2f82abed3ab18c8207b1010009d0d297affc4a4729375686022027620dd483f38b476fa01b0063f03de6e821766c8962fcf966a879fa45b8570b0077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000162fe49002b0000040300483046022100aaed3fa8c28322e85e2f8f74cc5a311867b18c341c1711b6af1b26f1123c7222022100fbbdf8bee9bb1f704f170322f81c542b1e0d5ce1328f9428da8bf29fda6f00a5
 . . . . [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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