crossknowledge.com

Issued by R3

About this certificate

This digital certificate with serial number 04:21:ef:59:16:51:90:81:8c:5a:2b:c7:ce:cb:85:30:98:f6 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=crossknowledge.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:21:ef:59:16:51:90:81:8c:5a:2b:c7:ce:cb:85:30:98:f6
Serial Number (int): 359996609893520175273701743091757490411766
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 04:44:6a:c8:a3:19:d5:b1:4a:73:7c:58:7f:b7:f5:6c:39:01:b2:62
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 39:f1:32:c4:a0:02:3a:f4:b2:47:bc:39:74:55:1d:79:cc:e8:28:b8
Fingerprint (sha256): 17:2e:74:ad:6b:06:36:6b:ce:61:e6:b9:ba:58:aa:b7:4e:0b:05:6b:67:14:df:12:3b:3f:a7:cc:bc:0c:89:e5

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate crossknowledge.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crossknowledge.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

crossknowledge.com
www.crossknowledge.com

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www.hub.crossknowledge.com
documentation.crossknowledge.com
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*.moodle-staging.crossknowledge.com
feeds-status.backatyou.com
site-status.motor.com
*.crossknowledge.com
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*.na.crossknowledge.com
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documentation.crossknowledge.com
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sgp.crossknowledge.com
learningwire.crossknowledge.com
crossknowledge.com
status.crossknowledge.com
*.asia.crossknowledge.com
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status.palmerdonavin.com
*.crossknowledge.com
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sigal.crossknowledge.com
nextconference.crossknowledge.com
www-preprod.crossknowledge.com
crossknowledge.com
*.lms.crossknowledge.com
www.crossknowledge.com
www-preprod.crossknowledge.com
*.asia.crossknowledge.com
*.jnstaging.crossknowledge.com
healthstatus.clinicmaster.com
saml.crossknowledge.com
connect.crossknowledge.com
healthstatus.clinicmaster.com
systemstatus.rrc.ca
www-preprod.crossknowledge.com
status.iknowchurch.co.uk
warning-pages.crossknowledge.com
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*.sa.crossknowledge.com
learningwire.crossknowledge.com
*.sa.crossknowledge.com
trail.crossknowledge.com
status.bairdwarner.com
www-preprod.crossknowledge.com
*.sa.crossknowledge.com
*.asia.crossknowledge.com
warning-pages.crossknowledge.com
feeds-status.backatyou.com
blog.crossknowledge.com
*.na.crossknowledge.com
systemstatus.rrc.ca
*.lms.crossknowledge.com
crossknowledge.com
uptime-global.crossknowledge.com
sgp.crossknowledge.com
*.moodle-staging.crossknowledge.com
*.staging.na.crossknowledge.com
crossknowledge.com
sgp.crossknowledge.com
wobily.noc.cloudi.cloud
*.lms.crossknowledge.com
*.lms.crossknowledge.com
crossknowledge.com
connect.crossknowledge.com
www.crossknowledge.com
blog.crossknowledge.com
documentation.crossknowledge.com
blog.crossknowledge.com
nextconference.crossknowledge.com
lemtrail.crossknowledge.com
crossknowledge.com
info.crossknowledge.com
crossknowledge.com
www-preprod.crossknowledge.com
go.crossknowledge.com
lemtrail.crossknowledge.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw46iRMF7hwNtVI+uKl5U
F0CD5U3UkQMeBF8svfU9dGopQU40Ing2QVq1B+BFMG1Mn7ICzhEdYaQd/8z2o4yC
SvEOruHHbvRx9j8NrkB2VDdThoomFKEa0Ycr+N7Jt9BiGuqfFFcgkf3J61GgtdOf
eb3u1E1vLfFD14HJmJGlDtvFwp7KtZmSuKnUDvttZApeghzlw1S+QrS7sZo5epN5
As25V4MVnW5dTJFTfmhnbB9vkhJDh+O6DeLYszX0dSxVrsGI66gIDvk8vwZ1a2is
lILGQ2WDC/2oWV2R+PvWHZuUKqzLGtROWGuvZLR0QziNDryF+cVGICsOtMyOuvv4
ZQIDAQAB
-----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 359996609893520175273701743091757490411766
 . . . . . . . . [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 2022-12-08 11:42:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-03-08 11:42:11 +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 'crossknowledge.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 24686804846986700463286235473113579310640311389133520587690101062602581528438869452339616892952701902849061179936484875175962958584343852540185544183047237885328788321992471394861784671407872629842251491403749912828485536459849583589245555154424957554500881276697578384568150008763221433348736210875490343848174039032910683409070497266386346837523561884554602537558352214849828580677730541219147370984863199779155273255284942666036956568962165193514919553059246300356407560953783348314569168119667241859434381348711752591025577632034019588909291610597210916265772008296336673389410930207470033159467095714263857887333
 . . . . . . . . . . . . . . . . . . . . [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)
							04446ac8a319d5b14a737c587fb7f56c3901b262
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crossknowledge.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.crossknowledge.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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