crossknowledge.com
Issued by E1
About this certificate
This digital certificate with serial number 04:eb:16:08:c3:39:2d:e3:12:e7:53:f7:87:11:9e:3d:40:92 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=crossknowledge.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 04:eb:16:08:c3:39:2d:e3:12:e7:53:f7:87:11:9e:3d:40:92Serial Number (int): 428444788467343741244475200743168913784978
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: d9:d8:8f:f6:56:60:ac:e2:5f:f7:20:fa:c9:2d:f8:35:ba:6b:2a:61
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac
Fingerprint (sha1): aa:3e:6c:9b:17:9d:da:6c:21:d3:02:2e:30:21:d7:32:f2:5d:62:74
Fingerprint (sha256): 1a:d1:42:1c:7c:15:c0:f4:72:15:af:de:cf:dd:09:ba:3c:ed:f4:6c:cb:97:3e:c9:a7:f5:9b:fe:ef:fb:bb:ce
Issuing Certificate URL: http://e1.i.lencr.org/
Revocation information
OCSP Server: http://e1.o.lencr.orgCheck 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
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA384
Key Usage
Digital Signature
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
sgp.crossknowledge.com
sgp.crossknowledge.com
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(limited to 100 certificates)
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*.asia.crossknowledge.com
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*.lms.crossknowledge.com
www.crossknowledge.com
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*.asia.crossknowledge.com
*.jnstaging.crossknowledge.com
healthstatus.clinicmaster.com
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*.sa.crossknowledge.com
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*.sa.crossknowledge.com
trail.crossknowledge.com
status.bairdwarner.com
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*.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
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uptime-global.crossknowledge.com
sgp.crossknowledge.com
*.moodle-staging.crossknowledge.com
*.staging.na.crossknowledge.com
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sgp.crossknowledge.com
wobily.noc.cloudi.cloud
*.lms.crossknowledge.com
*.lms.crossknowledge.com
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connect.crossknowledge.com
www.crossknowledge.com
blog.crossknowledge.com
documentation.crossknowledge.com
blog.crossknowledge.com
nextconference.crossknowledge.com
lemtrail.crossknowledge.com
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info.crossknowledge.com
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www-preprod.crossknowledge.com
go.crossknowledge.com
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www-test.crossknowledge.com
status.palmerdonavin.com
www-test.crossknowledge.com
*.k8s.crossknowledge.com
trail.crossknowledge.com
healthstatus.clinicmaster.com
systemstatus.rrc.ca
status.dutchmillerauto.com
connect.crossknowledge.com
healthstatus.clinicmaster.com
www.hub.crossknowledge.com
documentation.crossknowledge.com
*.crossknowledge.com
status.cofh.org
track.crossknowledge.com
healthstatus.clinicmaster.com
blog-preprod.crossknowledge.com
learningwire.crossknowledge.com
www.hub.crossknowledge.com
healthstatus.clinicmaster.com
*.moodle-staging.crossknowledge.com
feeds-status.backatyou.com
site-status.motor.com
*.crossknowledge.com
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info.crossknowledge.com
*.na.crossknowledge.com
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nextconference.crossknowledge.com
sgp.crossknowledge.com
*.na.crossknowledge.com
status-salus-eu.uleeco.com
documentation.crossknowledge.com
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sgp.crossknowledge.com
learningwire.crossknowledge.com
crossknowledge.com
status.crossknowledge.com
*.asia.crossknowledge.com
*.crossknowledge.com
status.palmerdonavin.com
*.crossknowledge.com
status.bairdwarner.com
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
crossknowledge.com
*.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
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www.crossknowledge.com
blog.crossknowledge.com
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Certificate
The complete raw certificate details for crossknowledge.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIDnTCCAySgAwIBAgISBOsWCMM5LeMS51P3hxGePUCSMAoGCCqGSM49BAMDMDIx CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJF MTAeFw0yNDA0MTQxMjI0MTFaFw0yNDA3MTMxMjI0MTBaMB0xGzAZBgNVBAMTEmNy b3Nza25vd2xlZGdlLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABIWnPEQZ ucGeI0k6lJHlhHeGjrNRuabxElJ5ZpUZxPMpNqBjvzKTs2XaTASk5GrOiiP8AIU5 kaZosrizTTYE89SjggItMIICKTAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNnYj/ZW YKziX/cg+skt+DW6ayphMB8GA1UdIwQYMBaAFFrz7Sv8NsI3eblSMOpUb89Vyy6s MFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL2UxLm8ubGVuY3Iu b3JnMCIGCCsGAQUFBzAChhZodHRwOi8vZTEuaS5sZW5jci5vcmcvMDUGA1UdEQQu MCyCEmNyb3Nza25vd2xlZGdlLmNvbYIWc2dwLmNyb3Nza25vd2xlZGdlLmNvbTAT BgNVHSAEDDAKMAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2AEiw 42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjtzHmL8AAAQDAEcwRQIh AJHREOIpBcBAMnMvbcD+SSJgH7S5/DW6EztWYzdfZvqIAiBSS8v051oPfMulHn2G IRTOGYW/+UAillCkaXPLbBd+UAB3ABmYEHEJ8NZSLjCA0p4/ZLuDbijM+Q9Sju7f zko/FrTKAAABjtzHmNEAAAQDAEgwRgIhANXqdEU5Zb+jQ7wyA5KlvmmmerGATlBZ 6iz/ELLwQsy9AiEAxwV0Q1BYGrLzR+9l+hoyeKP2QPDOkvxOhQTTWpE+v0wwCgYI KoZIzj0EAwMDZwAwZAIwNAIljqs4zNLf8Sn0LfxAX3aKQi0bXnrupw3u2HBAqwn9 larrcu/oE9Islp0eN82qAjBMM7/YCShQ0oK4bnyXnye00UunADSab4P8pcGJluvd 98A6o6H+UXOGVrx68pbDFIM= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEhac8RBm5wZ4jSTqUkeWEd4aOs1G5 pvESUnlmlRnE8yk2oGO/MpOzZdpMBKTkas6KI/wAhTmRpmiyuLNNNgTz1A== -----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 428444788467343741244475200743168913784978 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384) . . . . . . . . [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 'E1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-14 12:24:11 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-13 12:24:10 +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 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 000485a73c4419b9c19e23493a9491e58477868eb351b9a6f1125279669519c4f32936a063bf3293b365da4c04a4e46ace8a23fc00853991a668b2b8b34d3604f3d4 . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) d9d88ff65660ace25ff720fac92df835ba6b2a61 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac . . . . . . . . . . . . . . . . [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://e1.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://e1.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 'sgp.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 (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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018edcc798bf000004030047304502210091d110e22905c04032732f6dc0fe4922601fb4b9fc35ba133b5663375f66fa880220524bcbf4e75a0f7ccba51e7d862114ce1985bff940229650a46973cb6c177e500077001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018edcc798d10000040300483046022100d5ea74453965bfa343bc320392a5be69a67ab1804e5059ea2cff10b2f042ccbd022100c705744350581ab2f347ef65fa1a3278a3f640f0ce92fc4e8504d35a913ebf4c . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384) . . . . [c:0|t:3|false] BIT STRING (816 bits) . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:2|false] INTEGER 8004823167363678028205751161094320269531502620168118387866487201972065419730925251871151827924705404100742183636394 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 11728583715059586999728491548599212535988598805944181462713476657748553324639823353037567350887740532178673773778051