classworks.com

Issued by R3

About this certificate

This digital certificate with serial number 04:37:23:78:11:fa:d8:99:fd:79:33:47:6e:c1:85:00:52:d9 was issued on by Let's Encrypt.

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=classworks.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:37:23:78:11:fa:d8:99:fd:79:33:47:6e:c1:85:00:52:d9
Serial Number (int): 367211820327843137127259022746880575558361
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 3b:98:53:0e:82:27:50:ca:50:e2:c6:4d:fd:33:7d:29:db:56:e9:c7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9c:b8:28:f2:aa:80:dd:b0:07:1c:bd:15:22:ce:70:f2:1b:32:17:0e
Fingerprint (sha256): 8c:12:c0:4e:9f:2d:a3:e8:6f:9d:15:10:95:69:c5:9a:8e:50:cd:d0:c9:61:b0:58:0c:ce:04:77:60:f1:80:7e

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

Revocation information

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

Check the revocation status for certificate classworks.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for classworks.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

classworks.com

Other certificates including the domain name classworks.com

(limited to 100 certificates)
*.classworks.com
status.skynetexpress.com
status.skynetexpress.com
smartguide.classworks.com
*.classworks.com
*.classworks.com
smartguide.classworks.com
manager.classworks.com
classworks.com
xostatus.crownpeak.com
content.classworks.com
content.classworks.com
smartguide.classworks.com
xostatus.crownpeak.com
*.classworks.com
status.skynetexpress.com
*.classworks.com
manager2.classworks.com
smartguide.classworks.com
smartguide.classworks.com
*.classworks.com
*.classworks.com
xostatus.crownpeak.com
smartguide.classworks.com
*.classworks.com
classworks.com
*.classworks.com
classworks.com
smartguide.classworks.com
*.classworks.com
classworks.com
xostatus.crownpeak.com
smartguide.classworks.com
status.classworks.com
classworks.com
manager.classworks.com
*.classworks.com
smartguide.classworks.com
*.classworks.com
*.classworks.com
content.classworks.com
*.classworks.com
status.skynetexpress.com
classworks.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA59ZRmdqdWV6maTwOyHYr
S0/cDpdeJwe655JxQlWiqXD+dkYFdW++XveciaGQdqej4zCInHUSnUPLJH7tlrKD
0yhS245L9peKFkzJF5wgr1cw9aS2fg8qQG9utou/MS82/V/kf57Q6v+1nPJAvcFU
6WGI4xYVSYCi3PrpOm19PGCbWBz7L3IZys8/HwLI4uwekjtjpRQm+vmzkYxqRvVq
0FdVCdtTGNRrOFyWe6m4W3n9iEsnkef9/ij3pIdCaGqtqVqUUNN6CIBpT5X7hODC
IQqlA/j4vcus8MBJkaRrvdYaMlV2DD1P10zoORvzyB4dSUdsiuBUWMqlzHtZVDWg
JwIDAQAB
-----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 367211820327843137127259022746880575558361
 . . . . . . . . [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 2024-04-19 23:13:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-18 23:13:51 +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 'classworks.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 29266732963611260402423826138088176861349243903602917886993436009898945721357174035179593069959211000441340467173281442996152060595333673682705853271988005280093207451313507876683814157025565442480417545381190127976012164257519156090393964436842164215099448906857635648123653119860480290029748878291963915271185259182605510447025589864031052782772294975271622748839778302832499027108737758639088940270426265556969659875493476087526934598785857670261526723733245129960741942133000066781475334578529555796022172097771505469188450090572163597774109937205898989889623527797840193802587417456134794136815433783890219999271
 . . . . . . . . . . . . . . . . . . . . [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)
							3b98530e822750ca50e2c64dfd337d29db56e9c7
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'classworks.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ef8da2ef700000403004830460221008ff0e1633eea5dbf8df280ee4c266b084d8c535d8ff46332f585a59293849d90022100d68b8713dac6839cee346e1268689cce22fffe9244941fb9e8ce3ffa4903fde10075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018ef8da2f000000040300463044022067b9e65cb7aee99517fd82e9fd2a1b9f5a829ba7a77c61b84cd6610d1961f9f002202cb361bf078461ec92bb83463bdc847d0b30aa41090e9c824a4ddb0511d99af3
 . . . . [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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