classworks.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d8:69:c6:a4:e7:7b:26:7f:f5:07:e3:49:4c:40:99:b6:ff 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=classworks.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d8:69:c6:a4:e7:7b:26:7f:f5:07:e3:49:4c:40:99:b6:ff
Serial Number (int): 334978449409193847849804708804355803428607
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e8:e1:de:a0:e0:ef:f6:2b:f1:a8:1e:36:51:81:3c:b9:fc:98:39:fd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a8:86:5f:b1:67:cb:c0:b9:1b:26:ac:f2:cb:dc:67:0c:d6:59:5c:24
Fingerprint (sha256): 32:0b:d2:85:19:f5:e4:a2:db:1e:1e:52:60:b9:09:b6:af:81:71:58:9c:23:8e:ad:1b:8d:3d:da:90:74:e2:a6

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmoHYpYLUPkBfvBoKFjTW
6aei84xrCgTUeojo7kK90SACynnUYIAER9ZAOn2/fGiQ/QVvFu5AQ3UG5hxLFLol
okjIuSFSEoLB1QmKkb5uszisEv52bNIoeWVtklu8eMUL4VzcjkGpYVLwx2SAn2Wr
uYcUxEyuFv4SqD7O7ardSEZAUdRb/x+ntvyA3Kbztbz242X1jdWqTVxepAtVN5YG
4JW8Xk7w2a4fhdQbB/a30Mtp1c6iNdVl6gt6ODhYD8f3dwV4wEwbwlWt/JwhHuvW
r0loUoBb6cGA9lneXWd+cPjyzx7bia6RfQaFz0qDa9EWotopKYUxXBwbAc5/4gNS
twIDAQAB
-----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 334978449409193847849804708804355803428607
 . . . . . . . . [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 2023-08-29 20:10:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-27 20:10:18 +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 19504728549636506882390988122188132714718682218929473457970937889778333192409932245434817924846525855173723136727346896503692903356677572461341561896814302406002513189129655726711009995623981254010751552587026325026405416524378402495891430882328094216524330999041127901474197687078023521217474227253263624762832610321360592506315035792769786184759586037303258401730679126468838367055767386545536104711704818368249815861174800385675300064808836722263646605064533340480519178662013478843622641465073154192087730818464971516931057000408211059314921669578104990467914915504489012654919035003852838399491116080295653364407
 . . . . . . . . . . . . . . . . . . . . [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)
							e8e1dea0e0eff62bf1a81e3651813cb9fc9839fd
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a43220bda000004030046304402203448170fe22bf69f08a692b001b54bc5d39613fb5024b0e956dc553077c6c2c002205307981761cc7fa5f85a738d3b63c6f83be95a4f1fea693ef668ce7012ab3a45007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a43220c280000040300463044022055e614ef69beb66f44b9fd5a00ab20f07b6edac9c159caf2d393b4c16e94f98102201d01d42ee34a6b5c0bb88d89ad3abcc1131216a5a7085fa9aa6a7d5f24111659
 . . . . [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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