classworks.com

Issued by R3

About this certificate

This digital certificate with serial number 04:e1:89:1a:3a:a3:52:07:ba:0b:ca:e2:88:9c:d3:e3:27:e8 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): 04:e1:89:1a:3a:a3:52:07:ba:0b:ca:e2:88:9c:d3:e3:27:e8
Serial Number (int): 425194916708712330859346806653281720543208
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:89:d9:ba:5b:2e:bd:a5:e9:69:4c:39:66:b6:96:a0:9c:35:86:61
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cc:7c:df:d7:9d:1c:35:b2:87:c4:5d:9e:8e:03:ee:fe:96:ef:8d:df
Fingerprint (sha256): ce:ca:04:bf:70:0b:61:a4:68:e8:37:15:53:b7:c4:17:64:fd:89:33:ff:4f:71:d7:fa:2e:79:7c:0a:9e:ac:c9

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAot68EBKbxEyhr2AphKvc
nvBrEEvtHL8ThgKg3eyOAhRYdP2tQDBVxs1MZL6YwXVWRejujmCi/yW95BitqHgm
phd5aLyJ1rYGyJTV5tfdRnBJg4F4SqLe5MadlLUelpiIlMSzIzrSuB47Ktm3AyiF
GvD3WrBuacg3vFhaVNwCbxKdQB3U82LEG/PrCp53QJRT/918+3IXgQiHybkmERyZ
HopkNYXGQh6DGfTDJ7ZD4yGqyAlTv9BvUPdabf+PDhVo7JZ6svvyfSzv1gaxNagL
rJO/jmf7qaNBYq4XiHQXRFktgHoxX1UbyynchtOVB7jHFOPkMe6cNGlbFJ9OafAo
dQIDAQAB
-----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 425194916708712330859346806653281720543208
 . . . . . . . . [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 2023-03-26 18:17:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-24 18:17:33 +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 20560439939335834561269665365676585595841902558065872168333771685383138769776224265788485671245421897365966270887836147971059440607879000292666389372647813370453098542596051741525478014524870512023993797624427781354706276490526686809452095449921475587043807673829501602852264139242466014553202377613199291757615276489469844922305819785878922572690458884561488120652089757006539361696354100769027694285419623807806061821992805089804720323555897586224943028357911654939709767170418481783907786260115617098643724474578786685066196261151259418464039167151358973605126552838239043403305828756404090229672309275445928405109
 . . . . . . . . . . . . . . . . . . . . [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)
							6689d9ba5b2ebda5e9694c3966b696a09c358661
 . . . . . . . . . . . . . . . . [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 (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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001871f5ac4d20000040300473045022100de4868d5632ba5b6532e161cf4f5d0d611d64333e61ded429c12eec5d5bbbf8202207f6b5e285f735aea07073a134f8644686775db89d5b33813d7c433ee73348459007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001871f5ac5010000040300483046022100972559b6785e3ea231958e4053955ddb1c1589ac5ad8ae53117963f5f7b915fd022100d316c5e670ae47c20347f1a6bdb12018e60513d720d639f02b0793678fa2074b
 . . . . [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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