catalog.ciachef.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:4a:47:b4:77:e5:29:62:cb:f9:07:54:2e:65:9b:95:c4:46 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=catalog.ciachef.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4a:47:b4:77:e5:29:62:cb:f9:07:54:2e:65:9b:95:c4:46
Serial Number (int): 286613065180328251905793199783251205801030
Serial Number lenght: 138 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): 02:12:98:c5:7d:cd:06:3a:a1:65:e3:98:76:e7:cb:6f:63:1d:35:34
Fingerprint (sha256): 61:0d:51:d9:da:8f:04:50:04:02:17:e6:0d:6b:26:d3:24:26:7c:d0:d6:54:1b:b3:b1:bd:4d:a2:b6:76:ed:24

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

Revocation information

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

Check the revocation status for certificate catalog.ciachef.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for catalog.ciachef.edu

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

catalog.ciachef.edu

Other certificates including the domain name ciachef.edu

(limited to 100 certificates)
blog.ciachef.edu
info.ciachef.edu
info.ciachef.edu
blog.ciachef.edu
apply.ciachef.edu
info.ciachef.edu
blog.ciachef.edu
SECURE.CIACHEF.EDU
blog.ciachef.edu
info.ciachef.edu
catalog.ciachef.edu
learn.ciachef.edu
apply.ciachef.edu
SECURE.CIACHEF.EDU
*.ciachef.edu
learn.ciachef.edu
blog.ciachef.edu
learn.ciachef.edu
learn.ciachef.edu
blog.ciachef.edu
learn.ciachef.edu
learn.ciachef.edu
info.ciachef.edu
www.ciachef.edu
blog.ciachef.edu
*.ciachef.edu
catalog.ciachef.edu
www.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
info.ciachef.edu
apply.ciachef.edu
blog.ciachef.edu
catalog.ciachef.edu
info.ciachef.edu
*.ciachef.edu
blog.ciachef.edu
*.ciachef.edu
apply.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
learn.ciachef.edu
blog.ciachef.edu
info.ciachef.edu
www.ciachef.edu
*.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
*.ciachef.edu
info.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
blog.ciachef.edu
*.ciachef.edu
blog.ciachef.edu
info.ciachef.edu
catalog.ciachef.edu
blog.ciachef.edu
apply.ciachef.edu
learn.ciachef.edu
blog.ciachef.edu

Certificate

The complete raw certificate details for catalog.ciachef.edu 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 286613065180328251905793199783251205801030
 . . . . . . . . [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 2023-01-08 15:53:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-08 15:53:56 +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 'catalog.ciachef.edu'
 . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'catalog.ciachef.edu'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185924d98f8000004030047304502206578ceb527f71deb2c33f2b5bca2a1404745ea77c3fa7131c6f0b93817aacee3022100e0f38ab83ddcc93438e07ca9c5cce20bdf195dd53fd851827af546eb252f04650076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000185924d9b03000004030047304502207a90fe66074bdff9222f26e20e4c05b45480705759d7c5a02fddc06acb8720ba022100f31bdb33dcb81cea306e743ca7062d587ee3f95efd3c7d1f0f77135aeac33108
 . . . . [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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