blog.ciachef.edu

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:10:58:13:15:45:58:31:23:fd:f0:ed:be:e1:fd:e5:65:b1 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=blog.ciachef.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:10:58:13:15:45:58:31:23:fd:f0:ed:be:e1:fd:e5:65:b1
Serial Number (int): 354010732746470025738816040402600535090609
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ac:a7:89:8e:a8:ab:4a:7b:e6:d5:32:ce:88:91:e9:7f:5c:e6:97:bf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 87:2b:e7:b1:e4:89:88:08:4d:66:52:9e:a2:12:41:08:28:39:72:9c
Fingerprint (sha256): 9e:1b:b2:78:2b:7c:61:d8:4a:81:db:c9:16:bc:66:27:c8:f0:ac:87:5a:33:16:17:85:a2:5a:b7:d6:8d:05:dc

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate blog.ciachef.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.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

blog.ciachef.edu
www.blog.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 blog.ciachef.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzIfcanXFPnXnyrNoegTV
q4bPDhEMSPwL5ZYa5825+BkpR0Bc7otUB87trPVKLNFNWrIJ70n4pHsr+qZC3XdE
/D7qcJ4FrYD2zQ/7Ygbuh4IuOenoe+0HtFOQ1/ZB63rsed5GwxNJBQDO9X+39Kvf
U1Jlv5w4TR3tIEHYiukfa/iYPzZpJPHOm1KnP26RzwJk42PSwdniHOQ4IhVqPRdZ
FJPxbpS4lzG+I+uttVmFI+ja7FxBNqtJbgJ3HQEdW/eCaZJ0IOOJiSY7uqrR+JQZ
zh5x7gCuFX9mrms7aO+LP/U53VS+v5PZF3kJjENZJSmGIj+DLTHe9w4tOrW+H9R0
HQIDAQAB
-----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 354010732746470025738816040402600535090609
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 07:24:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-28 07:24:56 +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 'blog.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 25819609768863958187250376795807062545782213218631196645019871849372603719362676752110954374863890892850161588178753452242475021497761573579909812387768253684623626062819756527202801105003766085176621843990003213565807604088368571705740935772842739297207844678484330925454728347821481985896467374672110687786506184667238170573297827202353792407422064679408291914956346884776484365289276534091379458288308138060576026186426479401845520225310256116697441904028311027289679552686480136894842069984319741194803713928181670830277007554851502932242679730984840375946909673676030693152087225733331668260949855345319005680669
 . . . . . . . . . . . . . . . . . . . . [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)
							aca7898ea8ab4a7be6d532ce8891e97f5ce697bf
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.ciachef.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blog.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001712a8b2c3a0000040300483046022100fbee85a6b2104d1472069b866d895c9f3ed30e4a1b60028dcfe1508ec1c77c87022100cfe9c6bfe3bf15b98f7fe5f35ed5dc71abd91e73dcc448b61470af0a0beba72e007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001712a8b2c3600000403004730450220617f530fce7170d1f51da2f71ce83b88632a278811a4ce370e4661aed2f8ab9e022100c177e09a4e064f47a7661b0bb0c8459d007e14d81d9591c8bac7274ba988cdb6
 . . . . [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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