k9chefs.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a9:48:f7:88:01:40:23:04:e9:c5:51:35:ae:8a:dc:51:c5 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:
  • 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=k9chefs.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a9:48:f7:88:01:40:23:04:e9:c5:51:35:ae:8a:dc:51:c5
Serial Number (int): 318941567476446695945830798400514797883845
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7b:ed:ed:14:29:0f:b7:f8:9b:cb:66:9f:21:97:00:4b:e2:69:4f:fa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e2:81:47:a1:30:9b:9e:17:95:4f:07:91:b5:d4:ea:14:66:b8:f3:3c
Fingerprint (sha256): 3a:85:e3:4d:ca:79:0a:7c:31:51:cf:d0:9e:a4:0a:15:9d:31:2b:1a:5f:5d:b9:e7:a7:28:72:62:d9:f2:6e:d3

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

Revocation information

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

Check the revocation status for certificate k9chefs.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for k9chefs.com

Public Key Algorithm

RSA

Key Size

4096

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

k9chefs.com
www.k9chefs.com

Other certificates including the domain name k9chefs.com

(limited to 100 certificates)
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www.henrycort.com
www.regenerationdoctors.com

Certificate

The complete raw certificate details for k9chefs.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArLZf4jUPYQqonqEArvle
ffJizVL4+UH1zqupmfzpdb/Xmzj9PEcDKmm+AUTVp1ZVpbVA9bPX7lhlDJAag6ej
hFW1OSj7l4bHf+G4HmFmeDc2LM9xhZC71HEcpSQU0ouJPNp+XDgp50XtFHmAKLRb
XvENbfu/f4EhtU42beOTMR/iA4OiLwh+UzPoRGLkUTUo+hPIUA05X7cei2YPPpDd
nY5NzfEleMagOYdeuZZP4DvH/E4DEjmwgUeDLGt03A8gt4SPBkeEtbDQYnhzUICl
5aS31xQ+UgBUaMA3Z1E/dcNrNkEe3SPNBdv+qOmblls+nV6qQKydgv+RA4wKe/mS
8M+jIICRRI5ROV8OeIm7I0zFAb69aJ+e4BhI8UO7BGXIIQRdiYEJhwYProU0uS3M
xVsy2jroJrryn3u/Q3kjSZFwum23MR9yH5V1r7oepOaAbtGnlQkEPwFA02HxSH89
ycgB5L9O/4vkv9tHBg4XyGwLsKrrE1+cJhFrqMusnze20QuA9+jPMXLvG6T80TIo
AYbFBKjapZA4xtATMT8ASC9G2rOowmgNzsUAQnTAlBWCCQrP4wwV/oTbPzBsNDKF
FomJsMdoamcK/1JE0VcnbZkoTMLhNrL76DQttDKExyYnqXYNekWuoE31froJmDmQ
yfDODjxj8ncz8CjDZr2bFIcCAwEAAQ==
-----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 318941567476446695945830798400514797883845
 . . . . . . . . [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 2024-02-20 19:04:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-20 19:04:39 +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 'k9chefs.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 704605120450613067681881234803420123578236448066509103573716060245304804111416422638175518638310655790572187696116494667046858314138919846830903561782174419843950712375527075013056400637683632549637967987240739181478941151676334001584764492682744175664207802708263746432623555112155915830442862304044110492726985504198474254372103957962903554057070791597270981568234611624969287609940804601137724196407487869808120042605220557526755769714079602641427012021058387388292826446386617896955338986089156882361325130831482495239776121119591761171034527191484347634839164016040635124398391256790182971576460862831241742337745193316803603544512095479159094530316379807064905423597840399279050399336912720706605268336002171097284332920464940353090307024927800547237267509821779333453896069093548601506003108410634629788676042463182796900811724030758079656204984256847942063708852205484347116028733017542556116501563830606393683199873002855383933369659242589893764898818982981193246894757085283406858054542517253945591227585949213670843867781310868225137225399955844218785938303552538073262012355148453644288005058653407789383592380713108067918372496249790248192580329363918444015472805461283937552091244260968396124549398209471061109499434119
 . . . . . . . . . . . . . . . . . . . . [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)
							7beded14290fb7f89bcb669f2197004be2694ffa
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'k9chefs.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.k9chefs.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dc81ed6ff0000040300483046022100cbb0f4c782217575a4b5f7d0c7c7ea38204c309106c80f6fbfce825df4d01c95022100b42da513f52e8f68856912bb0a869a37e12659e67d98bb4413c005f906e96363007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dc81ed8650000040300473045022059d670aecdb1d30253e0078c44bb79593fdaba1024adfbee71ad4080de1a7205022100be8dcd8b0c9ed290cbcd81690eddaaa4dd50afb23ab181fcfb2dac1b917a04e1
 . . . . [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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