kneesup.com

Issued by R3

About this certificate

This digital certificate with serial number 04:70:16:fb:67:a3:ec:14:97:81:a6:47:51:66:d0:f0:48:88 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:
  • 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=kneesup.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:70:16:fb:67:a3:ec:14:97:81:a6:47:51:66:d0:f0:48:88
Serial Number (int): 386591317206680297907582519909171214698632
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 23:55:d0:54:33:e8:37:03:2d:3e:3d:ab:c2:25:ac:e9:13:af:72:05
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0f:1f:ef:71:b7:e2:b1:fa:8b:cb:37:4b:5f:b5:6f:65:e3:e0:eb:38
Fingerprint (sha256): be:e4:28:af:c4:c1:1d:9c:f5:b2:3b:13:4d:bb:12:d6:6b:2b:05:f0:57:4e:31:bf:b2:af:2e:31:5c:23:e6:9d

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

Revocation information

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

Check the revocation status for certificate kneesup.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kneesup.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

kneesup.com

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www.kneesup.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 386591317206680297907582519909171214698632
 . . . . . . . . [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 2024-01-21 19:14:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-20 19:14:09 +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 'kneesup.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 888519656454434554166032194395767470481804257376035702623163659685968504181847182744484580990729995514146789738490368332068395737831367997813163538175608436298558996055462413897901956857465661111256590825471086659427938996298528420118136570280521501242643837595480865748695851003965372157443884636420635525508241534853086808441490343272672735552292091166545807974744976011426403509083995122408621315418211313415667867163150132133536518767738820729436531862285118079292201541977806782160164347371410222048456456654732885915725781148053599053373698975597585095002853935923847772242236454653238544863974189681338054864252414448953213114011299378318113162066994901371578137773823719159650027435895355992088455580426417404508089801748181043194647199416680065519039818369684321908565716136384115841784161289936061184611772632213711133529730218697292093182571390399686636770749283406074250846390788342546283810803692354265432568827416786943668808902030767751612857263351788529977002771171920931685276842455233612988651891050231403652105548293351685434197081113710780228603023411061212418043828316654932151010585896899874285416406294878076235856337615370646848757228451765639851299088298303914770788349743317096002227698853478093650829620193
 . . . . . . . . . . . . . . . . . . . . [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)
							2355d05433e837032d3e3dabc225ace913af7205
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kneesup.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d2da8c19800000403004830460221009a8fcf648f9de41496a034a09cab8b21396b4c37068b3ab7a584a7913d2c131002210087a6cf5a51590ae6f394940a82079438bbdbee9bd8f46513229aaf3015e452e2007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d2da8c19a0000040300483046022100deb1c233606bb200974d26883826e81fd09fd81712fcbc269079aa50a3550cd30221008a81fdee18f53d0d634f0505fb9cfdc75a9e934db48ce796e96e7bc20bfa0f41
 . . . . [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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