kustomer.org

Issued by R3

About this certificate

This digital certificate with serial number 04:91:9e:81:5a:50:06:b9:6b:05:99:90:2f:94:8d:81:fb:6b 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=kustomer.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:91:9e:81:5a:50:06:b9:6b:05:99:90:2f:94:8d:81:fb:6b
Serial Number (int): 398000776591963029885891352760853714828139
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 16:95:9d:3b:05:3e:db:a2:ef:23:d6:c8:a6:29:f9:00:be:91:fb:57
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1e:86:4e:cc:f4:aa:09:bf:d7:2f:a4:39:e1:27:24:9a:5e:89:c2:2d
Fingerprint (sha256): 56:a3:67:7b:d4:bd:55:d3:df:3e:e5:49:c3:82:30:84:da:73:bf:9a:58:fe:6b:fb:fb:bd:7d:8e:34:24:4a:df

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

Revocation information

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

Check the revocation status for certificate kustomer.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kustomer.org

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

kustomer.org
www.kustomer.org

Other certificates including the domain name kustomer.org

(limited to 100 certificates)
kustomer.org
kustomer.org
kustomer.org
kustomer.org
kustomer.org
onecloudmanagement.cloud
kustomer.org
kustomer.org

Certificate

The complete raw certificate details for kustomer.org 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 398000776591963029885891352760853714828139
 . . . . . . . . [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 2023-12-08 17:03:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-07 17:03:39 +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 'kustomer.org'
 . . . . . . . . [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 856839193948310895704902453214142277212414973352797853677048587028889536634841304912539180656552584384123451781932689619937945853616624968515389204575743324208334929132789173364509442509864211285669463192549221341199355085881966729068943212886680415622912140351053637881231640569045716172165122660275970304218970081045569184033346196778803116371254925464949792562197908012948610635521724465581963114854231825231260678336079765539416178011712250496702486157787741847552013152828033660828030118925343268608361185767698872192001607765952182422479319534808751262061895919396500349572552688864896139994161065371363215308238804944083112159380750960459568417040220137706703329791088865494871484875746392672734473209993447603831618262602036747712347141084922363223763930293056260264817985600035894518264410017583203650342361035918635407338332165268462865521384472105095590830197516038430456253518989358654691660200219481025362509361822309313536950249606147635138812402960211913009167841734620788520961943850611079882697207642993929907066605818977134180994943755553207367007530822874795131266845224253144331890746087302975430872758531120363297052787391150744633078640422848176652756829567249733647703193898940109396024380493588698979741124093
 . . . . . . . . . . . . . . . . . . . . [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)
							16959d3b053edba2ef23d6c8a629f900be91fb57
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kustomer.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kustomer.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c4a9977910000040300483046022100bf3bd8df4ef61d629da8cd3419e269d37fff99d9b239fdc2050283bad2d0b8f7022100d34877f5cdea5d0d97c9a93589aa2c26b068fb1d2115394ad81e67004645c3e300760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c4a9977d70000040300473045022100a96a6fe1b5eb610138a18d6b1c4ea52a367f5918f04966841fd430178154ed4f02205bd402add01f3b7ee5dedada1ef39bcba4c0499ea97fc250c83b1f11ba38491d
 . . . . [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)
		00a7a181425c102981985d73c881a6ceadb6a7513364194b0396bd8e7ebbf80378f2f38e12492566ccd36ca1cfc39fce57cbb67c774e4d4ef8a3f8a0520379840f0f7c3e68df6b62c2c3a48a4080d771bd4a6b2375564a77c637eec392aea901c1d0c39907ce6881e86c824614fa1193fa6429c9dd1119363609fce3a3436c3e7d645214910331a954332f55d5801b9d41f290b496b282e64403842272c2f4c401fb82efbc9f0a535c270668b0c5b6a586a43a82fe426d33111bd1bcfc3214a71a28224518041cc7a3b298e667eaad7fca39778421e27f5fc5345c09d6e0fa68306c0112160a6653b95b0f8067f299680cadc2a2e33d7a3b79ea4100a1a0f028a8