kustomer.org

Issued by R3

About this certificate

This digital certificate with serial number 04:9a:71:f9:d4:16:af:a8:ce:cc:b7:4c:e2:bb:59:a6:cc:5e 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): 04:9a:71:f9:d4:16:af:a8:ce:cc:b7:4c:e2:bb:59:a6:cc:5e
Serial Number (int): 401004128179975200127881137237909158939742
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9f:72:98:fd:81:66:8b:a9:b4:1d:ec:35:0a:a2:e9:22:2f:af:b5:4e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 52:2b:c2:d6:92:4d:e3:8d:a4:ca:be:74:78:12:38:83:26:89:74:93
Fingerprint (sha256): 2b:26:93:c6:88:41:66:fd:88:02:15:d9:b0:c7:60:fa:ad:d0:db:1d:e6:4e:26:34:d5:51:41:ac:b9:fd:f7:68

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 401004128179975200127881137237909158939742
 . . . . . . . . [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 2024-02-07 15:03:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-07 15:03:34 +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 863809237716201354755607588548584431274601145238000284922991488301058918135470667134390126174782323957702004527016833691229088374196534228172241836799443518242693742469230927350838045893371815454212793355403873948534707152750525187400741948379773611590121135942019660020476202692203944219786387498922312804020681197975816971804575194648507595619838398122167312609203177258100785584299241847407424282881813115313175578568712494883666812628113205478878942934005479500567400637309711868435786288747116100342789663083254889796503685802767533312908002286634825610214199529623294462454848664011732241230532389995050571050571041213437136908753186226325547493557914571033046246463877982256906719524018518496874353580823381722989618792447912732275183799519493039594459605879071586625371442257000476719562795840306198078691365729278191680150486128614907246158644468024735007208890441376858931469984162293134014982763750107036697981377946513171477595730874613069335277648979235119608619048268105760803582390822025986515347133155980398968858741455619265704890052308944724066074862269251435649424751488473834206506914660864926127347463421235005601549122741177282012705423579017117678655358026463870338729464237181234929273782847095777366295249327
 . . . . . . . . . . . . . . . . . . . . [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)
							9f7298fd81668ba9b41dec350aa2e9222fafb54e
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d844f7563000004030046304402204f6d380bb48bd37f3a81ab333c4c6fd424dbace91bc801f1658dbe26c8da27200220492e989600ef61a86821e6ce53735ba0b7963f341fc2aa478385776302ca385b00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d844f75c00000040300483046022100e25288ef8d210d6a5a8ff17584eac91fa290a13004e870bd95efc8909b3f7c29022100c890d0796c80b856e64d0044036b4672bd3f5e5a8a98ff70c72a084260e69f49
 . . . . [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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