klr.co.za

Issued by R3

About this certificate

This digital certificate with serial number 03:15:19:c4:51:9c:17:ff:65:95:9a:f2:02:5b:97:2d:aa:d4 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=klr.co.za

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:15:19:c4:51:9c:17:ff:65:95:9a:f2:02:5b:97:2d:aa:d4
Serial Number (int): 268517037545941541554679530714628581337812
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 89:3c:ec:07:93:bb:a4:24:5b:ef:1c:be:9f:d6:72:6d:08:a5:b6:2b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2b:89:b7:46:9a:a1:dd:24:9d:34:61:ee:b3:40:f3:a4:58:f6:50:56
Fingerprint (sha256): c7:9d:36:ea:35:7f:d0:1b:2e:85:3e:ff:0b:24:21:b5:15:73:62:63:25:0e:36:66:c9:a2:12:0c:b6:28:0b:aa

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

Revocation information

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

Check the revocation status for certificate klr.co.za

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klr.co.za

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

klr.co.za
www.klr.co.za

Other certificates including the domain name klr.co.za

(limited to 100 certificates)
support.bmt.ky
support.bmt.ky
support.klr.co.za
klr.co.za
klr.co.za
support.bmt.ky
klr.co.za
help.productionsoft.com
support.bmt.ky
support.bmt.ky
klr.co.za
klr.co.za
support.bmt.ky
support.bmt.ky
klr.co.za
klr.co.za

Certificate

The complete raw certificate details for klr.co.za in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwwmvFvTRe5+hdGUZQqcW
8xx3L7eAXKmz5gQnMLTmohbFMMyYTJVAiBCDPkIkRxApUZ9s6nhX30ouWJ6Y/lYE
IdsKmxp/Susf8ytZyro1WVOjbzQLT7k5dUq1hFNKqQrTaO8DdVh0Ni2eMatBgieo
lae/fVETNAqQsQ3yZxCYXKbzetsLy+ti0Zg4JBAk92t93lFJ1CqaQWSAzUnoj26L
QwMVI+HAWaDU1D1DnfO7pGGkyLPuHdKxGm90wJidnV0C7DaOerF22Zf5fTlCZIs8
6FSlQX/RMWs12MFsmOLUOZ5s0fgg4aWw7ekvFRUEwtH/bgCuZtcHt77TMpvavqRJ
cwIDAQAB
-----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 268517037545941541554679530714628581337812
 . . . . . . . . [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 2023-08-28 09:05:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-26 09:05:00 +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 'klr.co.za'
 . . . . . . . . [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 24621244799164434242188362099620713957381968167583740474654599700349597661484031024022464213671866174286562837746959877336776431239935302150280424391039621649474976736959433332198422189685328375936079125400928543640484237483292428744716365014226736545669202439447250935653865731195007441017992232149687772978232814836507371033015972969932647287367838991750059416249273888039685447732836595286580386890016884129899521609383791738971699936042677961328909614256490558413742159179175977591343796162153004091006881779776398835666917302711367163443629002132696387982901377265928041311662765413870966097760290335061476395379
 . . . . . . . . . . . . . . . . . . . . [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)
							893cec0793bba4245bef1cbe9fd6726d08a5b62b
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klr.co.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klr.co.za'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a3b9a97880000040300473045022100db9755876e0e7d47652482d4769f426955bc1cab4c1afd8e80cdc064fc67642a022040e587e08f3e226def668d4d48c11bbf98a2c410ff36322ad69394f71651a3880076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a3b9a97950000040300473045022100a50e97227a643856e1c8ee875a934974d3a5eb82ec121085938795c64c9269a902207cb8f1145d07c09bce22f8e0930c1d7fb3d2a8360d70bab462a368db0785f7dd
 . . . . [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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