centauri.co.ke

Issued by E1

About this certificate

This digital certificate with serial number 04:b2:79:68:ca:0a:20:d6:31:b3:ef:ca:8e:6a:c2:3f:7a:eb 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=centauri.co.ke

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b2:79:68:ca:0a:20:d6:31:b3:ef:ca:8e:6a:c2:3f:7a:eb
Serial Number (int): 409180785723180479553605959174336492305131
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8c:29:56:6e:1e:1f:94:5b:04:cb:0f:1b:fd:21:ff:2b:4c:78:4c:dd
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): 38:e6:1a:e6:4d:8f:51:83:69:05:a4:60:87:e4:71:bd:a9:5e:76:bf
Fingerprint (sha256): 30:2a:e9:7e:b2:f6:60:d7:97:0f:fb:1b:7d:7e:e7:d2:9e:eb:6d:03:c6:a2:8a:08:4b:1a:1a:e8:c2:bf:9d:da

Issuing Certificate URL: http://e1.i.lencr.org/

Revocation information

OCSP Server: http://e1.o.lencr.org

Check the revocation status for certificate centauri.co.ke

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for centauri.co.ke

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

Key Usage

Digital Signature

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

*.centauri.co.ke
centauri.co.ke

Other certificates including the domain name centauri.co.ke

(limited to 100 certificates)
technique.aa87.org
axis.inflowtechnologies.in
support.studyvillage.org
support.externaliz-it.be
support.techextensor.com
support.yourextendedstudio.com
support.sondercreative.ca
helpdesk.sli.co
helpdesk.sli.co
helpdesk.sli.co
helpdesk.capula.com
suporte.oficinaintegrada.com.br
support.studyvillage.org
support.studyvillage.org
support.kiusys.com
support.therevapp.com
support.studyvillage.org
help.ssdweb.in
care.mrpandawebdesign.com
support.studyvillage.org
support.centauri.co.ke
support.studyvillage.org
help.popecounty.us
support.studyvillage.org
support.jaxsta.com
support.imgmt.group
centauri.co.ke
support.studyvillage.org
support.studyvillage.org
soportemexico.ieducando.com
support.studyvillage.org
support.studyvillage.org
suporte.oficinaintegrada.com.br
helpdesk.mycliniconthego.com
soporte.moxy-it.com
support.studyvillage.org
help.ssdweb.in
care.mrpandawebdesign.com
assistenza.adviva.it
support.centauri.co.ke
helpdesk.capula.com
support.jlbflorida.com
support.studyvillage.org
support.studyvillage.org
support.therevapp.com
support.studyvillage.org
helpdesk.mycliniconthego.com
support.yourextendedstudio.com
helpdesk.capula.com
centauri.co.ke
support.coachwares.com
technique.aa87.org
support.studyvillage.org
care.mrpandawebdesign.com
support.kiusys.com
support.studyvillage.org
help.ssdweb.in
helpdesk.capula.com
support.techextensor.com
helpdesk.go365.com.au
support.studyvillage.org
support.kiusys.com
support.centauri.co.ke
support.studyvillage.org
support.coachwares.com
support.studyvillage.org
suporte.oficinaintegrada.com.br
support.studyvillage.org
support.jlbflorida.com
soportemexico.ieducando.com
assistenza.adviva.it
support.sondercreative.ca
support.studyvillage.org
support.studyvillage.org
support.studyvillage.org
support.imgmt.group
support.studyvillage.org
support.studyvillage.org
support.coachwares.com
support.sondercreative.ca
soporte.moxy-it.com
support.techextensor.com
support.therevapp.com
support.granthampoole.com
support.techextensor.com
help.popecounty.us
support.sondercreative.ca
axis.inflowtechnologies.in
support.studyvillage.org
support.studyvillage.org
support.studyvillage.org
support.studyvillage.org
soporte.moxy-it.com
support.studyvillage.org
support.externaliz-it.be
assistenza.adviva.it
support.granthampoole.com
assistenza.adviva.it
support.yourextendedstudio.com
support.studyvillage.org

Certificate

The complete raw certificate details for centauri.co.ke in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEQpS4Kdr09/HJ1M832P7tluYg8lm1
tGO4I9d8mS+AAdq47UYamdC2fM5bk+Tv4ve+86J2y396sOyxAuckdW6YYw==
-----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 409180785723180479553605959174336492305131
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'E1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-11 11:49:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-10 11:49:02 +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 'centauri.co.ke'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00044294b829daf4f7f1c9d4cf37d8feed96e620f259b5b463b823d77c992f8001dab8ed461a99d0b67cce5b93e4efe2f7bef3a276cb7f7ab0ecb102e724756e9863
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							8c29566e1e1f945b04cb0f1bfd21ff2b4c784cdd
 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac
 . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.centauri.co.ke'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centauri.co.ke'
 . . . . . . . . . . . . . . . . [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)
							00f00075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a8449ccfd0000040300463044022100d36d8dba0bc2fb63ba08af4beaa744ed2e80d5017476d88d041cf85793c337a8021f3c1cdc4d4e172f7ef70d30d481e273a13603f2ecd8fa64440bec2f7a70153a007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a8449cd1000000403004830460221008af96dcbef596252c6d908caad15b6661ceaa93c1a286457de73b859126fcb4b022100ee65a508b8466b5a054573d0fe404f162d89b99fdf2c83daf1b2f9dcafb0499c
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (824 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 1312410058699455683939400966624106475058975025900934776396481659466307040099119149708484978248986507334731949824259
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29583955734394052235758321901547807340383274996882091998133180110179283145383348968636802360897247800570292467440119