blog.partnerhero.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f0:8a:dc:52:2c:a7:51:7c:f6:f3:b3:d4:4f:1b:8a:af:4b 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=blog.partnerhero.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f0:8a:dc:52:2c:a7:51:7c:f6:f3:b3:d4:4f:1b:8a:af:4b
Serial Number (int): 343189203291728576383445668934741035495243
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cf:ba:5b:d1:f9:6a:19:8e:ff:a7:ae:1a:35:05:cf:43:1c:c6:95:02
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ea:62:10:67:5c:16:af:9b:1e:eb:87:42:46:f8:31:64:2b:63:40:13
Fingerprint (sha256): 3d:4f:e0:0b:c3:87:63:73:ba:92:3f:6a:04:b0:7b:f2:f1:49:57:c5:37:1b:a4:89:bc:b6:6c:7f:b9:eb:04:71

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate blog.partnerhero.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.partnerhero.com

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

blog.partnerhero.com

Other certificates including the domain name partnerhero.com

(limited to 100 certificates)
xn--helsephjul-65a.no
dashboard-test.rtm.vnlp.ai
company.ensvee.com
form.partnerhero.com
learn.partnerhero.com
ideas.partnerhero.com
www.kiwicampus.com
auth.crisscrossmobile.app
until.countdowndays.date
www.kiwicampus.com
www.leadlizard.io
blog.partnerhero.com
www.tafadzwamhizha.com
www.musicteachingapp.com
kdnl.in
helpcenter.partnerhero.com
www.xn--comesaapropiedades-s0b.com.ar
stugan.islandboy.com.au
www.kiwicampus.com
www.kiwicampus.com
blog.partnerhero.com
www.stokedtobesober.com
lost-in-illustration.app
partnerhero.com
presale.bancambios.exchange
partnerhero.com
blog.partnerhero.com
www.wokwi.com
support.partnerhero.com
elibrary.partnerhero.com
developers.thehaystackapp.com
staffjoy.partnerhero.com
api.partnerhero.com
mjbsibal.xyz
autotune.diabase.app
partnerhero.com
www.kiwicampus.com
www.kiwicampus.com
blog.partnerhero.com
www.npiapi.com
staffjoy.partnerhero.com
www.losfogueterostenerife.com
woodmanchinesefood.ca
www.kiwicampus.com
blog.partnerhero.com
autokit.com
actblue.partnerhero.com
www.esteticavive.com
www.kiwicampus.com
hustlr.in
dl.opass.app
meet.partnerhero.com
ulo.com.ar
www.kiwicampus.com
www.andrecanuto.com
we-qa.bop-tech.com
api.partnerhero.com
thoughtworks.ebarun.com
partnerhero.com
www.partnerhero.com
partnerhero.com
billing.rambox.app
auth.partnerhero.com
meet.partnerhero.com
auth.dev.ueq.app
partnerhero.com
situs.rajawali.cloud
www.partnerhero.com
*.partnerhero.com
www.wokwi.com
planthis.pl
blog.partnerhero.com
www.atusweb.xyz
staffjoy.partnerhero.com
v3.partnerhero.com
www.kiwicampus.com
cantoral.jefteapps.com
devdocs.trust.miracl.cloud
www.kiwicampus.com
brayancore.com
contentwritinginterview.ilahitechnologies.com
auth.dev.ueq.app
www.gcchemicals.in
www.portstack.in
*.partnerhero.com
partnerhero.com
www.adelco-networking.com
tt.xn--9d0bm3su1cmz8a.com
partnerhero.com
gblog.partnerhero.com
institutes.education.muqadar.com
servicios-al-contribuyente.xn--adianteappsmxico-mqb.com
www.axedelivery.com.br
brain-store.elrego.com
presale.bancambios.exchange
decoded.partnerhero.com
helpcenter.partnerhero.com
blog.partnerhero.com
xn--m6t16n0udb18a.com
www.kiwicampus.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/h69dCIeaCMGrcQWuGZ2
rd2/IWCF/TrxsOG9h43RZ4lLWpqhCA2ld9lbpb3/YYeIXm3M9pbO/jYATxUVNhDp
I6Opx1oH6DHRjphW/iH0DIyT9rqDuip3ChKON57/hQV6Yw2YdtdcunT2hgpRy/Kg
O/DBoVDIsrqBtEgkIicYtgf07UYHdKxXUu9r3QT9ZXp+ozL2cLYhU1RkF8eOsZUi
f268kmqkpXMcTud1085bRwHKUPdT4C0H4kqhSP/2Seq5PbWepFGEaXBxJcgdZoK5
+U4MUcdAxScwdNSFGcBvNJoQjZeAn93DtVsAt85aYmfIs6ObFwLtzRb+BuQng0/7
vQIDAQAB
-----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 343189203291728576383445668934741035495243
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-02 04:01:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-10-31 04:01:00 +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 'blog.partnerhero.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 32079687946627164748090476702455782780389903809068605335385612409574407029399395884182328479499081814486186023031315801935631954770831909610753460245494312946342064068187502735218581151884692305685226946135041492889200417524210198317072110141202392941491280470863129851380962773741151404629822307995843820698135103224920209767476709419786628808665662732986388662091539446428584822404805414237147979672638499432459051859306663195926423118861216078098283326462805358403089932588837270665973313781397598768107830687133263966575832133536377341871603489313530608579999027858194987319488711256596210286576021380140933053373
 . . . . . . . . . . . . . . . . . . . . [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)
							cfba5bd1f96a198effa7ae1a3505cf431cc69502
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.partnerhero.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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