www.renzo.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:48:bf:c2:d6:32:45:7a:f8:44:29:78:d9:f6:47:b7:79:96 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=www.renzo.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:48:bf:c2:d6:32:45:7a:f8:44:29:78:d9:f6:47:b7:79:96
Serial Number (int): 286092082410792350431721840433065820125590
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 69:d9:b6:83:46:4a:e6:a1:ff:78:cc:18:11:5c:81:be:65:7d:0f:c9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a4:88:9c:fe:4c:a1:c3:c9:6b:75:d8:b8:ea:06:02:a5:63:9b:e4:0f
Fingerprint (sha256): 3c:f4:44:3c:a6:8d:54:54:31:9c:b9:2b:f2:24:ac:74:10:eb:e7:09:92:29:01:dc:00:b8:f4:00:9a:7d:ea:c3

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 www.renzo.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.renzo.co

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

www.renzo.co

Other certificates including the domain name renzo.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.renzo.co 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 286092082410792350431721840433065820125590
 . . . . . . . . [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 2019-05-28 16:10:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 16:10:07 +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 'www.renzo.co'
 . . . . . . . . [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 711863219960360256776128955684742501471632426559027291174687052574232654774216776958512820728933663447025780223991561338779128448226086509340705644741000602274575595540871537288448728700563602428853712352502029618385728041445612592710607908816957071987776300097619069755155991008828893041344325067652791402359520801311742587928379893514503684622370132734720029449783788237228210416572737654515829687140681744809865366594095484467424640995047463428676694384933003756014625893492427858492235660200386369352265090778961754317193144778932349179717725658379497586485567016854014996119746841804444702475359655350627186112346537524109411357714190946110293513174202797087939009818911896251956720955141237115657455507196201043853476712158797710787440974144140534609603305483999970738274934529964606910244246292606083125422012637139534327422666947040824924292724492277418392817862696577455815359678970827544344568182897039692123312044168931719170161942306098725347370885324050393452234235497363022152518288100561786842086936843143219775971486890403149843858261164553499262235895169284126124879303493765956550809223150956468329657262418093413259439715599889898006062247672123411920563639853844866645178413469287000301995048152957199619864792951
 . . . . . . . . . . . . . . . . . . . . [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)
							69d9b683464ae6a1ff78cc18115c81be657d0fc9
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.renzo.co'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aff6bacf3000004030047304502210085a0c738c3bc4f23e9886b2e35963ba36e098d45c4c2f55e71d4be5aa449bc2f02203e06e105ccc23cad5933a5fa3805d117a0a8851f41fd5b1fb35bddbb9383a22900750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aff6baeec0000040300463044022035ce98dcb99750c9660065f12578ef8aa93fc14c972f97b8068360202e23117002206e31b8f3884ff26a0a22045cdd718266a757f5c598ba41d293477fff49a71421
 . . . . [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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