devfestcerrado.com.br

Issued by R3

About this certificate

This digital certificate with serial number 03:07:69:4e:99:c4:54:99:fe:13:6d:76:84:0e:50:19:20:cb 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=devfestcerrado.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:07:69:4e:99:c4:54:99:fe:13:6d:76:84:0e:50:19:20:cb
Serial Number (int): 263858811421203263185141487359248911900875
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 42:89:0e:8e:36:03:c5:96:e5:b1:cc:4d:68:4a:be:15:8f:73:af:c7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f9:d6:e3:c8:2c:11:0d:44:1c:82:ee:04:44:1a:be:6e:54:2d:68:a6
Fingerprint (sha256): b4:8f:ba:7c:a4:26:c0:6a:75:1a:cf:1a:ad:c7:84:72:41:8c:ea:48:d8:68:f2:36:6f:a5:ba:b9:38:ae:b7:da

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

Revocation information

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

Check the revocation status for certificate devfestcerrado.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for devfestcerrado.com.br

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

devfestcerrado.com.br

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Certificate

The complete raw certificate details for devfestcerrado.com.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArf8MzFuMjHDs31/lxSYy
JGnXbxEXcFun0YYTaK+ON3izdTQvbXAC/HZZQbf5KeMZCdLj/46oBqT8QTIgtC2b
nbvgmXSg9Iai47x/YV7lHF1Bn3FSC1zPc0ipEO852e5+70jRL/aa9Q07p5B9Fugd
6x2qjeB9wcpx9mwYAwW55eO6RbxdkpErhAxdjoMGEgxO2xDtJwTIGGlN/ifHE9d1
Rsbc8/GTEWqwK0cZXuWuL9QYtEnLrr97KbPU9g3H2A2uH1ac/57IiJraxT9NGC9m
dgQDLBIJofEApiJTO++6oelOdj2hChu+JGzCx3NWTL6i5omz6yqCzTEImq3jaZq4
bwIDAQAB
-----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 263858811421203263185141487359248911900875
 . . . . . . . . [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 2023-09-11 04:12:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-10 04:12:45 +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 'devfestcerrado.com.br'
 . . . . . . . . [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 21964996598305675915573479380786247280962438602053288249086616712897246355313522126511559817797834675136809833219714266061243380400029883085290017361078251426028773884298791844001421824190343506600555478279562276462503893788141441104147637478616722375709898157120992485246769886212268139643462764691226868589272292624118490151858356331170473117417532006787837515598598753563373067943180343678035736837764847100330696204193088672041160142181035082536691395836241544987362824047891128982910253584543215297426976422968257859859924356696964079552798439114266950433394517522531445339587074429553592332822094654432725350511
 . . . . . . . . . . . . . . . . . . . . [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)
							42890e8e3603c596e5b1cc4d684abe158f73afc7
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'devfestcerrado.com.br'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a82a81052000004030048304602210094f31c4d3bc888911f887c239f708d9eb96aa03c7aa26095b901f5cf251fb796022100aea71111538111c90e0590ab3fd21fb9d17838798338139abe08a8677bbb8e8e007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a82a8104d0000040300483046022100f7c789505f2f91a12321ebb54a560e42a888ec6032fec3f43560bd64041019ee0221009de40274d01d9546a59ab640975289efb6092d3df02c1dab579182fa07fe7d17
 . . . . [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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