devfestcerrado.com.br

Issued by R3

About this certificate

This digital certificate with serial number 04:a3:79:f4:a9:d0:c3:c3:87:4b:de:26:6a:80:16:e1:78:f1 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=devfestcerrado.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:a3:79:f4:a9:d0:c3:c3:87:4b:de:26:6a:80:16:e1:78:f1
Serial Number (int): 404077276487344680226056640716494354872561
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 69:85:e4:2e:16:3a:7d:1e:65:81:af:7e:ca:3d:2a:cb:5c:22:a2:d4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9d:8c:16:2a:51:87:59:01:44:c6:95:bd:4d:ad:e4:19:e0:fa:84:43
Fingerprint (sha256): 73:67:72:54:0f:07:83:a0:4e:99:a3:10:39:77:d8:e9:0e:5c:d3:18:0f:e4:73:6c:bf:5b:be:04:58:09:b4:25

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsOfOEUxqpt9Vix06cGjs
W4t83eV8uJgx8nSVcFv+m0m/1sE0ZPFlSrL8823AuTAwy1FL5OZWhBYsBEGs6EGG
kqYv6fPGIBdMmAGkS3H72v+W7TpVFok+U+6RoVNmtE8DVk9/CsXMIXojDYBCSuE1
m8YyM3y4qkBea5MkuM1VdkIwMbS2XTT74qi5QyOBSswRPVH49KJt66NmIZjOKzdJ
zo2nxtUg3dJSHsOO/e+IQz4JLjxgMp5WdnRdeREYaZZUzTM/70LuumrsOmFrxueG
DA7eAE5n+Mr5UfgKMl7sOuLNg6Hs/eIAbOR1Kk9uSQN+F3b8O1vyfeZwiThwbq4S
6QIDAQAB
-----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 404077276487344680226056640716494354872561
 . . . . . . . . [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 2024-03-22 04:59:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-20 04:58:59 +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 22332248955879120537730547420262071803906435915874545022014850786735199190810681174107657780865318960207557963757177761380768058297929771746924588785169475191519197821109665806199436979861356700234766539325941077099973449913647010590357575025491578817191900682820070440737957981570915658221643645978376878828159209792564682777695313264752377630541508437071214670738643054683777575303367672085484104083065576320096550031363714388887359840451740785713404525682748909828541212102307929480862709583939080316739443212864455460414733195377032478478337524488432514416273419731956450260466228741032022528465320009449631257321
 . . . . . . . . . . . . . . . . . . . . [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)
							6985e42e163a7d1e6581af7eca3d2acb5c22a2d4
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e64bdc09400000403004730450220009c654e0850d3c5f7dec4b193724a75ec4f93191d38fe70e361a2f91c85e51a022100f9eb58db1426b29b4f83fe3ffb227d45cbe0c039437ac7808c0df58944adef7c007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e64bdc083000004030047304502200b294f01ef6a560ee55a62194b3029ecfbe84d56c54fb48c1ba73e1df1b955b5022100fa225a7f2e41ebf90298e1e045f7976d863d1d54f83fdb68970081cd44308678
 . . . . [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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