oppa.com.br

Issued by R3

About this certificate

This digital certificate with serial number 03:ea:67:85:3c:e3:fe:51:f8:b0:94:c4:27:d9:5e:40:df:d2 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:
  • 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=oppa.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ea:67:85:3c:e3:fe:51:f8:b0:94:c4:27:d9:5e:40:df:d2
Serial Number (int): 341100533948836449257013518278313694519250
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 35:34:11:c6:67:7a:df:c3:50:55:4b:77:90:67:66:3a:73:e1:d6:22
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e7:3c:0d:7a:97:96:1a:d6:a9:37:1a:48:2a:57:61:b4:7d:5e:f2:57
Fingerprint (sha256): 39:0d:b7:5c:af:6e:05:28:bb:cb:f4:d0:3f:1b:07:2f:24:ec:fc:c7:cb:6d:d5:27:f9:69:9b:39:4b:a7:db:31

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

Revocation information

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

Check the revocation status for certificate oppa.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for oppa.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

oppa.com.br

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+UTPJ5p+/EtP3XSxbVfT
5DDkc0pNdozWz85PZrANTKQMTm4RypxJcQEOBhSJjkovw3APJmFvIhEHQuiE8uvx
z6n7Jhm1G2jRFsETwdPDRf/AyGEcSWK+N6NMTG7N7VLQZoSh5DZkcGOLR+VqnS1l
yEsTt7yZRTo/6z+37if3hacb7uiFskrqL/Z/d4H8BFg5kNmsZA9OcYPQiNT+keT+
zmyiJDXrhr5z/svuRkVNyJ2XOlooTUS0ITmkdIyqBdsOy66TMrU5TFEB5E4ySc29
HxnPwGZMwRqYzuSLGew+W8KiXIGSM/F8Z/6V1eVud1HtXtMRk3zUKVMqA2Uf89yL
ewIDAQAB
-----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 341100533948836449257013518278313694519250
 . . . . . . . . [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 2023-11-22 16:24:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 16:24:28 +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 'oppa.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 31467269016736446494056512637582468348863152319040308690247163685721919009096001381146541614989032948592326902839576266077646961477688343091148216725306238428900809931686273346939981719669331425171162260482060586376737727267891831246071195729684657418546797121197118241893791575909203013096905426124552284227561383244399342807757584845861267332642342351265210463064101709883839305420841542666449771311176057660123671584710010922383365550206734331690780297601088952677151331742843105193097845923501724274580320954098523540862633222513898443443420016639634790061982376401543648378960927097130572330649769746932810156923
 . . . . . . . . . . . . . . . . . . . . [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)
							353411c6677adfc350554b779067663a73e1d622
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oppa.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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bf80fd7e50000040300483046022100a5a80718e1d021bb659f9e081eb4faa12182a0d34eabba227cb4397eefd440ff022100ac73668c9fb7d30311ce7a8c4c28b6cae2462ec74b6e9c71fae96bfd41f878ea00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bf80fd80300000403004630440220309b38ecd1fdc08f06580ebd0ed825c1914343fab84ef3fb284293f8b618b56202201865c331c1135fbca064583ba9322e13ea0d09f0976ed2581db27d9bf5071bb1
 . . . . [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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