opostador.com.br

Issued by R3

About this certificate

This digital certificate with serial number 04:6a:81:c8:d1:49:f1:0e:2f:f9:74:91:60:f8:30:7c:3c:de was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=opostador.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6a:81:c8:d1:49:f1:0e:2f:f9:74:91:60:f8:30:7c:3c:de
Serial Number (int): 384691587736370290892365301194241540373726
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8d:34:c3:93:d0:f4:34:cc:dc:e6:e5:0d:e5:4d:3e:95:df:9e:3a:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): db:ba:4c:f0:9c:f9:b5:ec:aa:24:bc:a5:ed:89:12:5e:ef:e1:0f:3c
Fingerprint (sha256): 6f:b3:0c:19:cc:58:e3:7b:da:5f:3a:dc:50:b1:cc:48:cb:3f:91:77:de:1f:68:d2:a6:f3:d5:30:57:ef:e5:a1

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

Revocation information

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

Check the revocation status for certificate opostador.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for opostador.com.br

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

opostador.com.br
www.opostador.com.br

Other certificates including the domain name opostador.com.br

(limited to 100 certificates)

Certificate

The complete raw certificate details for opostador.com.br 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 384691587736370290892365301194241540373726
 . . . . . . . . [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 2023-10-26 11:16:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-24 11:16:20 +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 'opostador.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 831708975301030242976019185515798255929544787546584706138210987187877164141040275315338794109041889298243361277274879520942041495911355943422582971213981404878763775130574379553224892023360967560491764331265087986330842790834365573098000656801979050090799536586906239466445680934245614850426923058537017085091106029593403911946131843709241504662257908476743678598971921384247939831613369397048661909734290899474998112173292416360527475776436861749689715733345210849229332145337820155812206588573663880136982084468890094657755008706570806689055577658216372661501181023951158916569924052123016896694465083185503251181270708131866980396026528363179235980033170320418978648515347247597623117720349655862191034608002409784691298883389447073666421889390416683710739326770369722177804754542374180372215549186796021981926750047908232401917494998141012033426472784927406366240185599301554939100631437649144376442895317145422777296705180575071829626858461985184258800216447933594640490346686692086357381751355524698032007768625237087275296521286227385491696361556114758135196064157527586581977585752497293246670466301738773740938072201785009650330489888284202017907758371124435002712637110949819088874489595365720372165976215041163566037096407
 . . . . . . . . . . . . . . . . . . . . [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)
							8d34c393d0f434ccdce6e50de54d3e95df9e3a5d
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'opostador.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.opostador.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b6bea0a2f000004030047304502201c19ec4d8338c54a08888d106d56663d63f48c0b21a6dff6020ef70bedc52973022100bcd835ef3a915e9e9e41bfed5e7bebbe12c1394663f2a873c271394467743bd1007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b6bea0a2d00000403004630440220213d78dc848883ae7ae7c0f91758fe12ad71613a3fbcb8a1cf3360e6c100d248022021ddc8646764bd3f87f9ed7ddd1c6e9df4f8e4b9a2a480e404df72d8b6777fb6
 . . . . [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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