conteudo.comschool.com.br

Issued by R3

About this certificate

This digital certificate with serial number 04:b3:73:a1:43:fd:b2:b2:67:6d:ab:9c:6b:f5:1f:c4:39:c6 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=conteudo.comschool.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b3:73:a1:43:fd:b2:b2:67:6d:ab:9c:6b:f5:1f:c4:39:c6
Serial Number (int): 409513385964219933548813479321102161557958
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 26:c5:c4:3c:ad:1a:de:65:5d:ea:59:ee:70:9c:de:1d:f6:dd:f6:b8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5e:26:4e:9f:65:39:a6:73:6e:5e:84:32:6b:42:50:e3:25:1f:04:df
Fingerprint (sha256): 10:d2:6f:e3:64:dc:72:b2:a2:6e:c9:74:ee:41:ca:8f:78:e6:4a:aa:eb:6b:e7:f5:aa:87:1f:51:14:7a:1e:22

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

Revocation information

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

Check the revocation status for certificate conteudo.comschool.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for conteudo.comschool.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

conteudo.comschool.com.br

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwZSaWCxB4Zxvks2nJ9oE
vHB3JQlHHzOlS1/vwCr7VSecbGaOgvf8VM83jT1o9/eVGxigoPZevuOujBd3lXoe
QkQlvPlk+ajvJif//KspL8Mj/ps7CZWy2rfywZsVSdIet5msZ68I0RFJZfpsEAuu
9ZkctpCgX5CLG2P/6f8/UwZGok8YoYC/MM0+8OybGP72nFR3wOU4AVs3MHcNxccb
ibtcDmN6omcBuXVqnsaO7gks94epsbv0Mueor1GqV9726AVMD/vMg5Fjmyv3FBYP
M487yzxqx5LaBAIfYtzPM1pJyjz0RsuXiS1yZWKGRx5++wJ7c45kikCJmBBswRuc
AQIDAQAB
-----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 409513385964219933548813479321102161557958
 . . . . . . . . [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 2023-10-06 22:11:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-04 22:11:41 +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 'conteudo.comschool.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 24437271683479626781558377809919402428733734084461125553024871653004883544560716747801426080979728514708703517076653042123539164610331930013492780174213907026496664640238422258601569444700853484832394579658375857769428183665497087717320964292174723359223628481573945434282544451005623543823839308138152255414008894240758239054490466046136525589434355877287639409369637643755501728164681902152595363518394813126765831254847640438322739637429471883728765315180025427409301906234311653069884623304247866242423203679290634543197234104952466486007524407044720182422349560946929715461485495733039426427097978308868261518337
 . . . . . . . . . . . . . . . . . . . . [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)
							26c5c43cad1ade655dea59ee709cde1df6ddf6b8
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'conteudo.comschool.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)
							00f0007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b0742d685000004030046304402207110085b1f410ed76a1e25dac516649b09ae3fe0426c9dc1be3e705a09f0d03f0220619dfb185cc1e0b90886d10308cfa969de52b40aeff787173fba7bb400fb914d0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b0742d6790000040300483046022100c096c05bd78dc684f0a56b4b08b440cafd4815f86358d95cdc4a1044f763ee93022100d7b5a9573992471dc8316b26b262d8c2daaf419103aca99c1ffecf2f31073b1d
 . . . . [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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