firecursos.com

Issued by R3

About this certificate

This digital certificate with serial number 04:5d:3c:5d:1c:b8:a5:1a:c5:f4:c3:c8:04:f8:1c:44:95:a9 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=firecursos.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5d:3c:5d:1c:b8:a5:1a:c5:f4:c3:c8:04:f8:1c:44:95:a9
Serial Number (int): 380175640996579750578317670376095432873385
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d8:74:78:50:31:31:78:e2:60:82:e3:24:e3:dc:c2:ca:0c:ff:ba:f0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a7:b2:71:51:43:c1:e3:26:ad:22:f1:6a:b6:4c:a0:88:f7:e7:77:eb
Fingerprint (sha256): 3f:c7:64:ca:16:8b:f2:56:f0:b6:4b:12:a9:83:3e:b0:cf:ce:62:d2:b2:ad:9e:17:87:e4:53:bf:6c:f7:d9:14

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

Revocation information

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

Check the revocation status for certificate firecursos.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for firecursos.com

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

firecursos.com
www.firecursos.com

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(limited to 100 certificates)
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firecursos.com
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m.newexportec.com.br
sni.cloudflaressl.com
firecursos.com
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sni.cloudflaressl.com
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laylowto.ca
app.stackedhq.com
social.lightbeam.app
www.firecursos.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8b6jVPVIiwym7cedv2Ao
o/Sbu9zGbf5jvVxtjjOiTdE5veWeBB/NT0p2MF2dK+MspP0esGtP1UDwIn1lbu6q
vqck7ihls+dnqiiJYHehhVq+nIrwwv18t2Ga0jF48TsRK9fe4b+cFtkwgRs23yNz
Yzv+KoYYv8Ef/E6SOyTFqXl+LLLlUDHDNUMz5BjChRoxw47AograwkabIHk6Ehdq
BqFVAuNfLiKOkqr7Jjw1HvGFauIgiilw+mWp9Cds+cF3++9MvX9Zz5WIJVLajVOW
TN5qeU9A0fJpB8Uf2wi9/N+u+TmKG2dSouA3RCQJmHrSkmKTaHrhrDG8hPfXPKbq
hwIDAQAB
-----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 380175640996579750578317670376095432873385
 . . . . . . . . [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 2023-12-18 01:45:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-17 01:45:10 +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 'firecursos.com'
 . . . . . . . . [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 30517438605762967281851923730593805553483283031248092766119484060702982864049097987978125205346425695158819391016235031404284628625533420942504699142086082655945257788067533320771980174770389655983028164538523031199969187518167945279561069624398764030655819678870446739846615358301417476029799860363465210738849382338695073795811198785402065414102751386301192486122459209173719795022354114271046259727826151728210494099881655285469576632519756899446844161775457138479978568265874711888854001759791232669545073412857280626835131710211603724135913302982660369259276761336121423287320749459371402031493545875337271241351
 . . . . . . . . . . . . . . . . . . . . [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)
							d8747850313178e26082e324e3dcc2ca0cffbaf0
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'firecursos.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.firecursos.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c7ad028c90000040300483046022100c83636ccd0b384a1e2d53fd6f077b351043334f8f60ae13fe65220846212229f022100a89502bb9df969bfcf80a1f1a41e76da1059a0099cdc2907fbe53f919996b3810076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c7ad02a790000040300473045022100e22ea1c28decd516d4f297e534143dd93bf85ec1ac0752d6a414fbc03130861c02200978b2bd8927ecd3650c779c6fa110bc5f25c9dbc4c91c8a4e7cd6983e634654
 . . . . [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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