contavoltz.com.br

Issued by R3

About this certificate

This digital certificate with serial number 03:44:63:e3:e5:ec:6c:02:c8:e4:98:13:41:54:a5:5f:84:1e 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=contavoltz.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:44:63:e3:e5:ec:6c:02:c8:e4:98:13:41:54:a5:5f:84:1e
Serial Number (int): 284608835632277222869871692784155205010462
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f3:11:bf:92:fe:16:dd:64:7a:89:f9:61:79:b1:55:1f:f4:2a:5d:11
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2e:ec:46:46:4a:cb:07:d1:cb:68:0b:36:74:01:e0:9a:09:a0:f2:c9
Fingerprint (sha256): 5f:3b:76:aa:fb:b7:7a:50:21:26:b5:48:df:e6:ca:86:04:5b:a5:f0:db:8b:ed:7d:cc:c2:c6:74:37:14:85:ad

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

Revocation information

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

Check the revocation status for certificate contavoltz.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for contavoltz.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

contavoltz.com.br
www.contavoltz.com.br

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoHRjHbkGQHS17CP6nmDs
fEpFTl3Nv8G4BiNUu+XPOtGAFshENU2q/mRgaQTjC0iulO14gJdYkuI/ehCGeLLV
kuoNxPJEC+P/8nhJ/S0KnIY7gJtMFFf1T3hX4ShEvri43a3ZlIUC982oL8CSaR79
0QSKYxIYn7UAV0RfJPVj7EToZjCTOh0SzK1JYv5CCESSj233gTUo8GV1uEEFgP1q
6Nl8/yOdWVIS/wRQyw339qTkUMJkEcinCrEjrFJOG71VDjIM51uCcqMyi6nV8z7S
V3cattXSF5OifrJ9+0ME0KO2jAb6gogbAEFLsZwj+dZ1oIeXTzSygHYA6YlJsEgr
zQIDAQAB
-----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 284608835632277222869871692784155205010462
 . . . . . . . . [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 2024-02-22 10:21:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-22 10:21:13 +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 'contavoltz.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 20255521448275721425902392610255001805089025086205362108588025738907686001347180521200305048922546712696053135427746679756256312490220423224695837016684908557846765226531968742940247364987689266629329183764613933062623556126711128721649864630581674474063122638632322083063949544841871775026521816884621394134971762113316246538859161816994690212354597893041719217214533624249398285385181912443086066673533074141540791093258002067962401339301923359218107723311157308277541790237280450623785329263318529579466074897994834067546681666779136146570483797149604864984726615653795966084061542630952517995712453316229349256141
 . . . . . . . . . . . . . . . . . . . . [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)
							f311bf92fe16dd647a89f96179b1551ff42a5d11
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'contavoltz.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.contavoltz.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dd08c57ee000004030046304402200ace9e2dd3b5fb8c921ba21364731cbb7eb4abbcc3de988c5f59dd562f9a74bd02206c01d876245730556f24b1aab3c0b227c9eaa979e2bb37d0c7aedb6edb58f2b3007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dd08c5823000004030046304402200fb62220b675deb21d9ac9ee763182d308e3bb7b15a44bfe644782a74b8b78930220446939d8a0cae33496bf1df3f3c941e766f9112a7d94bd038752203e7d519b15
 . . . . [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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