contavoltz.com.br

Issued by R3

About this certificate

This digital certificate with serial number 04:a1:bc:19:dc:87:8e:ea:e3:b3:6c:6c:4f:b2:fa:f0:9d:3f 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 04:a1:bc:19:dc:87:8e:ea:e3:b3:6c:6c:4f:b2:fa:f0:9d:3f
Serial Number (int): 403484633944811252337012109970582969294143
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1c:6b:68:30:e2:bf:30:ce:03:8a:c7:59:fe:f9:1a:c2:db:01:74:84
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ea:92:35:ee:90:13:97:59:98:56:98:81:14:22:b4:0c:31:9e:8f:d0
Fingerprint (sha256): 78:2c:0a:2e:41:e6:b8:e2:88:92:b7:22:38:47:c6:69:eb:68:07:33:14:9f:20:4c:1e:db:fc:61:28:77:fc:b7

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-----
MIIFBjCCA+6gAwIBAgISBKG8GdyHjurjs2xsT7L68J0/MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA2MjgwNjE3NDJaFw0yMzA5MjYwNjE3NDFaMBwxGjAYBgNVBAMT
EWNvbnRhdm9sdHouY29tLmJyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEAzgrLXwBLnoif6NDc9e6Bluo4+eZnUFyLwZgofTczxMfvLVcL125GTvBrlc/W
B67MekdIMW4+WNljeHwALEsZTDgbY+f2UJ1gV2Ki5j8Be0lE8EwskttBOieKOIjo
v5hHf5K2UuWoNHezDideBH/eLpPmx/TnU1bD2EVCkHHE/hySaUoIBrcUedn98zC2
ZxuQqfveex0+ZFmJRTOQunDzzcJj4ExuQsNU2CbUEJEzK2WvdXHFdPAiYknQQ2DO
v/mkYRQpmevkl9aF9P15vvG1H3/9hpHlmZ8KV28gd/1vECHiHlwK9E3ICTwadPrb
6aqGOojOnM8RIW2RoTkHcBApGQIDAQABo4ICKjCCAiYwDgYDVR0PAQH/BAQDAgWg
MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G
A1UdDgQWBBQca2gw4r8wzgOKx1n++RrC2wF0hDAfBgNVHSMEGDAWgBQULrMXt1hW
y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6
Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu
b3JnLzAzBgNVHREELDAqghFjb250YXZvbHR6LmNvbS5icoIVd3d3LmNvbnRhdm9s
dHouY29tLmJyMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIEAgSB
9QSB8gDwAHcAtz77JN+cTbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkAAAGJAN19
gQAABAMASDBGAiEAkkCdldaBg4wMt6VQFf0GoS57hiL2r4T06XWc5vd/W9cCIQDB
aetU1CkhBC5oLZVED+3y/4Gqlsn6dFyCh+aSP5DfXQB1AK33vvp8/xDIi509nB4+
GGq0Zyldz7EMJMqFhjTr3IKKAAABiQDdfa8AAAQDAEYwRAIgKwhjkSqLqTEXvsnC
gtMOxtn3xRtxiuodDFlvqeKBCDcCIFvYlq/YYlB+iGtoJe1pv/UBbvxiGp0AWnLo
jhFDcWlaMA0GCSqGSIb3DQEBCwUAA4IBAQAlBf8OjS57GBabr/Dccg7/wSMT/p/E
4i2DdHDqXjocUfQswL2QZnVaLRMxjIV6Z0873YM5Trvl+Lyby/8K77O5BV/o/tTU
aCal21teLFXlQUqx0qBSma21xlKCt6f0MCnxLy6hMI+IUgJFn/qzi0SaCK55MRzH
Q4ZqIUsRbM+hcmNk8wKAUi9E46EcrUk/80MVHJ2//B+cOddwVChUK6uD8+7NPtH/
x56DFIdnt1iqiqw9zJbwtm3AwT4iWIwOGTAY8J88tO9aINdmWGyPMwXx4sT+Fk64
GFWMbTqQlvirxXOPo6AJJF73HDrzVo7xKCZuMXpP61CHokQwv1LxzZ6J
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzgrLXwBLnoif6NDc9e6B
luo4+eZnUFyLwZgofTczxMfvLVcL125GTvBrlc/WB67MekdIMW4+WNljeHwALEsZ
TDgbY+f2UJ1gV2Ki5j8Be0lE8EwskttBOieKOIjov5hHf5K2UuWoNHezDideBH/e
LpPmx/TnU1bD2EVCkHHE/hySaUoIBrcUedn98zC2ZxuQqfveex0+ZFmJRTOQunDz
zcJj4ExuQsNU2CbUEJEzK2WvdXHFdPAiYknQQ2DOv/mkYRQpmevkl9aF9P15vvG1
H3/9hpHlmZ8KV28gd/1vECHiHlwK9E3ICTwadPrb6aqGOojOnM8RIW2RoTkHcBAp
GQIDAQAB
-----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 403484633944811252337012109970582969294143
 . . . . . . . . [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 2023-06-28 06:17:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-26 06:17:41 +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 '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 26010413749085898946026865945349716479796458094716743813695732152272153144168342540308992027748648621245064660660225135965663081656178393580182442979268692787738665129374180353847307635330839801290255563290259349396670698022035096649116517496105553657979992016753623389090272431102144408853213427045133029038232247861451865023403777269669278528526215562663631929567025153638831811518452647334247396101144772620223907339064910492307401891345858894384094068281272260596057022304340669734353844975033647260401914073262298088075826523290832517467661978632654463819650170817587647837541160918269385995802598806351927847193
 . . . . . . . . . . . . . . . . . . . . [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)
							1c6b6830e2bf30ce038ac759fef91ac2db017484
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018900dd7d81000004030048304602210092409d95d681838c0cb7a55015fd06a12e7b8622f6af84f4e9759ce6f77f5bd7022100c169eb54d42921042e682d95440fedf2ff81aa96c9fa745c8287e6923f90df5d007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018900dd7daf000004030046304402202b0863912a8ba93117bec9c282d30ec6d9f7c51b718aea1d0c596fa9e281083702205bd896afd862507e886b6825ed69bff5016efc621a9d005a72e88e114371695a
 . . . . [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)
		002505ff0e8d2e7b18169baff0dc720effc12313fe9fc4e22d837470ea5e3a1c51f42cc0bd9066755a2d13318c857a674f3bdd83394ebbe5f8bc9bcbff0aefb3b9055fe8fed4d46826a5db5b5e2c55e5414ab1d2a05299adb5c65282b7a7f43029f12f2ea1308f885202459ffab38b449a08ae79311cc743866a214b116ccfa1726364f30280522f44e3a11cad493ff343151c9dbffc1f9c39d7705428542bab83f3eecd3ed1ffc79e83148767b758aa8aac3dcc96f0b66dc0c13e22588c0e193018f09f3cb4ef5a20d766586c8f3305f1e2c4fe164eb818558c6d3a9096f8abc5738fa3a009245ef71c3af3568ef128266e317a4feb5087a24430bf52f1cd9e89