*.kza.arq.br

Issued by R3

About this certificate

This digital certificate with serial number 03:ae:ca:f7:72:66:29:f1:cc:42:f2:76:c6:9f:bd:59:36:be was issued on by Let's Encrypt.

With 4 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=*.kza.arq.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ae:ca:f7:72:66:29:f1:cc:42:f2:76:c6:9f:bd:59:36:be
Serial Number (int): 320815778512285592285118008281938815170238
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:d6:41:fc:50:a8:88:eb:70:f0:e4:9f:f9:f0:f3:f0:9b:e3:93:c8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6e:ab:07:b1:0f:cb:34:11:04:a8:06:c1:c2:1a:c0:e8:40:c9:50:36
Fingerprint (sha256): 1c:6f:15:87:6b:ad:63:a4:57:ac:b0:ee:fc:88:6b:f8:6a:c4:98:10:fb:e6:b2:d6:b0:76:a3:40:89:e0:69:19

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

Revocation information

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

Check the revocation status for certificate *.kza.arq.br

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.kza.arq.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

*.kza.arq.br
kza.arq.br
kza.estudiokza.com.br
www.kza.estudiokza.com.br

Other certificates including the domain name kza.arq.br

(limited to 100 certificates)
*.kza.arq.br
kza.arq.br

Certificate

The complete raw certificate details for *.kza.arq.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA50c1fX7r+TCdNEupgC5e
MhzrLbRQVdN/9xPlJUqpSH3mZFk3IZV7tsqsPjrYXzJ9viM+19jBvrkzKTUcTovz
vox2rF8bhQEfsI0GWStN3ze3/22+PdPzZTkuQhI7dL5iqqX8P/9X45VpeUsGj6sG
4J3iKwxSLrccf6kye8UOhVa5tL1wm1Ij4wA4g6HKl4qjgqpo476woG9IfngbhEyq
ojXFXfuCgG/iWwQkVQ0a3/vJ96waHOTBLB4/m8NuOA5pyO97tQi3j9O+yYG/ukX1
OFDgGB/nrDFoT4kkntyHzaCPi9iq58me5BZrrs9yRtIS8kNwBNzl/IX/xwqw/Nqz
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 320815778512285592285118008281938815170238
 . . . . . . . . [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 2023-09-18 00:27:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-17 00:27:03 +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:12|false] UTF8String '*.kza.arq.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 29196162887245996320167332054326707884545720609901496540975468102402585791689163771707527880253682999802810045439204685155633925134393840403845169796135808099151752818204844263311616759010014794011854631954894157107491815860492590040242695686585410027288460298296019146638771545957259644304440814600252106264863105725475613137450495901546725571709730841851024661320041238799302727278192455675285657331236652069871194857878121721226181095320456067290253514138595997630938949079878938749699816920299793544723915379072879489595055326816664449610625284683878986890470275688438573759027985077972008144111567343262692455303
 . . . . . . . . . . . . . . . . . . . . [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)
							49d641fc50a888eb70f0e49ff9f0f3f09be393c8
 . . . . . . . . . . . . . . . . [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 (78 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.kza.arq.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kza.arq.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kza.estudiokza.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kza.estudiokza.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aa5e5f114000004030047304502201efba48a9eb777d6ad827d167fef0d0e3924741a29d481b98797d7294e7400e5022100931295c9bf394f586faf53dd421e09489ea75b003f5d4a612aebbba477ab99c30077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aa5e5f11f0000040300483046022100bda610667e71511d12bf35263093f3f0d0d588d96d8d0c880d8e2e7b62b8e0c8022100db3f77d7b80e3388845f0aa6dad396d3475a8909dccb6f13d18fe1d1516cde9a
 . . . . [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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