app.chatpro.com.br

Issued by R3

About this certificate

This digital certificate with serial number 03:4f:95:d0:f0:ff:78:14:4e:da:c3:56:da:4a:21:90:0c:f7 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=app.chatpro.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4f:95:d0:f0:ff:78:14:4e:da:c3:56:da:4a:21:90:0c:f7
Serial Number (int): 288418304639172055332301007174048735562999
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c5:a2:64:9a:c4:19:68:23:ed:23:10:80:b5:89:a4:b8:10:ab:06:42
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2a:2e:a0:fc:2b:55:10:a6:46:da:ae:5b:3b:2a:5d:b7:0d:ae:ef:85
Fingerprint (sha256): 9b:f9:22:25:5f:d1:7c:25:af:a6:ea:22:f9:b6:29:83:ed:9f:00:a2:5c:0f:2f:d3:13:e2:49:6d:44:15:b3:17

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

Revocation information

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

Check the revocation status for certificate app.chatpro.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for app.chatpro.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

app.chatpro.com.br

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtPYeRxP/MzXpIDp2Xk5J
AtIFWlEbnqCDfdTKJieWf/iKdB4XCg73yI3Ql/Yj3AaQKe0AUfDFPvbBqgC7IrPG
WpiNG/JpXVEO6T0J3bxFMdUgG45pcwJprh/q8mF+I/FhO9LTlqwy5YgH0LYgXsIi
0l2B8hsIX+O67jq9yCsbNUNqYRephMlS1lO1ldZ33YWd+o2Lhya/E64Jmg1qxOd2
LWrZpfz1aD8YfqEFE3JXdEOGxcRxPKFRa98+1GjGmVRXHdisDBE+a9vySBgsnND4
sdYjbDI0y1Oanxb0br0YCVxQAMUz72eVNMPwezpqQmZzbSRvS5T619vE/qxwVqnJ
KwIDAQAB
-----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 288418304639172055332301007174048735562999
 . . . . . . . . [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 2023-09-20 15:10:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-19 15:10:58 +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 'app.chatpro.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 22844260337198279617971150576360566299870208583287367803573990995749264754578916208736336939321600427376049462619725192818583967605815683925244210610279166184618339273586168920699382644692659180996261169011364809296753384599622592154010788956489622924098576510854639380851580389792972942266122585750631657262307066123270710483621708805141724358154790301193219815762724290480255302277740080841024160516299973015973718584375683846009538290260559531702158555354298373211754805147680806431130435866099933667603562976077529943911679880771376442568856834753817487790333797973935347052795964127983368982881664714312702871851
 . . . . . . . . . . . . . . . . . . . . [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)
							c5a2649ac4196823ed231080b589a4b810ab0642
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.chatpro.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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ab35be74c000004030047304502204765fea28e565c5333d8cdd0309c49b0551911e53ae5985d5aa4267a02a92abc022100a8298db641b150303f6d774fc9e6ccd921a71e1e02505f5e4ccb5597665a162b007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018ab35be7480000040300483046022100b9bfa4ee4aef00c49e3ceaa440aa8400d71af2b1f074b275a09d1217fceb8ede022100b6e446913927c55b6f22d7ecb14f45d92edb1919ca23840f93ba74ff8c78e4bb
 . . . . [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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