braintools.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fa:c3:92:ca:61:cc:aa:fe:03:92:79:ed:eb:e6:55:4b:10 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=braintools.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fa:c3:92:ca:61:cc:aa:fe:03:92:79:ed:eb:e6:55:4b:10
Serial Number (int): 346667411164829973846226295069567020780304
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b5:28:36:86:dc:be:18:e5:02:79:30:0c:17:d0:bd:81:02:0e:29:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f8:58:36:2f:ca:a0:e1:32:04:1d:20:99:12:1a:b8:24:07:bf:f9:95
Fingerprint (sha256): e5:a0:96:96:47:e2:e3:2e:a6:25:ef:0b:b0:b4:35:62:96:a6:70:d2:bd:08:05:c1:fc:fe:d8:b5:0c:42:02:d1

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate braintools.com.br

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for braintools.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

braintools.com.br
teste.braintools.com.br
tutor.braintools.com.br
www.braintools.com.br

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web.braintools.com.br
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literarymap.app
sistema.braintools.com.br
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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoGMfcDen+tTURe02oC6k
tultDLKE8QGnyYXdXeZQe4dqhklD4b4AFomKlAMm+Nby5ybPXz5ms3Nr5T/so90D
a6xJD21ttHnK2t233K5auWPnBgXlnwYgOk2i+xOeF2CULn4Ha1ZEWyeoUvw2RFso
ZNzHqjpXPQCBF8JwbFldH6sKJPZVDabaRmP0+jN4oAZKLGZyXYowo42pNtMMmucJ
G3Jg8n+Hele9EeBnM+1BdFDS7coy2aq3+xalowuzd53gRtYzVFKejZhNSXyyv0Wa
ui7EtPKpv32fnTbY0h1PcE7JQVGMdRgtAQxKOKSJ9GR2ZPsXTjm90RJ0DtxT47Bx
9wIDAQAB
-----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 346667411164829973846226295069567020780304
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-13 03:06:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-11 03:06:54 +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 'braintools.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 20247008071989110815534468253390418285722627268903102199160077467086304569476709812730989069633465947079651906408232903458806460418679412973535675102877743090441778587942395448163631113291970961085322159689536873210071319063718661175947525507136479323797464190666594442423188914314928545104015467995964269271770306344719409035550648566751895824851712318841634779519359789717032022588691192481348311819671501135705849266966840121456081259209885210913962259814907701884996218487876071540455561902461672133558469527477141647526095321441617700347017923758796605097955009998537166523704625035855106834680784159322263286263
 . . . . . . . . . . . . . . . . . . . . [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)
							b5283686dcbe18e50279300c17d0bd81020e2957
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (94 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'braintools.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'teste.braintools.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tutor.braintools.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.braintools.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b4f045cd300000403004730450220012123692ec5732e8619e78063991ae04bc97d6a6b8c230db644d8b7e23a3e93022100a66c81295ebbe6f919e07c4309f3c6783250841a0d8013aed5fd7aa7cb329e28007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b4f045ea40000040300483046022100db9299bcfae2d6bfae67b86b58cf08956147c51d6b34752fa37f4a6e87f038a6022100e58532cd5d5b142455afc63d9916ea994860e4b1829a79f8f2edf3143dfc5074
 . . . . [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)
		005889a3f6dce5eecdadb2fb2c9926aa5a68d2a9cd9fa79cab611ab9d2ec70132f327450e253caa0e6135fb38cae6bc01fbdcbe905c223a8cec821791ad2f290145d0e13ff58f0ebc0c5c2b36b7014fbee3de34f06f1a1b2ef00bbecba929c94b945a91aaada92f139c7aa95832edb9f6f6a0e5d3f8d1974b7be81abbb018538e5dd732ae0a598eadd241c1f5b34027f048165060f1398a68ee37deb62db73b6ba6389ae5568fa9bf9da5e405ab44e10d6e15af4348fecd04b05861555e0075d75ba738783b449edcd4647e375269e76206593c8b5fed79d0ce6b66e1b2a80259d4df4d26ea717a823941ab37ee6a841375332a7de31d31c7b0e7e020b8e26d20c