braintools.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:0f:77:9c:95:af:b5:2b:8b:36:ed:0a:78:55:70:0d:ae:fd was issued on by Let's Encrypt.

With 3 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): 04:0f:77:9c:95:af:b5:2b:8b:36:ed:0a:78:55:70:0d:ae:fd
Serial Number (int): 353712370396663428772537025948418325720829
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e2:15:6a:ee:f9:c6:76:ec:a3:c1:c3:71:f8:cd:c1:20:3d:6b:37:c9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 87:e4:14:e9:d1:dd:8f:e0:a6:e6:7b:62:75:38:72:a4:4a:6a:3c:ad
Fingerprint (sha256): be:10:3b:a6:46:6c:4a:76:1a:52:70:d7:75:38:c6:d0:25:a6:63:73:b2:55:34:5f:a6:57:2a:e4:72:4a:62:31

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

3

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

Other certificates including the domain name braintools.com.br

(limited to 100 certificates)
literarymap.app
ngohem.com
braintools.com.br
sistema.braintools.com.br
braintools.com.br
braintools.com.br
web.funfinance.app
web.braintools.com.br
braintools.com.br
www.protium.it
braintools.com.br
sistema.braintools.com.br
applink.headout.com
sistema.braintools.com.br
www.jub-mueller.de
braintools.com.br
braintools.com.br
web.braintools.com.br
braintools.com.br
literarymap.app
sistema.braintools.com.br
lostpass.zakiarsyad.com
braintools.com.br
braintools.com.br
braintools.com.br
auth.playing.plus

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvvHWMofa89uV3BJgUD5T
MFn1S/U/t7cf+JPepqyWrbYzfLWLmtJMt138dgoSLV+jWmBiNP8bYb1YxqjfOg8K
ZHKnRY9wbV9P/tz4WtCz0uiLQ1/dkUm6Spagog8641XC+mzBCO8/uPGWSn0YkAXt
mJPDI+L3YVq0pdSCBBElIdcK5IMxNSHn1tNl38lqbm42RV6RB/r0ACVC6nbXZ0t0
nSu/t70ARMgYhg+QyPwAl83Q8jDpUWyLzc1IP7w99h/5oBWGXonCDlw29qM4ZiuX
3tLITg8NAW2Uu51TlmZNZpuWiDOJmcgRiQIAXUEmfK2RzkChfkDn/hGiYZLxEDhx
OQIDAQAB
-----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 353712370396663428772537025948418325720829
 . . . . . . . . [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 2020-02-11 00:36:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-11 00:36:26 +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 24104532069192892494607744875974093061808384421336223932682959524182694241376811451263581230956058671752787751145821909306787241418248988282254138685204306524522578778350357307150152232632718404690158150576870201979287982204925596874405507374496165328336159781390498934359303985011452157527337385667893508019468905782017141386742215475530603005200194118896508316834726516859768012388111576925765244437767779673270726836360802848495510383118238844148797619836656220766616680799742910218261583066762708369878549212391375436725367307204383437522286219896101821940252984799909377801101510440900393858087292750954858311993
 . . . . . . . . . . . . . . . . . . . . [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)
							e2156aeef9c676eca3c1c371f8cdc1203d6b37c9
 . . . . . . . . . . . . . . . . [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 (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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)
							00f10076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017031e3f12a000004030047304502202c17128d3c7b407bbbc8eb102c2a4b372acf24a3e1731b9dbcf002a64f7466a6022100aa9e2a8de7a335fe6e597316a1d0691f7925bf67fa4a895f4110d7a2bb815cd800770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017031e3f12c00000403004830460221009823d2105795f0ed2ea1d889de9a82ebdaf5727e401fd024453efe1611fb3374022100b8ed23c2d0418f068af3ff3808446de016e5cc31e338838ee5976d40297a70ae
 . . . . [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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