braintools.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2e:a2:2f:16:42:5e:16:44:22:fd:d9:0c:be:69:00:35:ef 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): 03:2e:a2:2f:16:42:5e:16:44:22:fd:d9:0c:be:69:00:35:ef
Serial Number (int): 277205426098384605282831723491883101468143
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bf:35:30:05:6f:ab:28:ae:b1:48:91:27:c6:6b:33:3d:ea:a9:74:10
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 33:40:88:67:75:9d:dd:68:e4:99:89:a9:a9:c7:d2:92:7c:74:ff:4d
Fingerprint (sha256): 53:7e:ab:7c:47:66:44:a0:8f:9e:6e:67:43:af:3d:4b:84:2c:bd:f5:43:69:7e:f6:48:be:f9:58:f0:fc:5a:82

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyaQeEJZyH9JU1UpbIrZl
9QX6pm26qfKGQ6fMdDXnleL9WmO04khHOB7cNGlYYvPh2tTibpnKSACBuGaDnYuX
TRHJO3U0B2gqx3mqxFHckWNz6NfVUN3/cHNdoXuCL9QR+BA+tvtmy9BYHIXFSKaX
59u4qxGAXIhyckg6VXBlGW79RWHD2MS2N2z+I189xUoD1R/85HswBAvKWn7RSNkf
J7n/4cpEKLmZAVCKgU1A0eB40hmRrKrCjlCNhP8Z/KWiM5hMEP+s84DE0FUH4YU+
WShTqqMaPa9PvDDD9qXAPmZUDwm9LoZv+cMxAQ0radDwzoBYR+ogIbnhKBhQLkUL
ZwIDAQAB
-----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 277205426098384605282831723491883101468143
 . . . . . . . . [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 2019-10-13 00:24:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 00:24:25 +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 25454828624418830944080181738930300166858886546543717124509894888372902416252233267081722870591787011111009846811392735772228748624605054704168922043410623735992341510837925698350407940613910919329119183855460820957189413423583308192946801873273494264513931033556743058359558038478983599808709872097848199326876199506978000267763464043024027709067213816808652664991221404717563912974679597679974007001154673213573581423897027543473815768941168744985012342993086947045443284893660713812880615245935056712660478956292792901694707237747370006190955333655172978883740760618607387781534732387597455116168059240348708572007
 . . . . . . . . . . . . . . . . . . . . [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)
							bf3530056fab28aeb1489127c66b333deaa97410
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc2b772c50000040300483046022100cf130be6c4d784c4b176d64de20aa17ab0c44906e37f995544c85c0a019ca498022100f615d89d8550af473f78044cb40ceffc82dd3a1c020cc487c310c064d9f8c853007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc2b774e40000040300483046022100f01d51b0c89fdb5334e62c483bf5c7245b8c844892e887aacbe1a3fd89c860a7022100a7f4f1423aadf837f6fd9d33eca2d96c0adc0491f113f7575dc76fb1c0273af6
 . . . . [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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