brain-library.com

Issued by R3

About this certificate

This digital certificate with serial number 04:d5:a1:6f:1a:45:30:27:9f:52:b0:b0:aa:cc:09:80:bc:24 was issued on by Let's Encrypt.

With 5 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=brain-library.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d5:a1:6f:1a:45:30:27:9f:52:b0:b0:aa:cc:09:80:bc:24
Serial Number (int): 421143870466297844214986364719572283604004
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 45:10:93:6c:96:20:ef:fa:86:fe:6a:1c:c8:67:1f:ae:53:82:8c:f8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 15:e3:07:e2:eb:2c:f6:38:8f:f3:5f:31:5a:0f:28:f4:e5:b6:48:c9
Fingerprint (sha256): 96:4c:d0:ca:97:ce:c0:87:de:82:2f:a2:26:68:86:d4:79:ac:b0:f0:74:23:43:e2:9d:98:0e:5e:da:ef:13:83

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

Revocation information

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

Check the revocation status for certificate brain-library.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for brain-library.com

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.brain-library.com
brain-library.com
plus.brain-library.com
plusai.brain-library.com
plusstore.brain-library.com

Other certificates including the domain name brain-library.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for brain-library.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1/wIjfVEzbSgY402s8mY
iJmMUn68/9iKUJlcWdlFZqn6rPmQf59M7xg+jhHo2tmKouogjfYKlwP8GaSeqpsN
XF9ZbQ+svifqpAwqzdBl/vPhf2aKe4obLAKURSkLWrGA24S2H6XDPStC2usQuCtE
uoBJ5/9xb8tZfcnNg/o3XDTa0hw3qYHISVTdOmsubdU58o01ehRO0AK6Mi6BHzOK
+2sPZ0FzRGx6SapUuNyNtbU7PdmOD3kXMnfE/w9dJ9fKgcrOP8vzb7fRwZ+lmZKL
3z3cIp5Bod28ABCnSZTe/KTVK2zNhuVQ0lACrkKFLEJL0lIIBPPcHsJqJko6yjo4
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 421143870466297844214986364719572283604004
 . . . . . . . . [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 2021-02-24 00:39:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-05-25 00:39:28 +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 'brain-library.com'
 . . . . . . . . [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 27265517877250774448624563761690395372148255199510090490950227265072379977691575557392371908541844521764242255584015617132906562528707845681647687571973392732104278935007621427557386507333685518532353255353271814152194417267190642772624219681695910033113147864921723313045509764900028627845845698598228396024111173429587718583028257726492960755511398877248207274552342387490518677912845666091259239118141495184098768332465879813043509363176763121642501199494793028445449120482657024693852627343105043002646860974869578452984738172549645882056175314253063831513444233966759637335909100878488077082787009187908754749601
 . . . . . . . . . . . . . . . . . . . . [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)
							4510936c9620effa86fe6a1cc8671fae53828cf8
 . . . . . . . . . . . . . . . . [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 (123 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.brain-library.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brain-library.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'plus.brain-library.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'plusai.brain-library.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'plusstore.brain-library.com'
 . . . . . . . . . . . . . . . . [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)
							00f20077004494652eb0eeceafc44007d8a8fe28c0dae682bed8cb31b53fd33396b5b681a800000177d1b0ec330000040300483046022100aa7aaa0bc9eb01b53b2f2e9e9b784cc1851958e2f4ad1d5687dc3daefc12ed3a022100c5590fb27d6a87cd50cab2e5895231802f677b528771faf30eef7d95396e6c620077007d3ef2f88fff88556824c2c0ca9e5289792bc50e78097f2e6a9768997e22f0d700000177d1b0ec4b0000040300483046022100fe147d269f18ec5d21a5131b9d20b8608d19ffc8231e722e889e5911af7891bc022100f1e1496cbab3500a174ea87430de15c914d72872b70b8a212fc71e7df3901ef0
 . . . . [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)
		0003b77fba94f24c4f00ac8894b609063dd2f7a018d21b4e359c6a6bfe7ee098cfd6a517e8edd36751b37c8ee5d883379933d1d6c802c360a3378f5c9b1dad070cb1e8b35cddce73e90e215401a7169789d8b3375bc052ac84a8f764e50a873920e6e63cfa942f76c76d76256637e2928409180ccbcfe8490e195e7201ef51d91cc7bea7480927f1faa4c54375c6ed8a21bbd851ec7213672e5f788a5c2239200364a9ae1f11305304384c40a85194f8a9d61215fea34dfa823fc273284ec4a7b1c33f45512b73bae63e43cc8dbd5014983805608f6149f002b9f13817dcae8224540898f4b369296d770009f18c7c1b5565705397d8d8cca8c6ed04da959e79c9