brainmemoryloss.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f2:68:a9:5d:e5:59:e6:1f:4a:0b:dc:a8:63:78:85:c8:63 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=brainmemoryloss.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f2:68:a9:5d:e5:59:e6:1f:4a:0b:dc:a8:63:78:85:c8:63
Serial Number (int): 343824309704313736456603339679665289021539
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0b:29:a3:81:8a:60:16:a6:89:c5:bd:a7:a1:ba:1b:bc:17:c1:9c:62
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7f:9d:fd:b0:01:2a:53:19:3d:cc:e1:3e:48:4d:12:5d:94:b0:2e:84
Fingerprint (sha256): 46:2d:6f:01:9d:2f:18:cf:4b:04:47:a4:e9:83:21:13:d1:06:88:fe:40:12:d7:1d:6c:49:94:cb:0d:8a:48:cb

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 brainmemoryloss.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for brainmemoryloss.com

Public Key Algorithm

RSA

Key Size

4096

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

brainmemoryloss.com

Other certificates including the domain name brainmemoryloss.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 343824309704313736456603339679665289021539
 . . . . . . . . [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 2019-07-22 13:08:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-20 13:08:59 +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 'brainmemoryloss.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 757521405419948764283565891756627236380974912983063493178350948343247300816701641986595367768461533601767132116091343262115283232714343784596316497132617770838144928986313651888794240926448764153536909426341504658397706409546557936125666028968223235228599346676385076008279212866876497118387628770605257228057792210344345124400024565509060517583006367634297153267730763223256091573513247779100979345948392500460760164238821678303580638401757158360933497327961587154236297886062206773740145865164950769228944106832657873430495150215055527916058609759332643378548446813546553771049840435317978395857127640198912905241760204352350627233366524167173430265204419590016476895902940594082405085535480397607426724724886818184838266984505331348218452171931695267424371336604027645834471135786060788133309634050437968984812131790676617178448260006205394538068349406823044628956485145211388061864848555063061276624040993751919205258258806100722252656145529131655816874011243227830373432302431064710913744119173402699780130529950709684423406785210171057932552233524207124461951589388673042883169918445614299664225792665324192700424718024891224335978780812830764132720259098678539825157189353365715114522210028535017018192249574178650546491633567
 . . . . . . . . . . . . . . . . . . . . [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)
							0b29a3818a6016a689c5bda7a1ba1bbc17c19c62
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brainmemoryloss.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)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c1a039c2f0000040300483046022100f96debce2c14fbf55e7870fe0fb8e6e6f7c46e19b1ff68d518741dd8055cd1b7022100ed8b3b32d832859f2b078145641598389560ff7d49d27ff48a2dade78567159100770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c1a039c360000040300483046022100cf50c2b04a0621cb9b974cee68c0d481dc2096aa5530367c9d8d41ea07e44605022100881c14051bf648479e13f5f768b11c1b91fffc2bbe4a35a47e1d3b90fd3911fe
 . . . . [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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