www.brainwit.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:fd:89:37:d5:f2:5b:de:28:95:b7:92:03:b1:dd:07:c9:d9 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=www.brainwit.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fd:89:37:d5:f2:5b:de:28:95:b7:92:03:b1:dd:07:c9:d9
Serial Number (int): 434722976709143063348176683103143944767961
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1b:d4:7e:73:bb:9f:c5:87:e5:f5:20:a1:9c:33:41:54:76:92:28:0b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:8d:4c:53:ee:f1:b3:be:bd:bd:8d:4b:22:7e:d6:fc:ab:0e:e0:a0
Fingerprint (sha256): f9:3d:63:dd:20:79:54:be:16:60:26:f2:cd:44:de:7c:f6:fd:33:5e:30:f2:43:a7:96:a8:2d:2b:66:0b:b2:c3

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 www.brainwit.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.brainwit.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

www.brainwit.com

Other certificates including the domain name brainwit.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnb4wYa2tlBm+mar/HoPD
MCvJc5/1Hi8t1Ca8dHlTrxY7R2ulEY3FSXICUH8irZM94EeW72mqxHXbb19gI5aV
VJ2QUeyHIJOTlu51c/vOFEAeP9+TySjzUdAcw/eBMEEdjPdGx/ueD10UFctTyEIa
b6BSnurCZz6pQGI38S3mnHVzrn0ZX75cVClxHgoTKarYzC/FlnQC577Hl4t/OphX
7BkeT7KubJ0RfHsf2X5zzFKsAfZTUvzl6hl1RAlpclVsaevcpF8be97vDYPCLKeX
JT0m54CKzjPwI4/fQvtgR/4e4GDUWhiMbgq8jAd79RkYWZL+NsZYWhD/7aD3fy7r
85aSrFXMB+5rV7F1ePxD9y2mSuUJR4Omqee1pJfW/jB0c2pajyTACs4T8aEnRJnP
nWYfF9EFv+eYNdIrbq6ZTVxLHjQJ/DUdXOxPCzcCLpAVfvhzcXGoqQ/mWnmexe8j
RB+V6PxIMqycZI9CCrEwp0CfPQxvJWORSXnD9csigeKe74AgD/yc5HnQIwi8B4P+
0IhTf7kQ93oruI9Hrc56PiimV8xcni3X4Ba/hct7/ananE5jMwwFynkDPxOqeAa7
wp7D9P4bR36OxzeAgBsh+wHaAXoK573cZmTsdk9uhGshH2o2FWG+upJThIFD7FuO
DcWhDPwVwzDASq9z38lTZqUCAwEAAQ==
-----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 434722976709143063348176683103143944767961
 . . . . . . . . [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 2019-10-12 13:46:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 13:46:32 +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 'www.brainwit.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 643534991283498490610608790715754678297961706845803352647511856721972912767566241562128749921294976720783845102990006693225375446671756953378325848742986207415434240684761840062329352978126043382269998980708846965425255927050911638958237803867897971151307550996413423419563049673081385185133804521340759192083396460848379511036490141419250249731362191257315471077220601343724487747224926641935914873538345712969229390299712808426520599268298677179733874444860134041807861134526416888119156492451859429564422182971260192961845463023588234581988693280409702752152416384804942638472626821124312289188147278862486392428399752230796012828924346200994138019133085174136364983377739690688866914402312221975370425590455629626927447679465465498833365167164929022036376307369451350364176708701782990835321691479726348789608104931951920780556859767171675438608867641245588491070851132883364855913927192463904174027375037505090214386991693396770157920233216176177964146492512517346543848244519245786081332759148290105464206558455718570670256614023816219079289088517697274848658838322119795932591646411335605645700469865310489251789303004896541469591966424813924447691216275459730803092940403575039379249062965344294528929217007032160179297937061
 . . . . . . . . . . . . . . . . . . . . [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)
							1bd47e73bb9fc587e5f520a19c3341547692280b
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.brainwit.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc06f719f00000403004630440220483af82e4cfa5120d69d6e7a636301a226053c38c05735de971a5e63fbd07c1702201aeaf2af28b4ad3680774c20a9f42c45ab0250d2bbbd6e6056967573398405520077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dc06f725d00000403004830460221009e2238a583b14886333cdd9a2a6ecbbc64cc2ca8d75f2de502ec04fdf5b743ff022100f85f7e37add9acf7edb5ce3ed78ebcd48b370147f10292ecdaa638f2f6193c4f
 . . . . [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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