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:d9Serial 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.orgCheck 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----- MIIGWDCCBUCgAwIBAgISBP2JN9XyW94olbeSA7HdB8nZMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIxMzQ2MzJaFw0y MDAxMTAxMzQ2MzJaMBsxGTAXBgNVBAMTEHd3dy5icmFpbndpdC5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCdvjBhra2UGb6Zqv8eg8MwK8lzn/Ue Ly3UJrx0eVOvFjtHa6URjcVJcgJQfyKtkz3gR5bvaarEddtvX2AjlpVUnZBR7Icg k5OW7nVz+84UQB4/35PJKPNR0BzD94EwQR2M90bH+54PXRQVy1PIQhpvoFKe6sJn PqlAYjfxLeacdXOufRlfvlxUKXEeChMpqtjML8WWdALnvseXi386mFfsGR5Psq5s nRF8ex/ZfnPMUqwB9lNS/OXqGXVECWlyVWxp69ykXxt73u8Ng8Isp5clPSbngIrO M/Ajj99C+2BH/h7gYNRaGIxuCryMB3v1GRhZkv42xlhaEP/toPd/LuvzlpKsVcwH 7mtXsXV4/EP3LaZK5QlHg6ap57Wkl9b+MHRzalqPJMAKzhPxoSdEmc+dZh8X0QW/ 55g10iturplNXEseNAn8NR1c7E8LNwIukBV++HNxcaipD+ZaeZ7F7yNEH5Xo/Egy rJxkj0IKsTCnQJ89DG8lY5FJecP1yyKB4p7vgCAP/JzkedAjCLwHg/7QiFN/uRD3 eiu4j0etzno+KKZXzFyeLdfgFr+Fy3v9qdqcTmMzDAXKeQM/E6p4BrvCnsP0/htH fo7HN4CAGyH7AdoBegrnvdxmZOx2T26EayEfajYVYb66klOEgUPsW44NxaEM/BXD MMBKr3PfyVNmpQIDAQABo4ICZTCCAmEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQb 1H5zu5/Fh+X1IKGcM0FUdpIoCzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEHd3dy5icmFpbndpdC5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQC BIH1BIHyAPAAdQApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3A b3GfAAAEAwBGMEQCIEg6+C5M+lEg1p1uemNjAaImBTw4wFc13pcaXmP70HwXAiAa 6vKvKLStNoB3TCCp9CxFqwJQ0ru9bmBWlnVzOYQFUgB3AG9Tdqwx8DEZ2JkApFEV /3cVHBHZAsEAKQaNsgiaN9kTAAABbcBvcl0AAAQDAEgwRgIhAJ4iOKWDsUiGMzzd mipuy7xkzCyo118t5QLsBP31t0P/AiEA+F9+N63ZrPfttc4+14681Is3AUfxApLs 2qY48vYZPE8wDQYJKoZIhvcNAQELBQADggEBADudsx9zi0eU+s8HFH9oLqrHcltl GXNQ96qoIkW5QsJfHLPeP4B77tN4/D3Owup8GupGTRxSsW3OO/1gfb10NV5kozJq dvn5iQjhVaVf+eFkKKQMWtFKFI6mp8KAEjJ7w7Q87yhu6R0E4UcZe/ULJmfkm8rW pd5hxid9SjLt9DWc+Cqp/ri/c32JIWUAe220k601TaoQk785ym49yjVSErknXnlK U4HYGyhI0ivEr3JIN5HtDi2USh4X5SSClJoSp2/4up4nInCFfiTrI5bTHAnOUC0s LLR0t/S2UmEcNEuG2IvOWHqALG4NAjbDRj8R+G6nlVIPaSQdg6Uny/dMyhA= -----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) 003b9db31f738b4794facf07147f682eaac7725b65197350f7aaa82245b942c25f1cb3de3f807beed378fc3dcec2ea7c1aea464d1c52b16dce3bfd607dbd74355e64a3326a76f9f98908e155a55ff9e16428a40c5ad14a148ea6a7c28012327bc3b43cef286ee91d04e147197bf50b2667e49bcad6a5de61c6277d4a32edf4359cf82aa9feb8bf737d892165007b6db493ad354daa1093bf39ca6e3dca355212b9275e794a5381d81b2848d22bc4af72483791ed0e2d944a1e17e52482949a12a76ff8ba9e272270857e24eb2396d31c09ce502d2c2cb474b7f4b652611c344b86d88bce587a802c6e0d0236c3463f11f86ea795520f69241d83a527cbf74cca10