www.kak.me
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:fb:6d:60:af:27:c9:2d:78:aa:63:6c:9d:1f:c6:56:50:46 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.kak.me
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:fb:6d:60:af:27:c9:2d:78:aa:63:6c:9d:1f:c6:56:50:46Serial Number (int): 346893119757049109878339273954988788174918
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: f8:bc:80:2a:14:82:ea:80:c3:97:af:8e:68:1a:fc:52:50:cd:38:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 83:b4:cb:20:7a:72:9f:a3:02:78:89:7d:25:fa:ad:e0:52:bc:a8:11
Fingerprint (sha256): 44:81:31:a9:18:04:60:d8:f5:d8:3f:f5:14:e7:99:b9:1f:80:41:5a:94:1a:35:ce:66:99:74:34:a6:1b:76:93
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.kak.me
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.kak.me
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.kak.me
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Certificate
The complete raw certificate details for www.kak.me in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTTCCBTWgAwIBAgISA/ttYK8nyS14qmNsnR/GVlBGMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYwODI3MjJaFw0y MDAzMTUwODI3MjJaMBUxEzARBgNVBAMTCnd3dy5rYWsubWUwggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQC7rN1D9i5ox+vL2Y+YSh9hsB0WbxelO0d/Q1oV V6fc0ngpGnjgWi8LfcWI3MDa79AuIk+DAA6cqfi2Ep4pe1zUyY6YSivj11FnzJdL dNST+/yqfFLpMacTIU4TYoLO361AueiYj90RH2fZQyZPyEa6o0H9qabWK9lyehtJ ckRtf4ky8i9ItytVnvvW+pxCnE/BMtUlYL2s2MQiPsYHwDvuC746XowMvE8hKBdV 7xcL4eCrYF8ZuJdFEBTC8FaPog4k9M5JTKEV79aM8fKgj24I2vkILrueAeMqTq6Z VhSZRUEy+zArwUuJaKElMP4PdJ8GmpOSAx7xkms4YV9MlhR1PQZKRH3t9ghZmii5 lRL/ge7sgAK9XaN+4SQbcYYDyBmgGDebs97eOtL052blv1qZHLiwN+kVMsz5XsNr dMGHNophnTdjvTknqge6DRB13UmoX0MVThUl9pytIJb3/EBJfvqeCHZlflz8tGKl QeVAgH0YT4B6zsf7TjfRT3m4LAjNEal+YFWiqYW8SA0bt618qYQh8Ej/VNZFIEfe enDh3eE/LuKC9R75YKwzC6jCm3GKh11i6Pb94CVq6rt4EAbp17y0i24GQQX02E5L gUkzNfuVX33r8+enhv0wtU+jb+nuGJSTBSrr/tLZbosTtxMP1P83wRj/Y9foyTcQ kKBAXwIDAQABo4ICYDCCAlwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBT4vIAqFILq gMOXr45oGvxSUM04NDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMBUGA1UdEQQOMAyCCnd3dy5rYWsubWUwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwCy HgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW8OCJwBAAAEAwBIMEYC IQDVFBWDEYlpNyIHL94PNyvbYqfync1cw4kKQu8fYoHrqwIhAMf1dOwwqRcyebS9 nAErm6D3QDaXH2tRmjYRTY+p+2bkAHYAb1N2rDHwMRnYmQCkURX/dxUcEdkCwQAp Bo2yCJo32RMAAAFvDgicOgAABAMARzBFAiEAskAzZZx905gVxI1crCtiG+rIkpgF okSWRlb0xzse6zkCICZ6cEPZmnyNjzmDoYiAPprrai067lo64WOf4VzD7bHpMA0G CSqGSIb3DQEBCwUAA4IBAQAJGKIA5qm/TYBiJzsItMZwH90bbAXXmxiMeB0j1qCG KZ9nYPc3NDf+9tv+pPcufbuoutHMtQv2cPDHqM97fR3rdvCOT75UstZehr0jnQ0P SSPT+od5dWr4hChtR9d272vGaAaiJb94QRwpdNFlbJVjLKA7rh9cX5zUsmCSr8ZS o6KjuQwM+nDM4/7Bb2gvGbgjcwARAAE7kSHrroogEQu71Zc+t0fwrKMhWPB9oVuQ EBKv9XUGSqmdV3OPbRZmG15tyZ2r+cS3N4gRzQjrDZJ8U/1tLY6NMBjEha+4TOY/ XwGz4/07SlkXZ1ZgAcQZKEMskav6LQlrGZgecRqpe85C -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAu6zdQ/YuaMfry9mPmEof YbAdFm8XpTtHf0NaFVen3NJ4KRp44FovC33FiNzA2u/QLiJPgwAOnKn4thKeKXtc 1MmOmEor49dRZ8yXS3TUk/v8qnxS6TGnEyFOE2KCzt+tQLnomI/dER9n2UMmT8hG uqNB/amm1ivZcnobSXJEbX+JMvIvSLcrVZ771vqcQpxPwTLVJWC9rNjEIj7GB8A7 7gu+Ol6MDLxPISgXVe8XC+Hgq2BfGbiXRRAUwvBWj6IOJPTOSUyhFe/WjPHyoI9u CNr5CC67ngHjKk6umVYUmUVBMvswK8FLiWihJTD+D3SfBpqTkgMe8ZJrOGFfTJYU dT0GSkR97fYIWZoouZUS/4Hu7IACvV2jfuEkG3GGA8gZoBg3m7Pe3jrS9Odm5b9a mRy4sDfpFTLM+V7Da3TBhzaKYZ03Y705J6oHug0Qdd1JqF9DFU4VJfacrSCW9/xA SX76ngh2ZX5c/LRipUHlQIB9GE+Aes7H+0430U95uCwIzRGpfmBVoqmFvEgNG7et fKmEIfBI/1TWRSBH3npw4d3hPy7igvUe+WCsMwuowptxioddYuj2/eAlauq7eBAG 6de8tItuBkEF9NhOS4FJMzX7lV996/Pnp4b9MLVPo2/p7hiUkwUq6/7S2W6LE7cT D9T/N8EY/2PX6Mk3EJCgQF8CAwEAAQ== -----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 346893119757049109878339273954988788174918 . . . . . . . . [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 2019-12-16 08:27:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 08:27:22 +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.kak.me' . . . . . . . . [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 765648225448559080753626315292013058904366441166697905939219189631815529415754937837294143855970088975210679169672944688828651872394120728648460958712561908177736978942783668013712530260621889690459018134430828852788542664013962661733954367365126553478108932821903814885873818346818920427085836111627245465231864676492121633868887093567690816717514863677431247329937327071946429695941791099213348748306499351778254049826197249301166456899657086596487870349900435887805056143707886724051381038007876524627146050847196641959024120711132616994392205316621019613281223146865408935533730593405852440679172410470575148382383849344930152457001510972445016158059514066886895836440615277929741740825291458355889291233058791146199487071731069008243403494571977406305207466398655102424844289275518899103531620379689493856115797248359289028593907067711988161756333046502265404812542068208716472879051186587772879135386017799010232527847970835197319288524110704486261282363026546408108725041408876713041830788634739585878938144263386769856629181404212023898998403087002157052607106566925708821955702767958946718187593510704367753652356579910843016209072270262967321536155579509688490567627567178787695248571892468204000372634108494144421213782111 . . . . . . . . . . . . . . . . . . . . [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) f8bc802a1482ea80c397af8e681afc5250cd3834 . . . . . . . . . . . . . . . . [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 (14 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kak.me' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f0e089c010000040300483046022100d51415831189693722072fde0f372bdb62a7f29dcd5cc3890a42ef1f6281ebab022100c7f574ec30a9173279b4bd9c012b9ba0f74036971f6b519a36114d8fa9fb66e40076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f0e089c3a0000040300473045022100b24033659c7dd39815c48d5cac2b621beac8929805a244964656f4c73b1eeb390220267a7043d99a7c8d8f3983a188803e9aeb6a2d3aee5a3ae1639fe15cc3edb1e9 . . . . [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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