kzw.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:60:71:63:d7:8c:bf:44:4b:08:cb:18:10:3a:72:a5:24:9e 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=kzw.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:60:71:63:d7:8c:bf:44:4b:08:cb:18:10:3a:72:a5:24:9eSerial Number (int): 381266972124232971255830368787839586739358
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 22:9e:9b:73:28:25:30:4a:55:c2:07:1a:d5:8d:3b:02:da:63:bd:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 84:a2:db:e7:ed:65:db:9c:01:65:0a:3f:3c:d6:53:0a:fd:de:af:44
Fingerprint (sha256): c2:1d:e5:3a:4c:52:fe:3a:1d:4b:4e:07:c1:84:8b:d3:9f:89:26:12:7c:01:df:6e:99:c5:33:7d:a4:3c:5a:02
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate kzw.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kzw.net
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
kzw.net
Other certificates including the domain name kzw.net
(limited to 100 certificates)
Certificate
The complete raw certificate details for kzw.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGRjCCBS6gAwIBAgISBGBxY9eMv0RLCMsYEDpypSSeMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDIyMDI2MjZaFw0y MDAzMDEyMDI2MjZaMBIxEDAOBgNVBAMTB2t6dy5uZXQwggIiMA0GCSqGSIb3DQEB AQUAA4ICDwAwggIKAoICAQDeLDhcUztOve3BquYBguOh5OEbyKgh6bOHSz7JObQs TTCEv40PqDnknF3kMs5qfMcZR07EaVtvStiMT9HpcBraeVwt37/q+9AuNX9W7/P9 iomiAShoCJmGpqOb1lTs1tlogkEIiAvGnHTT/4Lrdz/OGn8L0cmDZHsj9AO0FEeg bK4W4Co2I9Ja7+UqSq0zOvwQqoGFPkglFCU9lp5U2Ov+Y+HhXg+GHcqbtXk2odJd mrqoRWgbLJbSwV8cSQVIaDwGqqZMZELMq9Mr8FHPWUzjDfeaz1EORKc3lwumdbGf qo6Ig9eX7i2+dEirrJLFOZXndr28kBLIcgi6BlwCvwYTj6tB1fbkamsXivX7GoaE zcYrLj1f70y8mUvsxCFptJd+o9Q/c7iaeIXoUSi9QJIl2e09XoRnlLKjTjChLamS z9T72VxFW3sobCvxO+dVSFUH9jatncm309Sm53Uc+uH7S0CVfjC5Y3yZpS2FWbAJ rNGQ/zsFUVSfnI0zTO5CMP0qLWf5ZzcvbXQ9OrbfIxeLsiTFW72yBv85QORGe3zF k2hU3wnjlSUJyuSXL8Y1Hzk6d+A6AxceWPzIvfG1bnBIY3X4lowfN0QA995fhd+1 z6Ew/cdUXfPJiCpA7dFGUbDkA8QOk+TXGUoFijGf4cRAjUoFOagfVXsnRlziW8oO wwIDAQABo4ICXDCCAlgwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQinptzKCUwSlXC BxrVjTsC2mO9NDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMBIGA1UdEQQLMAmCB2t6dy5uZXQwTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQBvU3asMfAx GdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAW7IgeYSAAAEAwBGMEQCID3owuDS rqCUaOUTxAj4lH+THESQW5wk2EueWRhVYDspAiBZv0j6fnQr8jq7c4vfYvDDR1xZ CT+H4z9U8PA1KdYuOgB3AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxhOhpp06Ic AAABbsiB5iwAAAQDAEgwRgIhAPQDzckUlW60TwrnuaTi/NYKeet02WY+VVoJFYli laHsAiEAqNX2qTs/DeuaWqD7B+btikazE3SeLT2o4sERvSZ2cCwwDQYJKoZIhvcN AQELBQADggEBABTjgcUQtfAxtVa9GfafS7Te/WGCyHwKCbQOath993NcCOk3ug/Q sHw1ihjnwyNVJZ7wQKtwcXlkch9kiChK/qqlMrajeQ7xPtJLh4JYSIGF+JchNPMw OpN5DV3tKUu9IBZum1OByIyb6OyxMlX116YYlWqnBGy8qKkbgESUxsXWHLXpvWbr 4R7EAkoXWqXCmQWL7kaGvOlOniT2vcX6ZYWFKNW9ZMaX2bweBl0r3JvTUve1NZgy hRD4J3X6HfwftV72G4yyWOysuE5oVhddzcIDhmEeMNxy/X45dozDMpOJPBgOkBQy aX4OJfN970oPfknl0HkPaZW0wtxlGJb4ZxQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA3iw4XFM7Tr3twarmAYLj oeThG8ioIemzh0s+yTm0LE0whL+ND6g55Jxd5DLOanzHGUdOxGlbb0rYjE/R6XAa 2nlcLd+/6vvQLjV/Vu/z/YqJogEoaAiZhqajm9ZU7NbZaIJBCIgLxpx00/+C63c/ zhp/C9HJg2R7I/QDtBRHoGyuFuAqNiPSWu/lKkqtMzr8EKqBhT5IJRQlPZaeVNjr /mPh4V4Phh3Km7V5NqHSXZq6qEVoGyyW0sFfHEkFSGg8BqqmTGRCzKvTK/BRz1lM 4w33ms9RDkSnN5cLpnWxn6qOiIPXl+4tvnRIq6ySxTmV53a9vJASyHIIugZcAr8G E4+rQdX25GprF4r1+xqGhM3GKy49X+9MvJlL7MQhabSXfqPUP3O4mniF6FEovUCS JdntPV6EZ5Syo04woS2pks/U+9lcRVt7KGwr8TvnVUhVB/Y2rZ3Jt9PUpud1HPrh +0tAlX4wuWN8maUthVmwCazRkP87BVFUn5yNM0zuQjD9Ki1n+Wc3L210PTq23yMX i7IkxVu9sgb/OUDkRnt8xZNoVN8J45UlCcrkly/GNR85OnfgOgMXHlj8yL3xtW5w SGN1+JaMHzdEAPfeX4Xftc+hMP3HVF3zyYgqQO3RRlGw5APEDpPk1xlKBYoxn+HE QI1KBTmoH1V7J0Zc4lvKDsMCAwEAAQ== -----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 381266972124232971255830368787839586739358 . . . . . . . . [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 2019-12-02 20:26:26 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 20:26:26 +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 'kzw.net' . . . . . . . . [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 906385680398949663737242938958361856303849837486876772154944324911578780113221747071412200367552020542387357490424733451671030596854199561513880548499506295884492186927550207359256937556612705669405952889495301476605058665850407842868164876450618407872048335715052888949714893499122713455787467548246404414696288438574090471738915614241237764604515854298998510557447265572059458639680062392918939608892416457988457776972743347809574376823932757744503271786689132669283993779419864126476293974401538252203549427880123893209043756140935080742011490985765796046950798534409933607018808407422305891910384241289932276447359287015402690392096166486415947598223898434198980532398577253527081382294365095114103519176235359160100497986644759708507860196063057528563706424544075635375319040521629540833773623308760365651862489245613238086020659326683223257548652970468176880415268165334369439837638219883684170070255639780488893898997035669491148002986825930463515980183124596278254212467929822490969165300339707069993854033162890152515037007763681039639284968954182063700494408387440210435492353477314620674291931701279955912055547916714171775490529038361476837394289813831145650701409344270418983733808940118542802044421518671031948819435203 . . . . . . . . . . . . . . . . . . . . [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) 229e9b732825304a55c2071ad58d3b02da63bd34 . . . . . . . . . . . . . . . . [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 (11 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kzw.net' . . . . . . . . . . . . . . . . [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) 00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ec881e612000004030046304402203de8c2e0d2aea09468e513c408f8947f931c44905b9c24d84b9e591855603b29022059bf48fa7e742bf23abb738bdf62f0c3475c59093f87e33f54f0f03529d62e3a00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ec881e62c0000040300483046022100f403cdc914956eb44f0ae7b9a4e2fcd60a79eb74d9663e555a0915896295a1ec022100a8d5f6a93b3f0deb9a5aa0fb07e6ed8a46b313749e2d3da8e2c111bd2676702c . . . . [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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