kzw.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e0:6c:6d:0d:f5:df:ad:fe:bb:ad:46:f8:b2:5f:da:c3:14 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): 03:e0:6c:6d:0d:f5:df:ad:fe:bb:ad:46:f8:b2:5f:da:c3:14Serial Number (int): 337704230852624757133919276792965110612756
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: bc:11:6b:2e:24:9c:1d:fd:21:24:fb:74:60:1b:87:aa:c0:93:77:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a7:81:46:75:bc:bf:dd:e1:ff:cb:d1:6d:d5:79:28:d4:c2:f6:d7:d0
Fingerprint (sha256): 24:9b:95:87:cf:c6:4f:6e:83:cd:96:7d:29:92:c0:9b:31:c8:8a:b1:5e:7b:7a:01:14:5c:18:22:8f:53:46:1a
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----- MIIGRjCCBS6gAwIBAgISA+BsbQ31363+u61G+LJf2sMUMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjgxMTExNTBaFw0x OTA4MjYxMTExNTBaMBIxEDAOBgNVBAMTB2t6dy5uZXQwggIiMA0GCSqGSIb3DQEB AQUAA4ICDwAwggIKAoICAQDDnkYiW1XNZyBhY36uP5tVuTAzQp+i42WARqLf7o4A fgFNCWYLo8D7v+KRlJ2LgCFA7W0R6iIYDYBrYC/Ko5W3QskZi/P7lpnOFEU69JLs HOcUZN79msx3rDZC/ks12tAQOqlZbyv3hRKKmzLtB8ixBRyZs9WnMt69HPjh3waG QYMctQ6TbFWFLZ0OqxE2HSUY+a6j9nuyko56foYjzzxIhkgsyfibUJUiFfpW4sOc bkHMIBJou9U8sTTaJz0r6+JMwBtgtUXHcCkuDzPZcYCiqrKbiP/PmuHwssEW3EKY 7p0LLrwJ41ieC3eETKcsx+GB7MPdWbHBUyRVLIIU0mwhxkEgyN1pP+eusheqD/j/ MOnKUSfsPc8A/uhVrlpv4l8+Cdw4o0YeV4+5T8fnPn9fk9JskEfg+7LyaFQKU9Hg vw7n5CJuN78g8yLMWi+KZvylg0TDW+v+jgwntoxktIT/PyEjEnyEgtLPtk60dFJE 5jo/CkSyIQdSh6xr3nwzJ0a1BwzFURhOXtQUDpJqCdvUEtRyeljbALVgLFYgyY+u f3aOE4rVn+yftQ+Zak/bOKmGftDzJIqUC01mwEKyxR0SGgSXJVAWCsG84TZBnX8d glGdp/UwBnUpdXyAdEEphnr9sbgNpRNKTIJsTZI6rHaJqtNw18AFPZPQBGtwn3r/ 7wIDAQABo4ICXDCCAlgwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS8EWsuJJwd/SEk +3RgG4eqwJN3bTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMBIGA1UdEQQLMAmCB2t6dy5uZXQwTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgB0ftqDMa0z EJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWr+WpS/AAAEAwBHMEUCIQD9euJB Zs6wI5my908nlJaOf7EGKYI6gwOWZ7urt1/I0wIgQrUna6ITRBSpnl+dbkwwPyC/ Dak2HDeF/BCdVWwA1a4AdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0 eAAAAWr+WpS1AAAEAwBHMEUCIQCYFk0ynosmFmFEezsVUq7WIkuesIVEOED4P8WG NZ/yOgIgOFdfYYCwCJ+e2szE7YTtJeeccWyZVwFF/8xhP0sm2GQwDQYJKoZIhvcN AQELBQADggEBADtTLBp98Bl/ADthqhQx2nOb9NPf/BdSXlKASKYhKUXN0DKAmyBo SE9SuT62T+LePHCQsi4VG+NXYVTXb90JJH6lciw4bAK7nse981HdkIn5aXiZKrUl tGAj8+nLhLP3Qpzw/S1BpD9cQmVyK+REZVplcBdwISwKDG7MH4d6iJGsR2kjU/Os DkSl6qkmEVuHsA+BI5bnW2a5+VrDtZrXzj7sk+kpSzvvrLWQd+ifwqOZmDG0wUp+ YbZNmKUug97tPbzOa853RaVZ4+QoVisVj275ObLBSYjvhX0xejgR42hfdxhq8IP0 HhdXiJxYzeuZXMk+bivaDr+OZcx73XmOs6Q= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw55GIltVzWcgYWN+rj+b VbkwM0KfouNlgEai3+6OAH4BTQlmC6PA+7/ikZSdi4AhQO1tEeoiGA2Aa2AvyqOV t0LJGYvz+5aZzhRFOvSS7BznFGTe/ZrMd6w2Qv5LNdrQEDqpWW8r94USipsy7QfI sQUcmbPVpzLevRz44d8GhkGDHLUOk2xVhS2dDqsRNh0lGPmuo/Z7spKOen6GI888 SIZILMn4m1CVIhX6VuLDnG5BzCASaLvVPLE02ic9K+viTMAbYLVFx3ApLg8z2XGA oqqym4j/z5rh8LLBFtxCmO6dCy68CeNYngt3hEynLMfhgezD3VmxwVMkVSyCFNJs IcZBIMjdaT/nrrIXqg/4/zDpylEn7D3PAP7oVa5ab+JfPgncOKNGHlePuU/H5z5/ X5PSbJBH4Puy8mhUClPR4L8O5+Qibje/IPMizFovimb8pYNEw1vr/o4MJ7aMZLSE /z8hIxJ8hILSz7ZOtHRSROY6PwpEsiEHUoesa958MydGtQcMxVEYTl7UFA6Sagnb 1BLUcnpY2wC1YCxWIMmPrn92jhOK1Z/sn7UPmWpP2ziphn7Q8ySKlAtNZsBCssUd EhoElyVQFgrBvOE2QZ1/HYJRnaf1MAZ1KXV8gHRBKYZ6/bG4DaUTSkyCbE2SOqx2 iarTcNfABT2T0ARrcJ96/+8CAwEAAQ== -----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 337704230852624757133919276792965110612756 . . . . . . . . [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 2019-05-28 11:11:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 11:11:50 +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 798052864471527001792677861626249581536990108021332178217443370004114016593513655367942397506042589821891122949593141818495669166054042029781713106955328627728019813724803252008232936347814947522123606126112916606028248584854736404648863436716894758094341007905664243576103511520282470090533891909318069324255488983891964725818752721116837568099964748469016994370407471707847518976986677069694024060084713886650129021310090599211558289690636846466590811758048329964487368873980215821312510901525087762628985748557248893562012275451573078773643199427252615060289634931926947973445522270412901710780438234492359783509082272541730641199650422028129805406370154068172444488900936805856894786693498077117704497250132687965587842632819911081691403238302596078548765253509591610703862987228291326588979182035944804122891544744392441917988987814042646402859529531783575714129768851013549079380849217974832380737054804063535536029844232300987512947659896446814384338277747545073332750625469847938597587857592790474681478743086413832960110488418585543064852918959373413681967888783968414641135084712775039579602604935880643634020480291959525095412052796827801170012987423645336002417347514924471133278997346541414913729802083013834405471518703 . . . . . . . . . . . . . . . . . . . . [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) bc116b2e249c1dfd2124fb74601b87aac093776d . . . . . . . . . . . . . . . . [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) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afe5a94bf0000040300473045022100fd7ae24166ceb02399b2f74f2794968e7fb10629823a83039667bbabb75fc8d3022042b5276ba2134414a99e5f9d6e4c303f20bf0da9361c3785fc109d556c00d5ae007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016afe5a94b5000004030047304502210098164d329e8b261661447b3b1552aed6224b9eb085443840f83fc586359ff23a022038575f6180b0089f9edaccc4ed84ed25e79c716c99570145ffcc613f4b26d864 . . . . [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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