www.kzw.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:fb:20:be:31:55:83:28:29:e8:d0:c8:0c:04:ec:75:5c:0f 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.kzw.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:fb:20:be:31:55:83:28:29:e8:d0:c8:0c:04:ec:75:5c:0fSerial Number (int): 346791254725317588678236482561766401072143
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 67:d9:07:ad:16:ad:45:22:07:3c:f2:6b:5d:b9:16:77:8f:d9:09:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 07:85:c5:c1:54:cd:a2:25:6d:5e:dc:66:a1:d1:36:9d:a6:82:45:7e
Fingerprint (sha256): 44:26:7a:00:df:46:25:1d:02:b4:65:71:32:23:3a:41:1c:2f:72:74:c1:86:d0:4a:0f:98:d0:52:c4:cc:70:51
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.kzw.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.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
www.kzw.net
Other certificates including the domain name kzw.net
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.kzw.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTjCCBTagAwIBAgISA/sgvjFVgygp6NDIDATsdVwPMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjgxMTExNDJaFw0x OTA4MjYxMTExNDJaMBYxFDASBgNVBAMTC3d3dy5rencubmV0MIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAxxj93xbuzv7XvPAcSNVnFyWZv0FgbgDUjXL8 J/MfhlAPo7xSioJHbf/zBBs7ekrwJV56HQU/v0I/kjgUvjxvdrCTCk8kt29BvWiV 7uYzHG34NvwqFvfLSP1ySeZp2km/vw+Vi9u+PhAf9iBUAzbqqsKEGyZOv8HcZGaD BJreD8fTnGywylNQmBTEPAk3lCIThW0wKAPQXzxkLpslrT6PdKBgc5zopwvXHgfv 8j8vkSBRnZ9JHt+Xeyd5DdEULf61OntxpSLTwLM3/hJ9JZd3pi1GQa8FzgqYL0DD OLvH82bjHERd59lRwlzchU2D9wD+LUTA1XAGj5yKCK5NxUyMay4ADqD+GDt4SC8V unMZv8Ko+cE4o8RiKUu0Y3lm7zevR73gDqrW6vEuMDovMaaUY0nAW0bU8r1syjwp JJPBX/Bv8qQd/xsk/Xhyjah3FqtnbBCE66tUQCIEQMJ2RipGGrwvex+ZNNixaB+t ex3XxUAfY+A6emy0WAfnKUD5G9sdv5fyxFYs4FC7+oCH6GFVxu+4LjuWUpxoOA+W 3lrL4IB/nBMUtj+DiceFZLs9eJWnugC1SS/iJv1uySaTbNQrFsKBYC7VUYJkLcjG t191owy+Omw7Xd/a1N+a5f8cVyFCF/ggdgXXzU6jb8EvJihcDvzcha/W1uJymZd9 XSUe+90CAwEAAaOCAmAwggJcMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUZ9kHrRat RSIHPPJrXbkWd4/ZCbMwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggt3d3cua3p3Lm5ldDBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2 AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABav5ad+0AAAQDAEcw RQIhAIL1l1LaAB6UKEGpnPTZFRDxZCRkhMG+ypMq40gNblGiAiB1VxBU+Ql6OQ1i 4+UnKeQ8YtXc2X814l8mrlwa4fG4uwB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLc pMMM9OVFR/R4AAABav5ad9wAAAQDAEcwRQIhANXo1II9D08QZIb87uUVQ9uShCVs ullNCfpFOO8fIyMcAiB3KGqZHpCOljtLrkVGfNz3Q5JYacn2ij4tSctmPwxp5TAN BgkqhkiG9w0BAQsFAAOCAQEAhvLZ5Mg2BPY77N1QlsxCmMAE4jnyloEDUW8SeX4J S1k2Xo1Kay3AGhbehoh0h+jIIE0IQjorqX3vZ7MFGpxeQjsr6aJLMfSdM9uZagPJ tsgofCR6/975c/2KiEroLBw4fApWrHsS+6BNGk24FPkOO6LVNoPJIqiaBRe7FSWY eGfg/AP/qRZ86x/aEVqpMIAlkN4TM1bJLzI196gxjZEpdRI6gqthpLaQwGxc2Rza VhbbyeDB1zjmp0U3fdmHAaoeRC98YyjTXASKh8JMRVqtxsBOcNfffqYk5yYV2mln or6TxiytOhsl8hE3rxbDFruElbpKG4otQKPcvsBx+VvTEg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxxj93xbuzv7XvPAcSNVn FyWZv0FgbgDUjXL8J/MfhlAPo7xSioJHbf/zBBs7ekrwJV56HQU/v0I/kjgUvjxv drCTCk8kt29BvWiV7uYzHG34NvwqFvfLSP1ySeZp2km/vw+Vi9u+PhAf9iBUAzbq qsKEGyZOv8HcZGaDBJreD8fTnGywylNQmBTEPAk3lCIThW0wKAPQXzxkLpslrT6P dKBgc5zopwvXHgfv8j8vkSBRnZ9JHt+Xeyd5DdEULf61OntxpSLTwLM3/hJ9JZd3 pi1GQa8FzgqYL0DDOLvH82bjHERd59lRwlzchU2D9wD+LUTA1XAGj5yKCK5NxUyM ay4ADqD+GDt4SC8VunMZv8Ko+cE4o8RiKUu0Y3lm7zevR73gDqrW6vEuMDovMaaU Y0nAW0bU8r1syjwpJJPBX/Bv8qQd/xsk/Xhyjah3FqtnbBCE66tUQCIEQMJ2RipG Grwvex+ZNNixaB+tex3XxUAfY+A6emy0WAfnKUD5G9sdv5fyxFYs4FC7+oCH6GFV xu+4LjuWUpxoOA+W3lrL4IB/nBMUtj+DiceFZLs9eJWnugC1SS/iJv1uySaTbNQr FsKBYC7VUYJkLcjGt191owy+Omw7Xd/a1N+a5f8cVyFCF/ggdgXXzU6jb8EvJihc Dvzcha/W1uJymZd9XSUe+90CAwEAAQ== -----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 346791254725317588678236482561766401072143 . . . . . . . . [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 11:11:42 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 11:11:42 +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.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 812247439773480154653804051351710987775268800689520959841309105869684359088738632309170919016392491898670499065778500573931459954364690944548494066063641409090195172006644341290625315558705449409488051040060655575373909177785555679018355804558203049248220584813098920925808947599108714556748439605919844835471256665869026226711275949539206480752349768568706978409407881281240716428164812265238604314215560452932417666850524817148028431875910180138084859403775458056753424664876645062149038178413698727924576766371974309942802734472928127462705015662401701720564843715862816994372164796456842943434240975434546280287502198769686038337739251103205054065041937909235507786786503609723137828909634652571231014969827888175391128415786391920413737291691268141724431288925780155608997330660017764696892704348602506389022878078036705206379013371067846956745386109031588863475316943212059210837818833718382512281779209059856763344976397936737390220623105100999635270375165602970358218607695374550623260972753497314440890090929437307098137224813993539486691499660354658986849931408482325710485924179432969178740044961281428558780135112599761816309454407219886186080698787816179062282172751034206136644153214237096636309719189549122360300207069 . . . . . . . . . . . . . . . . . . . . [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) 67d907ad16ad4522073cf26b5db916778fd909b3 . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afe5a77ed000004030047304502210082f59752da001e942841a99cf4d91510f164246484c1beca932ae3480d6e51a2022075571054f9097a390d62e3e52729e43c62d5dcd97f35e25f26ae5c1ae1f1b8bb007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016afe5a77dc0000040300473045022100d5e8d4823d0f4f106486fceee51543db9284256cba594d09fa4538ef1f23231c022077286a991e908e963b4bae45467cdcf743925869c9f68a3e2d49cb663f0c69e5 . . . . [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) 0086f2d9e4c83604f63becdd5096cc4298c004e239f2968103516f12797e094b59365e8d4a6b2dc01a16de86887487e8c8204d08423a2ba97def67b3051a9c5e423b2be9a24b31f49d33db996a03c9b6c8287c247affdef973fd8a884ae82c1c387c0a56ac7b12fba04d1a4db814f90e3ba2d53683c922a89a0517bb1525987867e0fc03ffa9167ceb1fda115aa930802590de133356c92f3235f7a8318d912975123a82ab61a4b690c06c5cd91cda5616dbc9e0c1d738e6a745377dd98701aa1e442f7c6328d35c048a87c24c455aadc6c04e70d7df7ea624e72615da6967a2be93c62cad3a1b25f21137af16c316bb8495ba4a1b8a2d40a3dcbec071f95bd312