kzw.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f9:f0:60:98:53:58:99:53:e4:0d:99:a1:98:c5:ae:11:44 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:f9:f0:60:98:53:58:99:53:e4:0d:99:a1:98:c5:ae:11:44Serial Number (int): 346386683427610833781617007963838796927300
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ad:4a:1c:76:7d:a2:0e:55:72:23:94:f7:ce:cb:e9:c7:fb:37:cb:2a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e9:b4:0c:34:c2:df:40:2f:d4:02:40:19:33:e3:08:d8:80:2c:f1:40
Fingerprint (sha256): 94:0e:7a:1a:78:5e:68:e5:fa:fe:5f:a3:77:6e:26:cc:af:27:0e:00:84:05:8e:a3:d6:6d:57:23:c4:6a:62:41
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----- MIIGRzCCBS+gAwIBAgISA/nwYJhTWJlT5A2ZoZjFrhFEMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MzAxMDUwMjdaFw0x OTEyMjkxMDUwMjdaMBIxEDAOBgNVBAMTB2t6dy5uZXQwggIiMA0GCSqGSIb3DQEB AQUAA4ICDwAwggIKAoICAQCahP5rrAX4S8kAzSIKszt1ooljZwfYsXJ2ejANOa3/ iLZTE+FVl4iOj6rH3sf5ociMnjz2r+V1scTjgBx4wBnvWG3HaKlqkgDauqtFk3+w 7pgCp3/x/rjsa1ygxKjVMT6b9OlsY1yZgWg0klBBUSYzRGQ2g+H8Un9qS05Nwx6v FQKFzUxBpDEPfFsu5CD+CKiQyAwBky++NuteWUUn8Z25XknLoon7OdJ/IUEb+hIT Wl95KBhI1ec41gGYB2LQV57hTX1ISn5fSr8zCXpB+fBy8Ubl1XQbNAM0j1uPyfqM atvIyJ5bZC4l/yxQqIrh03XuVbuxBOGoz8X0YSH4BXumHN/7Xn+kB5aWz+TqsUda bh0g7sDzpLkcBw2SvL2PJ6Ugwh5O53NjBY9MVGWSulaCyKZcLqBblLzgvAwesmM2 rFpkfq+GkN7MjWhcfyQaEnW/69VN6fP7Gd54IKtTjOAaahooYscN04Hqm4lO1RQp 32vxJZujUxJqLLwLnkOODE5eDIwB2g4AJsIWZIxGfYYN82uIURIsQpRhC6unqffp 27GTtrM2p/4eC6kSMUFRiNtiW08/rQGZOolBy8eNJE0fAWePt6mD1DmH07gPRz9R F2Or8p+Y1Tso+O2x71uuWAd85vvjO+E/pZW8MJ8FkXEopVGrDHPdvhSdnngkiIaK PwIDAQABo4ICXTCCAlkwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBStShx2faIOVXIj lPfOy+nH+zfLKjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggr BgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRz ZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRz ZW5jcnlwdC5vcmcvMBIGA1UdEQQLMAmCB2t6dy5uZXQwTAYDVR0gBEUwQzAIBgZn gQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgB0ftqDMa0z EJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAW2CAfAtAAAEAwBHMEUCIQC7EFDt zlAzVwLXPC+mob9CDxlwzWdsevVG3XT1oJ48XQIgObeSVP+wyHh5z7eg2jtRC/tT NJbrsNK1eSoGU8AgRFUAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0 eAAAAW2CAe5VAAAEAwBIMEYCIQD7bjRByG54GWjaX5jU/BOflia8lQHHyV/H7f05 9XlfvQIhAPOvNOI1kejxnBqxxA3SNHuSPvZBwmqgOCkO8YQIFf8uMA0GCSqGSIb3 DQEBCwUAA4IBAQArkS1xHII/AsXu9ys9WT4nynjs2deWl6MBYJ4hh9aMfIgXdegs mVDg++DZGvopKKr2ywXz0ktq6WsXL2CWvSDmfWl77wRLfGJxLtJhGiN9DoaGYIar 1Z5VAZqholmHi5ahI3261hlSOa1OtDzivPXaBrrZY6XJ+ICBxboGqkXDxEBbgO5P EuZjLCHyJT9vY70qtDhfXqef85rBPzY+nxNEY2eyOJjGEFSHodK1nw4EoQiyFgwI uhvzm9kMTzMBnRwuOTH/3e8yenHk3FRod/l6xmhu2uX+LKoZ/PsHirWWwvM3oYVf PdV9+IbrNd8UYZ8r7EJfjrdyQPVLr0CorbfU -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAmoT+a6wF+EvJAM0iCrM7 daKJY2cH2LFydnowDTmt/4i2UxPhVZeIjo+qx97H+aHIjJ489q/ldbHE44AceMAZ 71htx2ipapIA2rqrRZN/sO6YAqd/8f647GtcoMSo1TE+m/TpbGNcmYFoNJJQQVEm M0RkNoPh/FJ/aktOTcMerxUChc1MQaQxD3xbLuQg/giokMgMAZMvvjbrXllFJ/Gd uV5Jy6KJ+znSfyFBG/oSE1pfeSgYSNXnONYBmAdi0Fee4U19SEp+X0q/Mwl6Qfnw cvFG5dV0GzQDNI9bj8n6jGrbyMieW2QuJf8sUKiK4dN17lW7sQThqM/F9GEh+AV7 phzf+15/pAeWls/k6rFHWm4dIO7A86S5HAcNkry9jyelIMIeTudzYwWPTFRlkrpW gsimXC6gW5S84LwMHrJjNqxaZH6vhpDezI1oXH8kGhJ1v+vVTenz+xneeCCrU4zg GmoaKGLHDdOB6puJTtUUKd9r8SWbo1MSaiy8C55DjgxOXgyMAdoOACbCFmSMRn2G DfNriFESLEKUYQurp6n36duxk7azNqf+HgupEjFBUYjbYltPP60BmTqJQcvHjSRN HwFnj7epg9Q5h9O4D0c/URdjq/KfmNU7KPjtse9brlgHfOb74zvhP6WVvDCfBZFx KKVRqwxz3b4UnZ54JIiGij8CAwEAAQ== -----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 346386683427610833781617007963838796927300 . . . . . . . . [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 2019-09-30 10:50:27 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-29 10:50:27 +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 630384590738589394588698883279401565462014269992211450187195995853747567565628550535365918349056517831962429127426284507275734225523679911886140228968838915128039395190731726299112893384418333548521720461863546537954365459487079926460578685315171839963082957643849307130230163314094240760015738903189584791184914437687633307528015940566055481307218504851422233592532598446159823474936419999103585827911005646538735874643831576648687953754792008066370588641457659807691264245896395298063964539159340296230389387268419952059164730065018066884492862079795155747440091416992586533724515243188472381440154737483635488500896833635100476583674653957859306075608689225088371298738729360320408847271840767819275615159784719441754090033050757628907395509644813069801583488960211409420910539811842565125585500347763339162530354756767478781319807266048425629811996363035123034575883876453848002680019684195457148813653382578234957381976462449178982385338347985753211320601540581013883032075511723732858916068156697322281464927820731235781092129924418710249674478582017085747816260787306816720213850247230318101648448330698314721994386854797818487685382304814367756712078382534699542630022852635670910586233090834163110070873752505155929351031359 . . . . . . . . . . . . . . . . . . . . [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) ad4a1c767da20e55722394f7cecbe9c7fb37cb2a . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d8201f02d0000040300473045022100bb1050edce50335702d73c2fa6a1bf420f1970cd676c7af546dd74f5a09e3c5d022039b79254ffb0c87879cfb7a0da3b510bfb533496ebb0d2b5792a0653c0204455007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d8201ee550000040300483046022100fb6e3441c86e781968da5f98d4fc139f9626bc9501c7c95fc7edfd39f5795fbd022100f3af34e23591e8f19c1ab1c40dd2347b923ef641c26aa038290ef1840815ff2e . . . . [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) 002b912d711c823f02c5eef72b3d593e27ca78ecd9d79697a301609e2187d68c7c881775e82c9950e0fbe0d91afa2928aaf6cb05f3d24b6ae96b172f6096bd20e67d697bef044b7c62712ed2611a237d0e86866086abd59e55019aa1a259878b96a1237dbad6195239ad4eb43ce2bcf5da06bad963a5c9f88081c5ba06aa45c3c4405b80ee4f12e6632c21f2253f6f63bd2ab4385f5ea79ff39ac13f363e9f13446367b23898c6105487a1d2b59f0e04a108b2160c08ba1bf39bd90c4f33019d1c2e3931ffddef327a71e4dc546877f97ac6686edae5fe2caa19fcfb078ab596c2f337a1855f3dd57df886eb35df14619f2bec425f8eb77240f54baf40a8adb7d4