www.kzw.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:69:e8:df:5c:ea:90:3b:f2:ad:4f:d7:3e:a3:92:3f:d0:70 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): 03:69:e8:df:5c:ea:90:3b:f2:ad:4f:d7:3e:a3:92:3f:d0:70Serial Number (int): 297376046983766544230939771494781320941680
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 06:e3:7e:28:68:be:66:31:a2:15:da:5c:d8:80:3b:fd:aa:1e:56:7d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 80:3b:17:13:63:53:40:cb:00:64:23:35:d4:70:fb:c8:7d:77:35:39
Fingerprint (sha256): ed:24:4b:98:23:31:a9:05:2b:31:06:f8:e1:63:ee:f0:20:fd:92:21:c5:ba:e4:8e:74:a0:81:12:9d:82:71:21
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----- MIIGTDCCBTSgAwIBAgISA2no31zqkDvyrU/XPqOSP9BwMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjgxMjA4NDNaFw0x OTEwMjYxMjA4NDNaMBYxFDASBgNVBAMTC3d3dy5rencubmV0MIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAuTVjWoPh2JTrOhZWBnO3KHbCiMdakTBOKsuL ghG5SW0Op/Gf5FKGU0YNBnJuQ4/VTuokp6Xq7ujIMMaFY5Ypo4vWJA7oCFfD4PwV 5fUlbqr4Zcr4atXFSpLCW6hETk+mDLxIMEO9n6jwbRc1vnVz9dYYA1T8wcl0kYF2 w9O19Cy0jn+miNzOxBCOsRpCkthgMR7fITsp6pPijRFaVe24EC6xuASP6boT5NAO xjuAvHGMVyXVQZQV7vQWRe1Bcpkdl1HmsuRPTuteG9BXupxeqx6YlaYcsCALNO2Q uNGdCahwx8VQCDsGIstiLuuRRaYdKjjBVTTvqij4RI5gkkrMfpskoox7RawcMKlP 6XdEu3L0POr5574MeC05M69YEtekTHWFa/8q6x+jZuFg9PdMl8f9UDCaBj9u2UvB HcFAyYrpGOUZAkNE3bVSN6K87iubp47W6OOr0cli7TDZwtKrND+XcYdZn+uew0g3 ujnsOT1p2xV8Uy6DLvmt/N6ZqD8B9Xgk7iEr6k3pxf/dDMs/ny/aUYmuoX6QGj5u 9RFl7Ig2xHMPiE3k+3mDAxzTW06SL9OZKuuDpbEyqUlJUQhY7QTlErvc/UuoHT7+ vrVSgPnzoQHoauTnxZwsGyqSoAyGyO88D9W9J5blI6hFYqD8wwwilzAvHbiLlvXV aVsIZVkCAwEAAaOCAl4wggJaMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUBuN+KGi+ ZjGiFdpc2IA7/aoeVn0wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggt3d3cua3p3Lm5ldDBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1 AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABbDiymJcAAAQDAEYw RAIgNsND3tkTpBLD5se3y2JIV+ASuL79iqXp3nt1CTRN864CIGV6B8/WNPV0tO7F ejvuuDibtusrqFGOfZ1dGoQzYVE+AHUAKTxRllTIOWW6qlD8WAfUt2+/WHopctyk wwz05UVH9HgAAAFsOLKWwQAABAMARjBEAiB02hqBswZk2BveH42o3gwKoCQnv0Bq IhWXCA2DZ9rcLgIgc+0jHpnaVe8Io/1aqCO6esgAPRBlnCZH9CNvMaQQyf8wDQYJ KoZIhvcNAQELBQADggEBAFo1o9IVIOAOxTQ34rByYmh0QgDcYaeA4c5LrJ/5Y+NE PfDUrYzsd2pc173n10FaKDGHjBTLgrhkxrTvs4e36YXGUv7yEsiR9+3nhgNQnHoZ lmnSf1ayH99rpAtMj5siHfznODjcunTpU1g/yLA4HlBlTTjWsSep8sasQNG7ldx8 uFt9kxQwg6kzBuTFq+zji/ZUE5WWGIL2WhggmsL/cs7fj8Uz+ionzcObd/fm8aVI hGSNs4xh0NH4Y04ciAUqr8wBr3izgL/ApJg0f85RxIuXOUkkUrZSieA/9mHMMRim xXrq8AH2SYDC8R0SNHw5wBCvtm6VKaIknlcQnGcAXkE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuTVjWoPh2JTrOhZWBnO3 KHbCiMdakTBOKsuLghG5SW0Op/Gf5FKGU0YNBnJuQ4/VTuokp6Xq7ujIMMaFY5Yp o4vWJA7oCFfD4PwV5fUlbqr4Zcr4atXFSpLCW6hETk+mDLxIMEO9n6jwbRc1vnVz 9dYYA1T8wcl0kYF2w9O19Cy0jn+miNzOxBCOsRpCkthgMR7fITsp6pPijRFaVe24 EC6xuASP6boT5NAOxjuAvHGMVyXVQZQV7vQWRe1Bcpkdl1HmsuRPTuteG9BXupxe qx6YlaYcsCALNO2QuNGdCahwx8VQCDsGIstiLuuRRaYdKjjBVTTvqij4RI5gkkrM fpskoox7RawcMKlP6XdEu3L0POr5574MeC05M69YEtekTHWFa/8q6x+jZuFg9PdM l8f9UDCaBj9u2UvBHcFAyYrpGOUZAkNE3bVSN6K87iubp47W6OOr0cli7TDZwtKr ND+XcYdZn+uew0g3ujnsOT1p2xV8Uy6DLvmt/N6ZqD8B9Xgk7iEr6k3pxf/dDMs/ ny/aUYmuoX6QGj5u9RFl7Ig2xHMPiE3k+3mDAxzTW06SL9OZKuuDpbEyqUlJUQhY 7QTlErvc/UuoHT7+vrVSgPnzoQHoauTnxZwsGyqSoAyGyO88D9W9J5blI6hFYqD8 wwwilzAvHbiLlvXVaVsIZVkCAwEAAQ== -----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 297376046983766544230939771494781320941680 . . . . . . . . [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 2019-07-28 12:08:43 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 12:08:43 +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 755584951197267541122447471927841831607511438901597752145542311617743318016203333194891074109895845174106066156048349060424674199055549087658892528297340715219834669986052493495811829542200183261131349335093060149753911614643586386982263557930346669771209163223099057114893114624641408530750656572961135167509418829944145471825882420432601320587310563819634072885891742620202179486617178336626806603576071231625043751713799403244542321879749404780052925392440471976409142339480267616415849308290336115220415216956014742405731383013678200572876286562752527700285369216086209192666706926963450556213563476064191753254778375031238418234276441799319204235504167757741901190152325197580595467739218487878368382551621026308373262538279522540977472815405946071649786573201221682159119313810403971712076587615991500884511502699488050176446923389083387087499268352489534961364129942590830524427489245600506029456226683154032599213476375515967153999692229145705650279298441899081984421459502564858535245782077966155843978350413864646568274389423855356519597587629321308644441317248042175915254889883420656453296907073601307150462936743681192723203025750060330358377062899213422340960360916040739539081561172282283337877996116842278359805748569 . . . . . . . . . . . . . . . . . . . . [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) 06e37e2868be6631a215da5cd8803bfdaa1e567d . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c38b298970000040300463044022036c343ded913a412c3e6c7b7cb624857e012b8befd8aa5e9de7b7509344df3ae0220657a07cfd634f574b4eec57a3beeb8389bb6eb2ba8518e7d9d5d1a843361513e007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c38b296c10000040300463044022074da1a81b30664d81bde1f8da8de0c0aa02427bf406a221597080d8367dadc2e022073ed231e99da55ef08a3fd5aa823ba7ac8003d10659c2647f4236f31a410c9ff . . . . [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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