www.chemdisk.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:6d:e1:f9:90:52:81:08:73:f4:5c:21:dd:9d:27:5d:07:9b 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.chemdisk.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:6d:e1:f9:90:52:81:08:73:f4:5c:21:dd:9d:27:5d:07:9bSerial Number (int): 385840293829596286384749807979303211435931
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 99:a4:97:4a:e1:99:a7:48:a9:c3:66:a2:2f:18:dc:cf:26:f5:32:5f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 91:ee:70:1c:26:9c:fc:eb:49:59:8a:9d:97:cc:0a:e7:9a:c0:8b:c2
Fingerprint (sha256): 24:3d:10:e2:eb:ec:6a:81:c4:0d:e2:6b:4a:ce:a5:f1:e6:b5:88:ae:a1:2a:cd:45:50:6c:c6:60:98:a9:25:66
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.chemdisk.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.chemdisk.com
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.chemdisk.com
Other certificates including the domain name chemdisk.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.chemdisk.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWjCCBUKgAwIBAgISBG3h+ZBSgQhz9Fwh3Z0nXQebMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwMjQwMzhaFw0y MDAxMTEwMjQwMzhaMBsxGTAXBgNVBAMTEHd3dy5jaGVtZGlzay5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDMTzu9Tw2+NvYICLhx7eIV1V028NTx hWD6zTx1UNwyiuiE5AymQH2/5XvMuO7tqCKiBjhAnMgxQE8WI/X8uQVKUFczI70j 014sR9m6pV9FZe9UXDQ5C2+oKkQEHyDoxHZAFbs6p1l9rg4k/XLhfK15gEuPsTcA nGGSYT6yOrqFPks3gsqlxLWPogQJ5vN4skZYj14b6UbfSOM2umtLYAIHgat32ryN q9F+VHA21uahI5pdBLcVgzgtkkTm8kL5u9sbzyuMJYZ7ASoExN5xGs+m3FdIoIU9 ClCf5gxXsNHJioujaNkiQdyb56HPzdUt2QhOJUILfg7RDl4NSiHX+9Pyz+W6/nI7 aWPqFM5beq0KgK+EDvll/KyFLl84vxrq0eHbKNsBjIwBlgLV2b2Hf8iCYTxwXVmJ FJEWXrBWqmeBwh3x1v/W6XioOLB2aS4H9mQ7JFkJK/GQwktRCL93mxD/i8EYdxcn kriSjulRfu8v2p17xl/tzlJ/RzrsGs3haIE1koCyD1j9u7SGfalCaHuwPT4bBI2y vMxDbIC7ClbgPm+0oOQ7GZFYVwMzNN0h9gKT+bjuonc5Otl3B2WG7zRf1tMBhTph HTpZh8HANCJv57JL9l02FJLxRYT5xTx+Lrb7X+pHLRaNwPgc7mgZsRnAmarrA9Bj YRhyv9EzEnuT2QIDAQABo4ICZzCCAmMwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSZ pJdK4ZmnSKnDZqIvGNzPJvUyXzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEHd3dy5jaGVtZGlzay5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEGBgorBgEEAdZ5AgQC BIH3BIH0APIAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAW3D NCjUAAAEAwBIMEYCIQCf1J2iMm/EdkkKn9WlGNNSB3a/CQNRX6d6+nbbJi89/wIh APOo2DNvOS3AwXSLatlNdSm2KS6Km0Z1ZPE9aRCN7sBZAHcAb1N2rDHwMRnYmQCk URX/dxUcEdkCwQApBo2yCJo32RMAAAFtwzQq/QAABAMASDBGAiEAwVQUt8nhQg9P JzcWbJ4TakObb3htjWDq1gBhN7MNZR8CIQC6F8La+WyLrcdcSwdNj4R/DL/fPllk y5Kyv3UJEf+p/zANBgkqhkiG9w0BAQsFAAOCAQEAZtUMZrxZDtl/vx5JOED3T2lG ShJVJd7gnZT8ug/khN4L/hXhPbjB+puUydiZOQnyakklLAs+A6AmsEmjqIHJXe1T +4SJwU5+ykvoTZkDvoPStwo5626kEGLuTbPognharD25xB/5qaW37TQYeRsq3RLP vDQrTa6uMed/GYYtJ+MwBXX/0kM/N0wpf0nSdleOI1XhEh5cyONYUwrjhS37JHhS 5wMexs7M2SXUdbj9LFWpaBNY8C5NwGcyRF5F+KvVAk922c8LFX9lZsiQ/1vlFN+6 oTYRmz3gdpysLnj0dn9S9OFy3bSj45N6IkeO9mIppMFflG1T3YWqMM2JvAWLaw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzE87vU8Nvjb2CAi4ce3i FdVdNvDU8YVg+s08dVDcMorohOQMpkB9v+V7zLju7agiogY4QJzIMUBPFiP1/LkF SlBXMyO9I9NeLEfZuqVfRWXvVFw0OQtvqCpEBB8g6MR2QBW7OqdZfa4OJP1y4Xyt eYBLj7E3AJxhkmE+sjq6hT5LN4LKpcS1j6IECebzeLJGWI9eG+lG30jjNrprS2AC B4Grd9q8javRflRwNtbmoSOaXQS3FYM4LZJE5vJC+bvbG88rjCWGewEqBMTecRrP ptxXSKCFPQpQn+YMV7DRyYqLo2jZIkHcm+ehz83VLdkITiVCC34O0Q5eDUoh1/vT 8s/luv5yO2lj6hTOW3qtCoCvhA75ZfyshS5fOL8a6tHh2yjbAYyMAZYC1dm9h3/I gmE8cF1ZiRSRFl6wVqpngcId8db/1ul4qDiwdmkuB/ZkOyRZCSvxkMJLUQi/d5sQ /4vBGHcXJ5K4ko7pUX7vL9qde8Zf7c5Sf0c67BrN4WiBNZKAsg9Y/bu0hn2pQmh7 sD0+GwSNsrzMQ2yAuwpW4D5vtKDkOxmRWFcDMzTdIfYCk/m47qJ3OTrZdwdlhu80 X9bTAYU6YR06WYfBwDQib+eyS/ZdNhSS8UWE+cU8fi62+1/qRy0WjcD4HO5oGbEZ wJmq6wPQY2EYcr/RMxJ7k9kCAwEAAQ== -----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 385840293829596286384749807979303211435931 . . . . . . . . [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 2019-10-13 02:40:38 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 02:40:38 +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.chemdisk.com' . . . . . . . . [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 833510061346404670798793000290970469053794190997781141400358140076885355721812926512114804080038752125491039899156649324409783637724799269701132626188322539422135200389000509983088839292006343544988540529379518117015181067264503100124719232144790134761374766249091038366457516084161659750820979937137574651476709730490529227512400030654765407227717938378079864396429515783223782251078758429706206794624937174731582495573467001932893379995542380556543660252351918545816158374992479607085235904366710907383562224510196367574117739863137043895068434255338441240711932619021773683148168956173296220899372280886053896393923213204694969580597671398909200325721732970864398559721738726947721308615604810245409629343188076510474938338649369432944548601502173117846463478737951605592389003528559798781817368027537445493755170806340492358430309131545568189938228152763979022232059429414943533697270157549829283480383309905067853056715668895699425477458297899783637182659731108972859950842753991364584103155543720384690422182193697833921682802546635849933511878030671850339079280830906689222901653378598789928387479630201741872303212394098691078032628602650980342543936962169008489406446223092729421337966723408269497283730291203822562123158489 . . . . . . . . . . . . . . . . . . . . [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) 99a4974ae199a748a9c366a22f18dccf26f5325f . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.chemdisk.com' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc33428d400000403004830460221009fd49da2326fc476490a9fd5a518d3520776bf0903515fa77afa76db262f3dff022100f3a8d8336f392dc0c1748b6ad94d7529b6292e8a9b467564f13d69108deec0590077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dc3342afd0000040300483046022100c15414b7c9e1420f4f2737166c9e136a439b6f786d8d60ead6006137b30d651f022100ba17c2daf96c8badc75c4b074d8f847f0cbfdf3e5964cb92b2bf750911ffa9ff . . . . [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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