www.chemdisk.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:5a:24:d0:59:aa:7e:0b:02:47:e2:ad:09:92:d2:cd:db:c3 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): 03:5a:24:d0:59:aa:7e:0b:02:47:e2:ad:09:92:d2:cd:db:c3Serial Number (int): 292011204842402284639762580452574193638339
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c4:4b:ea:15:15:05:87:79:aa:ce:0c:d6:37:a0:79:f0:66:1f:d3:b5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 71:56:bd:63:dd:57:b8:e2:6f:12:7f:e5:80:0d:c2:bb:fb:df:40:77
Fingerprint (sha256): ba:b2:09:fe:d0:df:37:e9:d8:4b:f9:9b:f9:4c:3a:31:3e:da:07:ea:e0:a0:e2:0d:c9:a4:2f:d2:e6:22:d4:0f
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----- MIIGWTCCBUGgAwIBAgISA1ok0FmqfgsCR+KtCZLSzdvDMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjMxOTUzNDVaFw0y MDA1MjMxOTUzNDVaMBsxGTAXBgNVBAMTEHd3dy5jaGVtZGlzay5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC8erCa2FIBkURazJ0GI+aYwbLVW1Hv LQgB5yfEPoqpO5oZmc16jsCN2kMIeq42dZJlRlFg83vfUpNBXG9uPZYpoN6MOqYv c3KYs2jAEcAWjlN4yGAo5Ad2es+hU1doiFiyIJWS2+JA6ZJaGGLcErdxDniQh8AA tR/OQXOKFyMNfN6pHbiAM08fmC9mFJXdGXG47muZpguWkjKh0ubi/E6HeSyCizlM ohD0wiV+GB4Kkkk4S7C9tbnUqrCSWZ68hvxX7LwSj5lh6hvxeO6VXeBSLuczl5CO EHKrydx6xKvPViO5x9HBvXqxUbZRvphRvTAiibgKvD6UHMzzqArFOviJKGQ26+NN FysEcs++iN2iQWLgle8R3OlsGhUThz01IZZNxEXngMnzuyAN6ODoWgCHws/m8MYc +cqhAA0vTudvRL6Q6SHCeEM126XjBCdzv6+6J6xoCQCjd6N91gxKeoHILbCOzprz WKViluJzL7H7kPgsRatikDYJj3OHjMuaaJDCwQmds0xMP4vAn9Oum0tiV9zVw+Im MIumaV1U03gL9yprzWLpKl4SOqRa+30Dcn3xolocQslljaewTjTRpwlWLDKGzfUt sfhxVku0KFWCtcnHmO8WDMu3RPLZ0goOOM96799x2l0w+gvYGJMvhn0wIhQG14xt g/QsVV4JgoVGnQIDAQABo4ICZjCCAmIwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTE S+oVFQWHearODNY3oHnwZh/TtTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEHd3dy5jaGVtZGlzay5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQC BIH2BIHzAPEAdwDnEvKwN34aYvuOyQxhhPHqezfLVh0RJlvz4PNL8kFUbgAAAXBz 087cAAAEAwBIMEYCIQCqzI+NORIuxECRknQSvKT5zPbadXtL7637G52j36Uk8AIh AOL0gp1L83dT7+udNpOwZWK2oOcX99xToXJwU1JeTbDWAHYAsh4FzIuizYogTodm +Su5iiUgZ2va+nDnsklTLe+LkF4AAAFwc9PO0gAABAMARzBFAiAQXTPd8S7La13r kA2uaOWe/+IqWvmzoFDwLg+oLqw5WAIhAPi2AavPOVKYYUe2KiWN5DAY+gJHkrQa h+6bUe4HDtHzMA0GCSqGSIb3DQEBCwUAA4IBAQAJ9lFWECIyxRJAD4Au7ZQr5MKA aDOCN76zhDK3JtOFaG6Khckxe6PikYz1D6AfBTsn2Ng/Lq1AD9SZ/ZaIdwnnpVkP qR89cvYmjrD3aGk6IOaW/70EoiX7329l3a8M9HW5XwBvLj2UyVMM7R/JI0rXVDAJ oL5xvnFgC7cWIQCJ/xZdccHTP1s3CjOw0TKsr168GklmGDPNPqxK0mf1PxZUnL3n Q4QV7EVPBXyWpL1FTuoLoS890hOXpIBCOOULt1gC0+hlcquI6zjF0tlei6WtkpIM hgeyVxwhcYq2R0xcgOIGSLJBXLaGciVWgzmprNRrRL42rQ/kHbWEOjw00E6x -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvHqwmthSAZFEWsydBiPm mMGy1VtR7y0IAecnxD6KqTuaGZnNeo7AjdpDCHquNnWSZUZRYPN731KTQVxvbj2W KaDejDqmL3NymLNowBHAFo5TeMhgKOQHdnrPoVNXaIhYsiCVktviQOmSWhhi3BK3 cQ54kIfAALUfzkFzihcjDXzeqR24gDNPH5gvZhSV3RlxuO5rmaYLlpIyodLm4vxO h3ksgos5TKIQ9MIlfhgeCpJJOEuwvbW51KqwklmevIb8V+y8Eo+ZYeob8XjulV3g Ui7nM5eQjhByq8ncesSrz1YjucfRwb16sVG2Ub6YUb0wIom4Crw+lBzM86gKxTr4 iShkNuvjTRcrBHLPvojdokFi4JXvEdzpbBoVE4c9NSGWTcRF54DJ87sgDejg6FoA h8LP5vDGHPnKoQANL07nb0S+kOkhwnhDNdul4wQnc7+vuiesaAkAo3ejfdYMSnqB yC2wjs6a81ilYpbicy+x+5D4LEWrYpA2CY9zh4zLmmiQwsEJnbNMTD+LwJ/TrptL Ylfc1cPiJjCLpmldVNN4C/cqa81i6SpeEjqkWvt9A3J98aJaHELJZY2nsE400acJ Viwyhs31LbH4cVZLtChVgrXJx5jvFgzLt0Ty2dIKDjjPeu/fcdpdMPoL2BiTL4Z9 MCIUBteMbYP0LFVeCYKFRp0CAwEAAQ== -----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 292011204842402284639762580452574193638339 . . . . . . . . [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 2020-02-23 19:53:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 19:53:45 +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 768928283892326328233390100496028236704747437419670042650071633195354240860807791810642316899549644054477663855222842113128343377814447363317613924856027756585290357948707392661680696761515015347434410919205472048029025263926845872631779959678961773628564525700728594334747845042719797876312135864389272579936105983781072315570356121219311094671452035911506083286925709955697776035235347756770138136938322112760742179568207161435296670360355855765896030020072148813348490654238514414534530412682533103314794063426433573250729176006482342779774204803477228356082442391666040688679491706188092450270258774216304298711454728900044152284470085127970669941597715157520800647246045803713606893334906295235399168475158178563842150213032594732822879429047861254904007579920639706357826325815843342856365599270434815311784625821999457504121888010331293716112665705509487059682861388043383158761604686339849478945121061554338153214097865724680704897319797305368110944520284253494090692073879058771327847501491620102866813606099294406838611932444513366062918149323993079250919593041451427819606269397679089016055634002106915909031275728632207254270597445238416389914628724849142274431590092159838992158167067955979748918454595915853245683418781 . . . . . . . . . . . . . . . . . . . . [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) c44bea1515058779aace0cd637a079f0661fd3b5 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e0000017073d3cedc0000040300483046022100aacc8f8d39122ec44091927412bca4f9ccf6da757b4befadfb1b9da3dfa524f0022100e2f4829d4bf37753efeb9d3693b06562b6a0e717f7dc53a1727053525e4db0d6007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017073d3ced200000403004730450220105d33ddf12ecb6b5deb900dae68e59effe22a5af9b3a050f02e0fa82eac3958022100f8b601abcf3952986147b62a258de43018fa024792b41a87ee9b51ee070ed1f3 . . . . [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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