cdstudio.org

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:b1:77:f5:9e:7a:9b:3a:5c:60:dd:33:53:45:c2:28:73:05 was issued on by Let's Encrypt .

With 8 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

cdstudio.org

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:b1:77:f5:9e:7a:9b:3a:5c:60:dd:33:53:45:c2:28:73:05
Serial Number (int): 147501718335329694635454313364100940854021
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 35:90:f2:2a:86:b8:6a:6d:08:b0:d7:a7:f1:1b:09:e1:de:4d:f2:05
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2e:91:16:1c:90:97:da:db:dc:0a:e0:63:b6:06:9a:9e:89:05:b6:c5
Fingerprint (sha256): 6f:12:6a:72:0c:b2:c7:15:c5:f5:49:8f:cb:7c:a7:34:89:9b:87:68:45:e2:a9:af:88:ec:d6:f2:cc:bf:74:54

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on cdstudio.org
8
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

pma.cdstudio.org
upd.cdstudio.org
cdstudio.org
www.cdstudio.org
mail.cdstudio.org
go.cdstudio.org
ip.cdstudio.org
new.cdstudio.org

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGfDCCBWSgAwIBAgISAbF39Z56mzpcYN0zU0XCKHMFMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNjAxMjkwNTE2MDBaFw0x NjA0MjgwNTE2MDBaMBcxFTATBgNVBAMTDGNkc3R1ZGlvLm9yZzCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBALL3jP8Auiqc1/lnrgxO2KdG+wXzoz8s1t6m p+N6qs58Zx1Z25nlC2xyfkekDEqa7uexcdg3DqhxStu5+9Ilt3JmssPMbkH74obX wV8CK35mK6pNSVO81WTO2Ss/QYPVFBlggRE6RxP3tv4ozkEzbFjVlQheECIP/moX SQdxWrpfmx7yR2yX6rdgalfrDJviEzi/IpyLEPbzaQZFI+S/DB/OHhM3sax5w0hH s+to9UsMVbgOvJlS7zR42Rb25pXYEsFTnXZf6fWeACv12jxrG1P+flbKiTn7CQUY qJZG8GtUOE0pTMbsErw7RR0AXULjOJTSy+MxTFCFAI9sAeSO9/nhlNftXiGt5Yh4 fKr0wNEC0SSwYZ84T5Susq2aKC8ZzfldatkCYfd7mhy2JdYu8KwhksNy9dr+1abF UtUmXDq/l6EA9/xTHC4tJkw/Ak6n+0askTj1oUF+Eo3a6at9ziLSnIiha+70i7n0 YW21oYw+Dt9p63AmD6dX3nD9+158orZEDPIlHjQ1XilVyPWdTBzTF43Gu4UcA9MM G9uU2RfHv+/9SpMYePMkxOZegh3X0mBNClwePEBgYyLvEFn1l4fn8sYuEAerWAFq a6XOHqL88+sRYxZeGVAFkePXJ+u9UiwZcPMffDuMQe5iHW5QNMXcrIepvQVaPkiw 5a3ws5pXAgMBAAGjggKNMIICiTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDWQ8iqG uGptCLDXp/EbCeHeTfIFMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgx LmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 MS5sZXRzZW5jcnlwdC5vcmcvMIGWBgNVHREEgY4wgYuCEHBtYS5jZHN0dWRpby5v cmeCEHVwZC5jZHN0dWRpby5vcmeCDGNkc3R1ZGlvLm9yZ4IQd3d3LmNkc3R1ZGlv Lm9yZ4IRbWFpbC5jZHN0dWRpby5vcmeCD2dvLmNkc3R1ZGlvLm9yZ4IPaXAuY2Rz dHVkaW8ub3JnghBuZXcuY2RzdHVkaW8ub3JnMIH+BgNVHSAEgfYwgfMwCAYGZ4EM AQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5s ZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0 ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5k IG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kg Zm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJ KoZIhvcNAQELBQADggEBAB7wQTy3nfLZ8NEqFuevN8pZDTdrv7OPUNRJfWdwJ+m9 zduoUN9Dy9NRWS/uv3RAvv06zY2BnqChhP1jnZL3YR88y5O+HVYih6YKu3XVi7bV LxIR+GJrLwNQ9EWbXiShYF6zI6xHsH5lFIQi78umU8kN23Enq7O+VRCLOsVh86yP lbmbXn+RnUNAJZ2lHzWpP/viCSjKs9VqrGbXfZ5MxIWqVwFBZlp5z10hJJvuw47f k8V4apPj0H04JYyfmQl3GTXH5fCgfW928LgEMvkAoiHG1ia9Fv+r8eCOh1WnUC+F ividPrV0XN5/1UFOwDW6O7TdZZg988gMVSeeyVDeO+I= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsveM/wC6KpzX+WeuDE7Y p0b7BfOjPyzW3qan43qqznxnHVnbmeULbHJ+R6QMSpru57Fx2DcOqHFK27n70iW3 cmayw8xuQfvihtfBXwIrfmYrqk1JU7zVZM7ZKz9Bg9UUGWCBETpHE/e2/ijOQTNs WNWVCF4QIg/+ahdJB3Faul+bHvJHbJfqt2BqV+sMm+ITOL8inIsQ9vNpBkUj5L8M H84eEzexrHnDSEez62j1SwxVuA68mVLvNHjZFvbmldgSwVOddl/p9Z4AK/XaPGsb U/5+VsqJOfsJBRiolkbwa1Q4TSlMxuwSvDtFHQBdQuM4lNLL4zFMUIUAj2wB5I73 +eGU1+1eIa3liHh8qvTA0QLRJLBhnzhPlK6yrZooLxnN+V1q2QJh93uaHLYl1i7w rCGSw3L12v7VpsVS1SZcOr+XoQD3/FMcLi0mTD8CTqf7RqyROPWhQX4Sjdrpq33O ItKciKFr7vSLufRhbbWhjD4O32nrcCYPp1fecP37XnyitkQM8iUeNDVeKVXI9Z1M HNMXjca7hRwD0wwb25TZF8e/7/1Kkxh48yTE5l6CHdfSYE0KXB48QGBjIu8QWfWX h+fyxi4QB6tYAWprpc4eovzz6xFjFl4ZUAWR49cn671SLBlw8x98O4xB7mIdblA0 xdysh6m9BVo+SLDlrfCzmlcCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 147501718335329694635454313364100940854021 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-29 05:16:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-04-28 05:16:00 +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 'cdstudio.org' . . . . . . . . [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 730121640256749459753672074126841768460383352185520187017612949305213799206384992280196850374557975556878937816783521178702067064358874249594319766136889658673072291948940194896647220234248499688032411167131530701503519475965382186830247807368826021123683200411028243843485068866228916610195834492511985852864920289535903568763734548713901353613243601586920546627559385692084045901156899738283713220198751051160429893375500501026590019673806397030701467906233885826928310251251510343847337868207565581033034521059864772136808331707735887759930891146320758864008401940020494885485867939794464620737772267594801258406941380057868954318324876329170775281859526180430839427564967655167911074428008725547513633211009805346235882846681425256985900729216478563397216881116582648920441736648902070199469460579532791186706113295978509270458347362237476952197203153165014022389124014204161832422531291341191825545467973139047032620062682089568083726345490580960323377624357811680662128774859448469197932496364550503554336167827797182153677255949243144841605467056573175848635198879744621139008059020450233535916480470774213062591719654204624745380107418690680328258392891973127470816580364992378324117688298184094496797963085141009135031261783 . . . . . . . . . . . . . . . . . . . . [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) 3590f22a86b86a6d08b0d7a7f11b09e1de4df205 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (142 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pma.cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'upd.cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'go.cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ip.cdstudio.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'new.cdstudio.org' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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