www.optimize-study.net

Issued by GlobalSign Domain Validation CA - SHA256 - G2

About this certificate


This digital certificate with serial number 11:21:2a:fb:a6:28:02:c2:97:2d:c3:ce:2a:4d:ce:1d:ee:29 was issued on by GlobalSign nv-sa .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com.

www.optimize-study.net

Organization unit: Domain Control Validated
Country: BE

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: BE

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 11:21:2a:fb:a6:28:02:c2:97:2d:c3:ce:2a:4d:ce:1d:ee:29
Serial Number (int): 1492195313160699595917592438104426444353065
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: 8d:f0:8f:a7:62:e7:78:e8:98:94:d5:33:da:2c:1a:97:67:75:53:b2
AuthorityKeyId: ea:4e:7c:d4:80:2d:e5:15:81:86:26:8c:82:6d:c0:98:a4:cf:97:0f

Fingerprint (sha1): ca:e5:05:24:a2:ae:a8:86:f0:01:86:da:45:f7:f3:71:64:af:4a:46
Fingerprint (sha256): cc:b5:ac:81:3e:3f:26:1d:f9:a0:c6:1d:1c:b7:93:27:57:ec:6b:d7:72:87:57:53:1d:53:44:b4:c5:5d:ef:7e

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsdomainvalsha2g2r1.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsdomainvalsha2g2
CRL Distribution Point: http://crl.globalsign.com/gs/gsdomainvalsha2g2.crl

Check the revocation status for the current certificate on www.optimize-study.net
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

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.optimize-study.net
optimize-study.net

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFGzCCBAOgAwIBAgISESEq+6YoAsKXLcPOKk3OHe4pMA0GCSqGSIb3DQEBCwUA MGAxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTYwNAYD VQQDEy1HbG9iYWxTaWduIERvbWFpbiBWYWxpZGF0aW9uIENBIC0gU0hBMjU2IC0g RzIwHhcNMTUxMDI2MDg0MTE4WhcNMTcxMDI2MDg0MTE4WjBRMQswCQYDVQQGEwJC RTEhMB8GA1UECxMYRG9tYWluIENvbnRyb2wgVmFsaWRhdGVkMR8wHQYDVQQDExZ3 d3cub3B0aW1pemUtc3R1ZHkubmV0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAsuDUx1TUzGuivTXYd6mP4x21IIqZAuSa9vPZXb0XyZqYCvOTEzvh2Qs1 SWOc29MzA3WScukAQOW8YnLnTpRtMaJocW76W4y3MhQN+N+tqhezOr+ILa3fhuSN OWoGQBPwnmQ5gDbSm21UM5TZUXcmcre1i0wdvHEX/1Js2DuiOZ5BGJ9clQHvzMnV UG9P8a9XeVy+kvEjE5c6VkLsGTTqNqqHVInM7atFV2AyJbinkluqv8oM1e2Om/KB K9AYFlEmuA9QdxYB7Om93cxLu2/lwzC3hxzs31t9UPKeiZNfXMUlxCejgZPJDc8k KMb6wQolMXOq83tZoPV4h6oHpDdk9wIDAQABo4IB3DCCAdgwDgYDVR0PAQH/BAQD AgWgMEkGA1UdIARCMEAwPgYGZ4EMAQIBMDQwMgYIKwYBBQUHAgEWJmh0dHBzOi8v d3d3Lmdsb2JhbHNpZ24uY29tL3JlcG9zaXRvcnkvMDUGA1UdEQQuMCyCFnd3dy5v cHRpbWl6ZS1zdHVkeS5uZXSCEm9wdGltaXplLXN0dWR5Lm5ldDAJBgNVHRMEAjAA MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBDBgNVHR8EPDA6MDigNqA0 hjJodHRwOi8vY3JsLmdsb2JhbHNpZ24uY29tL2dzL2dzZG9tYWludmFsc2hhMmcy LmNybDCBlAYIKwYBBQUHAQEEgYcwgYQwRwYIKwYBBQUHMAKGO2h0dHA6Ly9zZWN1 cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2dzZG9tYWludmFsc2hhMmcycjEuY3J0 MDkGCCsGAQUFBzABhi1odHRwOi8vb2NzcDIuZ2xvYmFsc2lnbi5jb20vZ3Nkb21h aW52YWxzaGEyZzIwHQYDVR0OBBYEFI3wj6di53jomJTVM9osGpdndVOyMB8GA1Ud IwQYMBaAFOpOfNSALeUVgYYmjIJtwJikz5cPMA0GCSqGSIb3DQEBCwUAA4IBAQAJ XicWZdEocaN//A/0qzNkUeIAgarzdLhrIQjyTnRon9kTR2jv4+QEK59fah0a5+4M NO+eKZoRCRRlbMI/DFiMP5D/ue9k03My0q/3ccYlL4enxJVjOMtrZcRa9TWwb/n5 rtIOCXuB/fDakpbi4UZMHmDVvzrQlKeU7LDbeK5fLjMq6j8CLShykmUzXTSd/9tB X4Tc+FeB6zPHrJSQDeQfn7FXFuL93/N8yqQsmCTJ/MpWyHVLhYsQvF02sGAMqPr2 yT004b6fuL3/SUydMMI4LnTpoHkowksE9y8ffjj6bObKuKse4kTo2H/fMdAAbeDw ETtAgVCNyVvWQUdAlOxC -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsuDUx1TUzGuivTXYd6mP 4x21IIqZAuSa9vPZXb0XyZqYCvOTEzvh2Qs1SWOc29MzA3WScukAQOW8YnLnTpRt MaJocW76W4y3MhQN+N+tqhezOr+ILa3fhuSNOWoGQBPwnmQ5gDbSm21UM5TZUXcm cre1i0wdvHEX/1Js2DuiOZ5BGJ9clQHvzMnVUG9P8a9XeVy+kvEjE5c6VkLsGTTq NqqHVInM7atFV2AyJbinkluqv8oM1e2Om/KBK9AYFlEmuA9QdxYB7Om93cxLu2/l wzC3hxzs31t9UPKeiZNfXMUlxCejgZPJDc8kKMb6wQolMXOq83tZoPV4h6oHpDdk 9wIDAQAB -----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 1492195313160699595917592438104426444353065 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign Domain Validation CA - SHA256 - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-10-26 08:41:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-10-26 08:41:18 +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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'BE' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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.optimize-study.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22581286664308005884239662742216917227857999046450860855922527568043096506172622375707907168860179347656259166439561129397734664149531981511348453836852575311111337514283104089944080964184010799713100814486021544785256010532325168122473571121535460622732255790657447538483176760970193172230059628816557311675728792379459109234381505992094764559951780136074230414294743200409174541674146222210767075509964842331475206732491298455403470330794931234781352643278553246365868539456495810020182108289079917374618077613552212130907140995670917004306863441238593310613778996908261374797207152970647906049431214142879977399543 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 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: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 'https://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (46 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.optimize-study.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'optimize-study.net' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (60 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.globalsign.com/gs/gsdomainvalsha2g2.crl' . . . . . . . . . . . . . . . . [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 (135 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://secure.globalsign.com/cacert/gsdomainvalsha2g2r1.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ocsp2.globalsign.com/gsdomainvalsha2g2' . . . . . . . . . . . . . . . . [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) 8df08fa762e778e89894d533da2c1a97677553b2 . . . . . . . . . . . . . . . . [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 ea4e7cd4802de5158186268c826dc098a4cf970f . . . . [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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