www.studiope.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e6:38:88:08:e5:24:47:25:57:9b:ed:00:90:0a:8f:08:47 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.studiope.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e6:38:88:08:e5:24:47:25:57:9b:ed:00:90:0a:8f:08:47
Serial Number (int): 339676945287647056077298271559279835023431
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e8:bb:ab:d8:ab:7d:20:07:68:df:81:5e:26:7c:f8:59:6e:01:3e:61
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c3:ae:ec:94:d0:49:c7:49:a0:30:2e:0c:a9:f2:0e:cf:0a:e9:c7:2c
Fingerprint (sha256): b8:71:df:bc:c7:97:83:f6:4c:b2:3b:15:43:78:c7:28:31:f8:00:f2:da:f6:65:0a:96:4b:0a:77:eb:00:60:5d

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.studiope.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.studiope.nl

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

www.studiope.nl

Other certificates including the domain name studiope.nl

(limited to 100 certificates)
www.studiope.nl
www.studiope.nl
www.studiope.nl
www.studiope.nl
www.studiope.nl
www.studiope.nl
www.studiope.nl
www.studiope.nl
www.studiope.nl

Certificate

The complete raw certificate details for www.studiope.nl in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 339676945287647056077298271559279835023431
 . . . . . . . . [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 2017-09-30 22:27:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-29 22:27:34 +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.studiope.nl'
 . . . . . . . . [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 631519389834516205348248713283332670071985895181098871016407781871934006517859269520383500864346804092979041433642902126244327768286228470308580633246432044212678789624128014648129334334842737885505467974572221640772480043658421974352351856548611634088907274631846432218506004225418874576955028299062099151915260182947607249898710435151246424488766205475521557844201038544320101549655541815276252248661765091827652997527091312279447458184693227578972349652861116931435537220282380033898527113097253543959287732858731853708034027847947697392511735739194956949421372878686092351922374768041137252235169429002499498521426552968350480736121961238931393938299190917738248347150104566650077740037646965986173782252933252202874019500242508679322499615892326845106347483394797105476944359340763129443341944675247863821756606853417416865813446862867608157976558824189199552726425306151271197292504247877530950156329211440903565817058645762402048771761111555855611595927876205697745624175678615164254494921554375117893190510387012751453063045310660097865435479103613500914511791336581194020086202427106501060930896401394444320497299614213587024546253324814161100982609745579386636857173734046729409289602324652757515526361557115450199992075673
 . . . . . . . . . . . . . . . . . . . . [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)
							e8bbabd8ab7d200768df815e267cf8596e013e61
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.studiope.nl'
 . . . . . . . . . . . . . . . . [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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