www.studiope.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:10:25:86:d6:62:95:5f:6a:03:30:11:09:b9:ae:56:ff:67 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): 03:10:25:86:d6:62:95:5f:6a:03:30:11:09:b9:ae:56:ff:67
Serial Number (int): 266831257217885084632386626764820482293607
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 82:9d:12:b2:2c:ff:89:df:2f:18:d9:a5:e2:84:c1:6b:39:41:6a:88
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fb:44:1e:17:83:78:1e:6b:44:8b:12:2f:da:a8:99:84:fb:7e:2c:c5
Fingerprint (sha256): 7e:06:39:f7:f1:8a:85:87:00:44:f1:26:45:fa:d0:dc:35:53:3c:af:9b:7f:de:9a:25:97:c8:73:41:9c:58:61

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 266831257217885084632386626764820482293607
 . . . . . . . . [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 2016-12-03 14:11:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-03 14:11:00 +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 '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 739516680982193576836162194856230307176206439926198777816967830774795743102531238424907561331194273208407068111176823595175367453345257962240828721810773520535756797614606194149191573485153318776795215650409883866320911616651945380560974747449694854892933034161448300571666461893637283057319693702346130865114944569911033875494196412944557435177608290759627439102544523764884420244425043251084405705175600702949156350041254563232290488470064347760100734104034092550027966180886265574714701733092558045972691649316463314218798321176909569442561798327427022170830858517937813960156538702798562284100767120755989802420853997028452224341153339572098831968791587292120376135929132287649239744281811275116493034266148803782981741056680119068506146330777841287844947473924766992794969114744504664761196219355441949676990306780533286735529151464105296852280773653881555891698849861051413710391537261957543182665633189267382263880705092888448556708821961435719921486417349164959462713547136758177449406826024806353152904589444982023237189243577267899595542302921833189012411188450112444932179705784773128273056083127738272702571496267047644872566288632891132161725418990860539983688846891509496079675906229421168700463850811393662030041095043
 . . . . . . . . . . . . . . . . . . . . [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)
							829d12b22cff89df2f18d9a5e284c16b39416a88
 . . . . . . . . . . . . . . . . [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-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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