www.studiope.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:df:76:26:a5:2d:65:0f:5e:b9:39:00:23:2d:aa:5a:59:a8 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:df:76:26:a5:2d:65:0f:5e:b9:39:00:23:2d:aa:5a:59:a8
Serial Number (int): 337376875179627390171522738936162769590696
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2b:1f:df:33:40:6e:ec:8c:d1:0b:aa:f7:b8:2d:79:57:22:bb:09:1c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7c:be:1a:2e:53:90:16:d3:0d:b6:b3:cb:ef:b4:c9:76:83:99:92:c8
Fingerprint (sha256): da:e7:eb:e0:f8:a2:de:5e:76:32:8c:51:45:f6:55:45:7a:86:14:24:f6:6a:50:b1:21:ec:7d:fe:79:a6:e1:4b

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 337376875179627390171522738936162769590696
 . . . . . . . . [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 2017-08-01 22:48:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-10-30 22:48:00 +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 725622348823294891426368955889867052091092339944531762308577514912721690433504630450519509006339857723867872219901748288164407541184163117979174015240782038440522820708915839965811414491006282069527661321731422273265921653539023086937092646023582837853672610299633836867050299422951356743548348388720759110947742639141809046325182329664547191826297459898287314457065709612086822194666422871740551917433167252270778519007030294615436800881880485729570859196288199810631507515145440095421667558995384389743192013846467822706796091104174340673703149788288787069201272400918124351869826903332826775972618984518483317115634317626449555319598526901696715910866036194193023467485245073235447566532192929530178190297271314362960291576662672073862559215723840433916129093667520273434351242135591772572515821396347089007098469488125671295897532614095533941390379589080962365440632827202834522639543097722075095592935530786222594580062551177437500821031809940256616816306782841776674741029658384209985893392634404503390574226560066259395778490396195391356313760508158675646707538176456379508639386547938178710856620309372021256827926375032768731259815473188316877278794272262663256042758880476207387781480224925885867185150166080755072880356617
 . . . . . . . . . . . . . . . . . . . . [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)
							2b1fdf33406eec8cd10baaf7b82d795722bb091c
 . . . . . . . . . . . . . . . . [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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