www.studiope.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9f:36:35:aa:a4:bc:db:43:b8:2c:f3:57:a0:f5:fb:03:d9 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): 03:9f:36:35:aa:a4:bc:db:43:b8:2c:f3:57:a0:f5:fb:03:d9
Serial Number (int): 315513811100277342963069604990627794846681
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 32:d4:73:77:af:ca:7f:37:ea:50:2a:38:c8:23:f2:df:2a:f1:dc:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f5:10:96:ce:0a:47:06:ad:af:3e:09:3f:6c:d3:cb:5f:6c:c8:9f:f6
Fingerprint (sha256): c1:d4:d5:2d:77:a1:49:18:29:0c:15:62:4d:e3:e5:31:5f:21:0f:e8:cf:fa:b3:5b:6e:9f:f2:e4:40:16:8c:c0

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAp2UkESIz9uNaslqx1r1Z
YemaPbcjH/qj13XBu52aQyvWP6jGposofgqETtr3ukb5kQSOo9xTIp15bfR4wfK+
+UXBTmE0djF+uXituAw65i0ipflVobqi2BlZbmV57vUadeIFWCa8wRPBvNUVYlv7
UAL86h7lh6m3mcqVeD+nz0EhPpU0cPAEDAYdXAvaYtqtnLpOJdV34MWrAddZ1HKR
u3jisurrmxfxNCVg/1G/gzstA4wEoAIZ35ow3xdCyhEZUcP0WgnHJb62YyMran4l
ZsSBXrqE+YVp6HkwlDnBI6q63fuidHRTYczoAunz8dl/h3HlcokHfeAWj2XxNOKo
xUuhXgKI164tvC3tvjYr8qMYRdke1RPeh2q/ZNDBds07c0vTUyhDIQxg6c6Ip7B+
Ib5jaDQsjiAzNAR5S0b4nL+yqSBouAkNhXOAWkpH/L9Kg54tgIWglFT+uhvjbswn
w6FE3yvnr2gSnjPAU9xqUod63LPKyPuDBVSKJwnkuyKwQ49AChi4EgIBABZR7bHc
cr67inJHZTyA/Kivcqm9oO8uBu8lFN+PhByf8k3Iw/z/0iu8+rqi0A38cMcdOqLs
hhnuN+bNomPiOLOJKAtYMpbocXBufUAe3akObf9fxdr4h0RkvGSn2qc2ATQT24Ko
36+JwCBlS2if63oNEqOrQQkCAwEAAQ==
-----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 315513811100277342963069604990627794846681
 . . . . . . . . [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 2017-02-01 21:58:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-05-02 21:58:00 +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 682912351614796257180980736601395640685018021167776233880459185677077063661592724863786148709754543222331908864965390888403709553862652986996561252540450257506221227466092383585392967157706337572256814206172952750912342415194289707971330297385473694701878470032064675067003112989450981924333536788442720449681910641980440104023773351145099524274936808638036348061549490043890127753678477416774961256404315496017647353921184230004134204669573551739720030386457064001637728503682043345766226295468256936711172260392783696714884139548008919074337664200983811590109220088916730131525786686329915545339743154780396680085866749162867973218584113033737192037495063065700228882650887917069534389151935068809376289193142734787666300450229800128672136423186622062999652993679052211732701390827686049627573630987063284916651261503819998954290102582596639343250988641983873842656921598085702544008614464133081380299226552419630621359048451708301450628938459217517345405063189474392688010086884988982548548534846526884766525478673284449767130143692712849442063064693158549071896117323008812140445969351325458387664728937375232396515054808903618486205289163550352596682506738430341510681034931550326314233305050421780577517510729627461940207632649
 . . . . . . . . . . . . . . . . . . . . [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)
							32d47377afca7f37ea502a38c823f2df2af1dca2
 . . . . . . . . . . . . . . . . [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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