www.praktischestudie.nl

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:9a:e7:99:a2:01:85:e7:de:fa:8d:13:8c:7d:6e:97:81:ff was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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.praktischestudie.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:9a:e7:99:a2:01:85:e7:de:fa:8d:13:8c:7d:6e:97:81:ff
Serial Number (int): 139823619811901467190494187373158987170303
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 90:43:24:50:d9:29:dc:10:59:b0:3a:f2:9f:0f:7a:0e:b2:29:90:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0e:bd:6f:00:a3:6a:00:33:76:d0:c5:ea:34:c4:58:f6:a4:a3:eb:09
Fingerprint (sha256): fd:e4:16:8b:d8:eb:0c:bc:d4:ae:5b:85:13:1f:8d:0b:16:80:8e:0b:73:1e:7c:87:52:13:51:f8:29:b3:d2:aa

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate www.praktischestudie.nl

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.praktischestudie.nl

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

practischestudie.nl
praktischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl

Other certificates including the domain name praktischestudie.nl

(limited to 100 certificates)
www.civielebedrijvendagen.nl
www.practischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
civielebedrijvendagen.nl
ge-cdn.praktischestudie.nl
www.practischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.civielebedrijvendagen.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.civielebedrijvendagen.nl
www.praktischestudie.nl
www.practischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
civielebedrijvendagen.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl
www.practischestudie.nl
www.praktischestudie.nl
www.praktischestudie.nl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsiaBEFgLfgeNPqqUDJv/
/yWI+w8bR1jlPxh+z3GXVFB46dWAAQyfYUwahsEdfl1scZoRojtKJxNp0Hw1HeBj
7E75Ct7aOKmnw8whkJ25m9gEQmRUOsJJRqV4XdpWs+ZbvXCgIFljIc9clozxt0Jd
FlZZ4Kcu1KJDMUqbIV8QdcfqpyL71jtg0hdUh2oryt3LnG3xlixkJwlsN6FqRxWi
i2BGfX6xcTequTn7Ae1FnY36BQKbJNR4IA/7SwYZdvlyFGxcl4B99lEy8ejH/Bhu
1BOyT0EUUuZwEu4i/EbGly9GRODcv5vlQqutphQqKlvunjjAfRn8EPLFEoJZqH7J
sQIDAQAB
-----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 139823619811901467190494187373158987170303
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-02-11 23:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-05-11 23:00:00 +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.praktischestudie.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22489405390762945498058561993072196504712399630665707533101403511808482647237883055940899477702874614572907975801138963600978802374351950968088161842412848617669804231703174476931763222368077094321344209130365342303111011642601147257380282421522423458402791120751391076692274959185585702618683725344133186705331816890306012898518841407085655794592050128369174089899156732035105152641541473886532148156594365345010494379566054281694006464768517636348869436591879385706396661304308025002771672950392143995766519280439111669916191553878917703240168307504580604591971187289754135893452509553321219140804731992840966425009
 . . . . . . . . . . . . . . . . . . . . [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)
							90432450d929dc1059b03af29f0f7a0eb2299034
 . . . . . . . . . . . . . . . . [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-x1.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-x1.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 (94 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'practischestudie.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'praktischestudie.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.praktischestudie.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.practischestudie.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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