www.gewina-studium.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:45:e0:1c:7b:40:6d:2e:42:53:65:b6:f5:59:b2:62:08:4f was issued on by Let's Encrypt.

With 2 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.gewina-studium.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:45:e0:1c:7b:40:6d:2e:42:53:65:b6:f5:59:b2:62:08:4f
Serial Number (int): 285114236068034127489489803635445429569615
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fa:30:76:40:7e:9c:a8:87:9d:45:f9:d8:18:be:59:c5:8f:73:5e:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 42:5c:45:3b:b1:2f:a0:43:1c:b6:ff:12:f4:d8:cf:bc:74:75:d0:cc
Fingerprint (sha256): 9c:61:dc:05:cc:a7:69:2f:37:9a:61:b7:51:d6:de:86:3e:82:50:7f:18:ca:36:2f:53:08:40:d6:61:5e:dd:6b

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.gewina-studium.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.gewina-studium.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

gewina-studium.nl
www.gewina-studium.nl

Other certificates including the domain name gewina-studium.nl

(limited to 100 certificates)
gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
gewina-studium.nl
gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl
www.gewina-studium.nl

Certificate

The complete raw certificate details for www.gewina-studium.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzom19tjn3dv0zJVnCQYs
RTDjNDgIYsPrAHnL9o4eOCYzpJ7LX3xEsvZGAw9Xdj0LSsR2pPZ80Bw/oZ0SbGqj
NZKEsLlMfnBZ1bWdCaYI0IkeEJxoxXbo/GQNp04rNyDmuVzKiD7CCubQPMsXIM6s
NUG8HogA/oIsiuR3xlOGr+OovvGBzsjlVLxOzWrQmZAL8qm0b34mbrRocGcstE/0
DJxuYYPugxR0hxh7atAbOKp7UFYcDDhiu1XZkufFLiCah116wSccDgtiJL6Mlt6Y
Y8As2DUT6Z7glYzj8O/le2Q2E0QWculZ9W8/UqxCzQDLevYPUbymO/BHoaKNP77K
jQIDAQAB
-----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 285114236068034127489489803635445429569615
 . . . . . . . . [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 2019-10-09 22:57:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-07 22:57:46 +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.gewina-studium.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 26072998548378909467859054993983308525874402053749351265416007535263944424095328692380996599429137870563272472064753128229198133222608739321561466422090738641562356155021396310093836059845563354219636387156760639087938221930806796224254615703647748372689537648833401572893343898860607682918874902538878057326035865246541060802697261587659888165580742296170386643497229665760427961635505400631655882443265719088203707766469675517949001841916158693974745392248691829961989632968212027730533921749196154134206706788164439399301292607721880891893036778249864696364551223560139471900969349982766395171352621260019750324877
 . . . . . . . . . . . . . . . . . . . . [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)
							fa3076407e9ca8879d45f9d818be59c58f735e1b
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gewina-studium.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gewina-studium.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016db2f50b12000004030046304402207a4be158622190639fcb9d06f35e6622f167338e1dc52f28a8e7eaa0de346b0a02204a6d2f6c59e1517aef1eec1c0692d79e7f8abedc38377a3c419ce178980fbc0d0077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016db2f50cea0000040300483046022100e539ede6450b9258732a6b4bdc283e9d1dae92a609f94f53e6115efb9271a58e022100dda86d5e0859973f69019bad26d713910b60e7b401237920d0940a00f484eca5
 . . . . [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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