www.gewina-studium.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:67:03:75:e4:0f:94:79:65:d4:2f:3b:7c:10:30:f9:c1:55 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): 03:67:03:75:e4:0f:94:79:65:d4:2f:3b:7c:10:30:f9:c1:55
Serial Number (int): 296390541396480967611696214690312314536277
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 44:18:d0:78:8c:6d:8c:f7:e8:ac:fa:ef:33:1e:51:09:58:a8:36:35
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 68:7a:36:69:2c:d0:37:b6:1d:6d:26:fa:90:d5:bb:a1:de:fa:7e:82
Fingerprint (sha256): df:31:01:b1:ba:a6:65:5e:21:6b:fd:d4:39:30:21:93:bf:ed:a7:f5:d3:06:69:79:b5:ba:0a:4f:4d:b3:49:7e

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuzBfDkPyVRjC+0fglA2T
o9sYKFWMkP9cEPr9et15+3ZAfDU0kaID2kHpvgjXetviChHREWLS6eEwogSHnHup
sPMD/k8cjpG3ajBuT8K31l9fyhB+Tdm8KQzQ0eQuXBxrA+nr1pmLCAqQ8wG6e0Ld
f/czTYFvjTGKaa32UAPr1hTdL/Q2ypw0Qy6PJijVyKQLjzHjwEdHKir+cwn9GZbp
zXzu/Bt+yYV/ihFjS8CUpZbHvRj05VBmWSBhXFUnB5IAOcvYLZVvu4HvLmaxZabJ
CDqPqiK/dcZa8CBmVQlHHhvZzYl7/yNFe7uAeUStoIf/8sCAF+Q+xjMdz/vvUJEM
KwIDAQAB
-----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 296390541396480967611696214690312314536277
 . . . . . . . . [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 2019-07-16 07:46:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-14 07:46:07 +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 23630415811321018636127751964909486669932856831929383505737225873468781572761325934329760920599803972199981760179157720333226411746166040865740315384113818716268666812080724895940225141269276840203114550904094689494453206355963714442964180115935811481226148689900898212765293833632889640310172746874446643187220453259095225129335777039696849908286950078226747168893370646378245592165649849451284409619169460468045358614862639314135096145801570158995043518706671028570059521797482278984125291399866813436258324544488084464332204109176018388172923041241523929023795504940466017485869396781125874196644582994658477542443
 . . . . . . . . . . . . . . . . . . . . [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)
							4418d0788c6d8cf7e8acfaef331e510958a83635
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016bf9f5daa90000040300483046022100861d0f46eb60fe8592d585e4cb3b24b29b9447c0153508f00c1df54df24ae3ec022100cd967bed4b7f122921bfabce10087c9b293ae1e018759422277f7ea508a96953007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016bf9f5dacb000004030047304502207f81b4d0f6880945d39d2f8e45898eb74bb6acf3aebf14e48f4a43a7f426aad20221009a9d98cdfea5517885e5c7a3e67e3125e8cbf07ac2a0e5858cc9148fa24c41aa
 . . . . [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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