www.gewina-studium.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:f2:65:e4:15:15:01:f0:b2:d2:28:5e:bd:5d:52:64:d6:93 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): 04:f2:65:e4:15:15:01:f0:b2:d2:28:5e:bd:5d:52:64:d6:93
Serial Number (int): 430932912820761110749643960500190980658835
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 07:a6:df:85:9f:af:d3:05:f5:e5:ad:f1:69:56:3f:e2:2e:10:e7:d3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:8b:44:cc:1d:8d:4e:eb:e4:27:f9:c7:bc:5f:06:23:46:37:a5:f1
Fingerprint (sha256): 80:3f:2b:70:71:27:bd:eb:7e:4e:9f:66:1c:0a:c9:b4:27:5a:65:c1:1e:11:e7:30:ac:11:d3:c4:e0:a4:ba:41

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-----
MIIFdjCCBF6gAwIBAgISBPJl5BUVAfCy0ihevV1SZNaTMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjgxNzU5MzZaFw0y
MDAzMjcxNzU5MzZaMCAxHjAcBgNVBAMTFXd3dy5nZXdpbmEtc3R1ZGl1bS5ubDCC
ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJ4wLRuwdA8o0MQ912zPBNqz
6Igo+gKpgtlK1sj2zFuUfGMyEOyw3IgwFvHrGLqsoMt6Z4YVvebUhSiWC/F7UGvd
Hvk2tLKkC2NVg3CEGh+5IRuLPjxQb9DCocfsMTr76UP+1a3wgzGXpv5srfMSXQ6r
KCT7PtEFsL4KIE7LiFyslsShqrCl2kR5gRJ54D/f0DMS/TFb2lWcW7iolMZ0U4El
GOMMqZb5zup6pFbIhfY4/uJfRtOSGuI6iURYJdkEh1FL624aW5A1eYL33pwwbyW7
yB2I8PhrUjJ2jdBY/ueyu+VjugkzBCMGQmEz/iFpDglUetF7XGZ6XLwXgoCToYcC
AwEAAaOCAn4wggJ6MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD
AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUB6bfhZ+v0wX15a3x
aVY/4i4Q59MwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB
BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu
Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu
Y3J5cHQub3JnLzAzBgNVHREELDAqghFnZXdpbmEtc3R1ZGl1bS5ubIIVd3d3Lmdl
d2luYS1zdHVkaXVtLm5sMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8T
AQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIB
BQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDn
sklTLe+LkF4AAAFvTeDPBQAABAMARzBFAiA17gSZ4g4LTBKzlPB6n68dy4vu72+G
2gG776w2dFSTUQIhAPLO/FL8/uIRYzhIEFmOJynk7hIMxBljiK9Uh7QhpN9rAHcA
b1N2rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFvTeDPOwAABAMASDBG
AiEA9qJx+wc+bNlYJI8niCewO2fXagGNqRGbPiGQTLobS7oCIQDB+6rMrzhekZp1
9h7v/vynz/DajZGax+qVOB2OpmwaZTANBgkqhkiG9w0BAQsFAAOCAQEAYw5a8HEq
ho+bbvxnjeN2hpvetJWP8Fu/yEAEhdvpHf2CzGwPyQnkZA17sFm5vu0CwiESDWC8
r6bhJWEbgFIOh2tqXbtS4GJHD3fHAH9kCBxVH26Ju/BfVAsSP0rffU8kp9eyPu/K
AboDM7vipOePw7ZAwfITx/jH1tFJLMTIOcyh82UIRz2YZqbvY0Qi5MHhHEAo31nR
1QqyyvaWYHNBkpKmoHX3vdfU9JFe8J0Cvt5WwBhflwtwuSyJcYcOwjnimL+9Pc7L
AoJThX5d5CQQ6b2N6eSKXquYClzjd6P5cQJC75YSCUn9fi+dmUL6bo5pSM84Rlrr
Jc34+T8ZB5mLpw==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnjAtG7B0DyjQxD3XbM8E
2rPoiCj6AqmC2UrWyPbMW5R8YzIQ7LDciDAW8esYuqygy3pnhhW95tSFKJYL8XtQ
a90e+Ta0sqQLY1WDcIQaH7khG4s+PFBv0MKhx+wxOvvpQ/7VrfCDMZem/myt8xJd
DqsoJPs+0QWwvgogTsuIXKyWxKGqsKXaRHmBEnngP9/QMxL9MVvaVZxbuKiUxnRT
gSUY4wyplvnO6nqkVsiF9jj+4l9G05Ia4jqJRFgl2QSHUUvrbhpbkDV5gvfenDBv
JbvIHYjw+GtSMnaN0Fj+57K75WO6CTMEIwZCYTP+IWkOCVR60XtcZnpcvBeCgJOh
hwIDAQAB
-----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 430932912820761110749643960500190980658835
 . . . . . . . . [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 2019-12-28 17:59:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-27 17:59:36 +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 19969408756128271657007288580553197145243084543985985007385595315951513823737302330930465811061122781975662440866953075593503279588333021097655952206284429048623141325657818786647972431666560474225873293954245838465181606946412709754983252278409350169242687708924842688903107188866273656239759166269852208102186218759031071951735797012980813516326513952766047378545617296946909441248456161860316018973973961861473576438352353621168498428587251226020469353698153460538579527891265392562580504440685975598047397113899486470380570399178007024328741100884797670767063404548673746848226413566984460663117850766564830454151
 . . . . . . . . . . . . . . . . . . . . [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)
							07a6df859fafd305f5e5adf169563fe22e10e7d3
 . . . . . . . . . . . . . . . . [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)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f4de0cf050000040300473045022035ee0499e20e0b4c12b394f07a9faf1dcb8beeef6f86da01bbefac3674549351022100f2cefc52fcfee21163384810598e2729e4ee120cc4196388af5487b421a4df6b0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f4de0cf3b0000040300483046022100f6a271fb073e6cd958248f278827b03b67d76a018da9119b3e21904cba1b4bba022100c1fbaaccaf385e919a75f61eeffefca7cff0da8d919ac7ea95381d8ea66c1a65
 . . . . [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)
		00630e5af0712a868f9b6efc678de376869bdeb4958ff05bbfc8400485dbe91dfd82cc6c0fc909e4640d7bb059b9beed02c221120d60bcafa6e125611b80520e876b6a5dbb52e062470f77c7007f64081c551f6e89bbf05f540b123f4adf7d4f24a7d7b23eefca01ba0333bbe2a4e78fc3b640c1f213c7f8c7d6d1492cc4c839cca1f36508473d9866a6ef634422e4c1e11c4028df59d1d50ab2caf6966073419292a6a075f7bdd7d4f4915ef09d02bede56c0185f970b70b92c8971870ec239e298bfbd3dcecb028253857e5de42410e9bd8de9e48a5eab980a5ce377a3f9710242ef96120949fd7e2f9d9942fa6e8e6948cf38465aeb25cdf8f93f1907998ba7