gewina-studium.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:dd:66:d2:f1:61:ad:7c:c7:68:85:bc:69:de:3a:39:c4:43 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=gewina-studium.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dd:66:d2:f1:61:ad:7c:c7:68:85:bc:69:de:3a:39:c4:43
Serial Number (int): 336675937418518032097231632471595903730755
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:49:0a:64:bb:51:30:7d:0f:47:b3:7c:9e:58:58:05:a6:1c:c5:27
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1d:fc:3e:d2:26:a3:16:04:d2:af:3c:5f:a5:4e:be:a4:df:25:bb:f9
Fingerprint (sha256): c1:c3:4f:32:5b:af:ec:4a:32:25:af:7b:d7:69:e3:e9:39:b5:42:de:7b:33:4d:f2:18:92:0e:27:24:55:9b:1a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate gewina-studium.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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 gewina-studium.nl in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFBDCCA+ygAwIBAgISA91m0vFhrXzHaIW8ad46OcRDMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEwMDkxMjAwNTJaFw0yNDAxMDcxMjAwNTFaMBwxGjAYBgNVBAMT
EWdld2luYS1zdHVkaXVtLm5sMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEAg/SxbB3e4Hz1IhbSwRMEDCugYW6WPbqUrCuLT5bjIdA8BFac0HpckMRZcO8H
K0E1l0Zli+bgFlsyNK3kbB+axBpofVV7LQzRS5pPql+XqZBOUCJH+B5i7jDcVZi8
a8ETax4At3aEecTrbUXfpeoqMm//FgupA98thVsCGFei7/xdgErdLTpJPY5POy2c
gCgnGit090rJ4zCJTg82swOch0DTIxRtc7+iU6IsTBVRNoU5qVUeqNJnw8KDHRqz
3OgdcI1b0tZooZi0KOdF8DQbxUmsToqwmi/IUp0D+9Ht8PrsXIMv/wERmlRHsbcO
GVs2fRbQkuT4AYUnNXV9S+RTOwIDAQABo4ICKDCCAiQwDgYDVR0PAQH/BAQDAgWg
MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G
A1UdDgQWBBTBSQpku1EwfQ9Hs3yeWFgFphzFJzAfBgNVHSMEGDAWgBQULrMXt1hW
y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6
Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu
b3JnLzAzBgNVHREELDAqghFnZXdpbmEtc3R1ZGl1bS5ubIIVd3d3Lmdld2luYS1z
dHVkaXVtLm5sMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAgYKKwYBBAHWeQIEAgSB
8wSB8ADuAHUA2ra/az+1tiKfm8K7XGvocJFxbLtRhIU0vaQ9MEjX+6sAAAGLFIar
/AAABAMARjBEAiAQIWY16UR+ShYpecvH2dxvENXm+cSwtAxdcGi0+njAZQIgK0fI
WxFI1MYYHt6nAtHy7N7g1rFUVWkMsJ5LMPPP6+oAdQDuzdBk1dsazsVct520zROi
ModGfLzs3sNRSFlGcR+1mwAAAYsUhqvrAAAEAwBGMEQCIB2m8/Zihfn8cfVpMwAf
9yQNmhVe30qTRD26FNR30BL4AiBQJ8fgfeh2ESm7ohrDSWYOrM5+Mcd6dCwwaaun
MFkBOzANBgkqhkiG9w0BAQsFAAOCAQEADAxB12aSVXxszOkq7pT95DyLKfGq7t6i
o69KCP9gMZVeMUKI9cv6K49wnbhKjEHjCo5bMRKCnBhyte3vknbl+3U1zUFVR96z
4H6jqecJEjHSjLVvjrN/omPN3GONpLYVR9FC40U62fDs0QeEwVDkPQUy0BXOD1PR
Ibdu+TG4y2MXAJGhkuY6w6BAsQgANFzkg41PQ4Jjdr8p36wuhWf6d+8rNh7u2Ic7
yRnmO08lQzQP4KF//Yd+tkGiHdugs5ESbADRPh/C7EEfsKZ8JltAQMTh+LpcA70A
dCNy3kBrP5ynEb62ZgYdrPfpPtqEYQALxO2C4vFwLDlhxDIi7E1ZCw==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg/SxbB3e4Hz1IhbSwRME
DCugYW6WPbqUrCuLT5bjIdA8BFac0HpckMRZcO8HK0E1l0Zli+bgFlsyNK3kbB+a
xBpofVV7LQzRS5pPql+XqZBOUCJH+B5i7jDcVZi8a8ETax4At3aEecTrbUXfpeoq
Mm//FgupA98thVsCGFei7/xdgErdLTpJPY5POy2cgCgnGit090rJ4zCJTg82swOc
h0DTIxRtc7+iU6IsTBVRNoU5qVUeqNJnw8KDHRqz3OgdcI1b0tZooZi0KOdF8DQb
xUmsToqwmi/IUp0D+9Ht8PrsXIMv/wERmlRHsbcOGVs2fRbQkuT4AYUnNXV9S+RT
OwIDAQAB
-----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 336675937418518032097231632471595903730755
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-09 12:00:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-07 12:00:51 +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 '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 16657880593615536583148112436804293715617722811555246707599839858304569834897625341339099453842439639145740863881569400529878914400827347794414383244069992533661130982183809512852962882139524969111252854362362187182474468122295311927125737740791565217165043383936465983406677475969051652058709909764422615520965866346029164290841083217208662580829855977646346414178823933825220303897166056134527050184049064613063675749187750516506599938277706491468120603977001826906150371468526175218531349450701386894661972424402424948237496798984147168821817902669790094501190107989780838475083402354137194710745102184105535361851
 . . . . . . . . . . . . . . . . . . . . [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)
							c1490a64bb51307d0f47b37c9e585805a61cc527
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b1486abfc0000040300463044022010216635e9447e4a162979cbc7d9dc6f10d5e6f9c4b0b40c5d7068b4fa78c06502202b47c85b1148d4c6181edea702d1f2ecdee0d6b15455690cb09e4b30f3cfebea007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b1486abeb000004030046304402201da6f3f66285f9fc71f56933001ff7240d9a155edf4a93443dba14d477d012f802205027c7e07de8761129bba21ac349660eacce7e31c77a742c3069aba73059013b
 . . . . [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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