pma.systeemdenker.nl

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:7a:ca:86:16:85:f3:ee:55:9e:01:20:c8:87:7a:94:6a:aa was issued on by Let's Encrypt.

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=pma.systeemdenker.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:7a:ca:86:16:85:f3:ee:55:9e:01:20:c8:87:7a:94:6a:aa
Serial Number (int): 128895934975868185743165772974961152256682
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: fe:4d:af:fa:32:bc:c1:3e:72:c8:e1:4c:15:17:27:34:8f:66:01:7f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:2b:32:80:b6:07:2e:d8:03:4f:a5:ef:34:2f:99:9a:0e:6c:16:8f
Fingerprint (sha256): aa:e3:f6:f9:db:c8:a2:18:54:14:ee:54:42:fd:1f:1a:31:8e:ec:17:c1:3c:c7:2a:04:c3:ab:e7:7a:28:99:e1

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 pma.systeemdenker.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pma.systeemdenker.nl

Public Key Algorithm

RSA

Key Size

4096

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

pma.systeemdenker.nl

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mail.systeemdenker.nl
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psi.systeemdenker.nl
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mail.systeemdenker.nl
elles.systeemdenker.nl
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elles.systeemdenker.nl
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elles.systeemdenker.nl
elles.systeemdenker.nl
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ftp.pieterderuijter.nl
prr.systeemdenker.nl
ftp.systeemdenker.nl
prr.systeemdenker.nl
www.systeemdenker.nl
prr.systeemdenker.nl
elles.systeemdenker.nl
elles.systeemdenker.nl

Certificate

The complete raw certificate details for pma.systeemdenker.nl in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGDDCCBPSgAwIBAgISAXrKhhaF8+5VngEgyId6lGqqMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMDQwNTUwMDBaFw0x
NjAzMDMwNTUwMDBaMB8xHTAbBgNVBAMTFHBtYS5zeXN0ZWVtZGVua2VyLm5sMIIC
IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA5vsJk1y5WE/Eo1CKEzROTQo4
l5gC8KCF+FthKdkeywRGZc7RBa36hDT3dkmyZKtLZ5jzoOvy3/Wc5xYQEOB5iq7/
VhwkRdOe/atnir7Gxth7wCjjywcPTxPKJ3j2CB8y8va160jO/FpS2zFWyPnCenA6
5oNZ7JwK3byeU1RLU+PdQqGjr6WqIXloZlf1Rn2KEVCFqdDEFmSrocTs4xA3WkZu
cpNvyeG66AAxgt3B7CVUMjZbmrJONOgAoeR2laZiNDXpERMmiGeJp9isw6lEPGMX
cjTxmYTNdB3VZRzkkBkTtnxGRrttkd8qqyYuZ7PFkeXhRzHBazFGBmf7MESSQPYp
oKX62wL9STzmzb3nqjhRoGci0D/CS4+94w97G+qzdlmYysM6X1HDeIp+8VDSd5Ov
bfHe4VhAyp9/LIfnXZHzT0cRm3XnOBQRVbCRfhkZ6UasRbSLTl8H1CjmaQEjis77
XgulmrENGIiOrde5bGza31hFzgMdiGtKhxIomfhw/TLa2rTXi37RBX1VUiNux6lB
Ea710Jglnm6m5k5WghuV/dXvnGaUINZGjtY3qGwwmJ5MpT+wJDoH1KIyH60IcoNq
mpm3fjcN7rQhU5DwY/hET+EJ9V4QjHUt7OsMaRyGXskaLPdmwkGzK3t5Zf1cotzu
llJ/zBf6CcKFvb4sL40CAwEAAaOCAhUwggIRMA4GA1UdDwEB/wQEAwIFoDAdBgNV
HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E
FgQU/k2v+jK8wT5yyOFMFRcnNI9mAX8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3
pkVl7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2Nz
cC5pbnQteDEubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2Nl
cnQuaW50LXgxLmxldHNlbmNyeXB0Lm9yZy8wHwYDVR0RBBgwFoIUcG1hLnN5c3Rl
ZW1kZW5rZXIubmwwgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8T
AQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCB
qwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJl
bGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRh
bmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczov
L2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEA
VL9wYCGBBx6bC0z5AYPMp3Ky6K2QROe5Ke9lRYLny5GNoDE8Mh+2HraCa/NGCtk6
+skOKGDPHOynn53br6nn4L0K0vmcFHpEH1TqiAbT+Bb2hF70oKFG0H5K2D24Qxti
wy0UVC/1flpFNQ/om9s5BFpKAKf6zN6MfqAldmG2IX6VY7GgwkbmJJ97M6M5U6Ju
AKU/lf5eA+XcBx8VF0ZIWvdvLXaX4G2cdcFmLk5U7t8GGFrccfAN0Y9/mPjZKh+G
/sIzpOtR/seGoQF7EK8i+r4ZXTS6IwxGRNrb77UV9BckcNYD0ROjXcxHAVmSZdkv
VKZs5Um/358VD12/xo+jsw==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 128895934975868185743165772974961152256682
 . . . . . . . . [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 2015-12-04 05:50:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-03 05:50:00 +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 'pma.systeemdenker.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 942318695251738879167968257215118125116168039990446520622844771791198031563159329629870672956266953997517202891527026292277240326209611546224960384673324919160867677914514885260504358702706824311276965445536509660846089848918483744349267181329264508877203622624654490715819089763390449626715913640039771796255577863706142353257236442309342653352732789077084856512399343877351287916489564863172564430815227340841580881004645345473434080540980778479921673377313325440850158350139022637297163764934583567116520315874320133282123860748125179622581595643507819724748649795128526582168949799921246987976158685327103874332857598439984807416930104618805383386093249716589962595702284534595399772576491328363880218618881980721807149251858105883198067282476783858325444140814216220991952318429991535217893919171704659731729028369174952534496207415290022774674429639971222663375617191418756737085825274931054358061691740635884617768721984309357805442459732692052405765024375448976078678143751086175056382832448670950116557108890837849018623756319661787466368311015478776057389740421108054064371470030148031764888294025608487279703882653584701108161870541897596214146307443782546674080668271716454889061804981521358276863710747910917627363209101
 . . . . . . . . . . . . . . . . . . . . [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)
							fe4daffa32bcc13e72c8e14c151727348f66017f
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pma.systeemdenker.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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