fkok.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fb:db:1a:99:a4:e0:0d:3b:de:1f:7a:6f:14:d9:fb:a1:9e 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=fkok.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fb:db:1a:99:a4:e0:0d:3b:de:1f:7a:6f:14:d9:fb:a1:9e
Serial Number (int): 347038970939502941402860630948092309119390
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f3:83:d9:6d:5a:d9:c3:a4:04:c0:8b:2d:dc:e5:4a:06:bd:f5:70:52
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:53:4b:e5:68:69:d5:f0:22:10:b7:9b:c9:6b:27:8a:1e:46:a3:d6
Fingerprint (sha256): 10:d7:d2:cd:c4:d1:09:d6:f1:f5:37:25:08:8f:57:2a:74:bc:03:f8:b9:01:4a:62:ec:ef:1d:81:86:96:de:91

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 fkok.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for fkok.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

fkok.nl
www.fkok.nl

Other certificates including the domain name fkok.nl

(limited to 100 certificates)
www.fkok.nl
www.fkok.nl
fkok.nl
fkok.nl
fkok.nl
fkok.nl
fkok.nl
www.fkok.nl
fkok.nl
www.fkok.nl
www.fkok.nl
fkok.nl
fkok.nl
fkok.nl
www.fkok.nl
www.fkok.nl
www.fkok.nl
www.fkok.nl
fkok.nl
www.fkok.nl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArVPM4szO2p9t03ltQfzg
8T8YjqOmfmO7ifLE4bcApRkm7YsYcW50n2y3wtuwVeLd74qeCkiSzg0nDobuhED3
aJfo4bNtgyztw45kme4pQRROerKqsh4KtsfkNZF8hsZcPY+aASld6y4U+wLBGj4x
XgQNP6Qnpaqqnz7LLrgasIW/g1BJvlJzqBvcC2X8UDpfLXtyG+A/Wydps5ZEGZox
PJev/2Kkk1+ApdWm7YspsaS0SeY6x/99RcNMg42dRdpU/QQl064zpGDNh4zYYTMq
xW18R0NZ3vUxaOFp5fUcV8hiF35JPxBUpfSSSHc07buijUXHPMSbEsBjZyMNNg04
/wIDAQAB
-----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 347038970939502941402860630948092309119390
 . . . . . . . . [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 2019-08-04 07:32:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-02 07:32:10 +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 'fkok.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 21880550244806175870148172808797657358643215156599309978511037747792657675970358689285391077761729743322174170986871872596689981622388826773173961764598850282988590863865194865273043822151630593365017644881686859329628884350932951980856865487001416326529844923518022619224731831519668664731510070045024714620564795478821971407656922389837446436534720725124168934757144060474074615940054633816563455675842020969819749972152052886600813391587763178928189523295403635011518385082793508114451091986334316268638527888494554389226884387896621846208591906059361649415364522072790648898240950177252609213213501037132596984063
 . . . . . . . . . . . . . . . . . . . . [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)
							f383d96d5ad9c3a404c08b2ddce54a06bdf57052
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fkok.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fkok.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c5bc1e9680000040300463044022032e8c016c2d9d746ddc2ff03238c3f213f9f0ee790963d5a16a05fe0068c8e9d02205d383bd703a90336199e27300d27ea0a934ed3c872d967626b9d17eccd6fab4e007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c5bc1e95700000403004730450221009bd2891499d2590a404231c126f1408d2bfbb40ee00836d6099763f772311461022062dad89227dd9fc08bed029697ae59288362e6033b5badcc142390e87bddbd6a
 . . . . [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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