fkok.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3d:8a:89:39:58:19:e5:ae:e5:48:57:ab:ea:07:61:88:34 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): 03:3d:8a:89:39:58:19:e5:ae:e5:48:57:ab:ea:07:61:88:34
Serial Number (int): 282278228148623364377563370099589049845812
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 88:31:d6:aa:17:32:d9:4d:b4:4c:e7:ab:3a:f6:ce:0f:38:86:4e:83
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2f:90:01:c2:89:8b:44:e3:69:d1:0f:99:3c:18:0f:db:46:60:56:9e
Fingerprint (sha256): 65:ff:54:8c:a8:23:a5:96:0e:d6:47:da:45:25:48:67:02:e6:b4:ac:91:80:c5:c2:cd:cd:63:1c:db:ac:1e:4c

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA51fbfyQqpiZ4zF2IQe2B
5gkxdm5dHsG/rbBKEZZjIINfT7afZsqU75RxD/CzCI05aRyEqTzCwEN7Y9+PJ8Qb
mFkRGAc0whVIs71RcbJMrNbMCvz2O9rtvLpVRBqQbjohNCNF/4zC0C4PohaIuiWW
X+XnT+oj1jV65hUkHckawsA0/fgPMu0A+pT7UY1HHO9DpVAqDATQTZv19XmkEpRK
SYTxADlYKq8skihRsJlYOjXy6jf9HcOJIsqC2rIhdkA8tzIQKSUGJg63i+cX95yE
ou0SFH2PresJrCQZRV7UvcNwjX3nrx0umgBUgdaHEKaCOEP4ElvKu19LWciTysLS
0QIDAQAB
-----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 282278228148623364377563370099589049845812
 . . . . . . . . [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 2018-12-04 16:41:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-04 16:41:17 +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 29204372550136400395875738911168706247173455496760420092248512107617010052942633269885484633959338276757670782208593878232119035413277996465355358010245804073773019544156400316271608710581060470482999514171975994922306110912388404640102872998965702262964349849624791891450362526574223452399136402177186975133837134202660009046058423495598277241303431760846570558847192865697195929486995717960349082450723148829628385690278376325329657207293870487151082749782942839297490744158804130382653693391495851375991081349859853417838863307145159683250189353410578551543230842036732803012588068770042424049662234681497427825361
 . . . . . . . . . . . . . . . . . . . . [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)
							8831d6aa1732d94db44ce7ab3af6ce0f38864e83
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001677a4f512b000004030047304502202fb5932326995ba7475767fb023b08c01293891fa96a8db55ccb5ec7c6df14db022100cf4269f5e41aa8f83401770f70038456449ab438416eec2e578a93bcd46a1aa5007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001677a4f51740000040300473045022027f67f95392ab47232bf4047cf27a6201c739e29524e46a69f6cc511393bc752022100d1213250f369c13c155be7485690ec7aa97a72220d94ac9ee7e838274456ddda
 . . . . [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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