*.kok-heijkamp.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:a4:93:67:28:98:2e:91:98:0e:ff:0d:c2:fe:7c:ff:f5 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=*.kok-heijkamp.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b5:a4:93:67:28:98:2e:91:98:0e:ff:0d:c2:fe:7c:ff:f5
Serial Number (int): 323146724959221946345881420400160392675317
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:2f:1d:40:1d:5b:b4:2c:ff:68:fc:64:39:c4:f7:a0:a9:5d:b7:d5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3a:6b:a9:59:f8:b7:93:0d:51:81:da:50:78:e7:79:67:db:2d:3a:6c
Fingerprint (sha256): 3c:5a:a1:36:8b:05:78:cd:6e:cf:2d:3f:03:33:73:c3:5c:f0:58:a5:7a:77:f0:03:0d:31:cc:bb:eb:df:e2:e1

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 *.kok-heijkamp.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.kok-heijkamp.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

*.kok-heijkamp.nl
kok-heijkamp.nl

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Certificate

The complete raw certificate details for *.kok-heijkamp.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAi49Q+KOWHn9PcbV9kjOe
/FLus+uCybOlZ2o0uhvFFQc2StS0MBF856N8XAQisf8axIQGweYuBUTfumgEcKiD
3ky8/M1NhSbtS0e8Y2U0T8WYCydOk7F5c8lvGpMlmHv+fxS33vjHtPvQFyGyPIE6
i2xaX8Rs2NM6DbQsTOPYtjX8XqaidCbjkoTqCKx0corFokkIQj23BH7P/5PhdFcm
iCBnaH/kmMHZCiiJyT5uwdGXJ3mD38IfMtBoZxHAvDymyaLNiuX0sEssuUfm6KO7
4PgfXSGVxcKb8/0KCUlwvej8nbY6Hc6+gB3BS+rzxrgz1wxa1KxsYyMIEf6E+dlM
wQIDAQAB
-----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 323146724959221946345881420400160392675317
 . . . . . . . . [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 2019-02-17 13:26:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-18 13:26:20 +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:12|false] UTF8String '*.kok-heijkamp.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 17617796288796857466223963393984302500015120631910636983087138051238685201154283559437892124421706544922150889102143328374606136157568721383653120065569172938252490028075844936298723554137728832374313537973138537711148583480867833275782244800942552604920677514759544178380662283960396196425494295089903691233941746234431936418069971107834395980238884325432240739937999442589666940269630700858248145429518220317705576070862353353995852218625907899649625725038245049974062530837051507205099728006373296008672331558993210670239525564808896552665703238092754435053477686338648371080596722208097539819478333835770471206081
 . . . . . . . . . . . . . . . . . . . . [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)
							262f1d401d5bb42cff68fc6439c4f7a0a95db7d5
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.kok-heijkamp.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kok-heijkamp.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000168fbd9cac30000040300483046022100a0cddaa2ff76d737f1a1d92242e1bd0a2bb47b60a8aa7b48806e2bb5f40912de022100b43e3408645789538c2d840a31e8fbd92cf37849af02f04f7851aebef4d242f5007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168fbd9cb0e0000040300483046022100a9eab08d795484d3f1946bde80b0843d9c3735f18ac0a15bb3d622954924a39a022100bd36662f8af6f2966df06b9d807dca2c9ffaddfc27ebcfb3460fb95fbfefe270
 . . . . [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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