fkok.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:72:ee:0f:75:aa:f6:0e:75:8d:dc:16:3f:b3:4a:6d:43:76 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): 03:72:ee:0f:75:aa:f6:0e:75:8d:dc:16:3f:b3:4a:6d:43:76
Serial Number (int): 300445484158304274822043568620375485793142
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 88:e0:ae:d3:10:f6:5b:b7:79:c2:ed:13:0a:ac:3f:b6:13:38:08:dd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:9d:4f:eb:d3:3b:d8:2e:4f:d1:90:e2:54:53:44:8a:8b:64:83:77
Fingerprint (sha256): a1:4b:7d:1c:e3:b0:46:f6:f3:30:e8:14:5d:77:7c:5e:69:a4:bd:3a:ab:67:3f:da:3d:bc:10:7c:56:4a:cb:a0

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjJA9PUISvTkU44quTxoC
RpTk5eJe65meV2qmUAlq/ELyG1rI0G2cj46S40CURxmSMWp991XlmWvIfokwfDUO
RNaciCHbkPqksaWnsfCxx5h85FZUYBkcRU3ETN0b8A8o9YAUq8KZa10Got4Xfa+k
5wUaH0FULBy0DkMlX7rw6BuYze++RSb+ygL5Bqw4s1HDJclBVZqRsa9WIuLW7FUS
LGToEgPwEBG7kJ2fZFbw3c2OXldwpBOTW50sGSJz45BI6vQS+lgytKw8Jx3EBKRm
g9sy9kUVbJ1OWTQdkWIgdvGmEUtewQcfVc9aXCTgr0zewYjNnpEfG+l0sKzpvO/R
nQIDAQAB
-----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 300445484158304274822043568620375485793142
 . . . . . . . . [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 2020-04-01 02:19:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-30 02:19:43 +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 17744489703585089175159236848839779922038492431691309170742680104719735630741706778318904688273540239550765072653714787175504440852718833936923347094938677560278621520918310218566777990984211880523722121734869666557865701379494663508967896101974243890435837019528022219391094302787308331314134135277299387926485783101392666019128281020821483423077260612298715266107184914366281672239909829372336320592825533369441742266278829581374846298583724464277105607363026645676871066039150831146572307364651360896964207761089936155183590055326352926343464794762133592076552720223698383953240379972581731835302013661530190500253
 . . . . . . . . . . . . . . . . . . . . [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)
							88e0aed310f65bb779c2ed130aac3fb6133808dd
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e0000017133c0774a0000040300483046022100c62a95769349e58ca2837c0581039e8be3a34de3b2badcee6c79042796a3a2d5022100c2e9e824ee02c74200f363cfbc75bdbffdb654e31edac3cdc69b6260b8e744d100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017133c0777100000403004730450221009357e8254587cbfc181ae6861c42fb3b78701d063769b1397246fe65747dd7ca02203313da6d74df307695c336935ef7f84f1794e073071b7577b0e9f41b028763c8
 . . . . [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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