f-fort.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:6c:85:29:bf:60:03:a8:0c:77:0a:bc:fd:b3:66:3f:a9:af 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=f-fort.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6c:85:29:bf:60:03:a8:0c:77:0a:bc:fd:b3:66:3f:a9:af
Serial Number (int): 385376643443660203891838952489331275573679
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c2:9d:f2:46:7c:03:f6:20:2a:a7:2b:a2:7c:4c:1c:4d:a9:70:ab:f1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:15:24:96:27:89:54:83:e7:d7:5f:d3:45:d3:22:e1:32:02:58:3d
Fingerprint (sha256): 6c:33:f9:13:7d:c2:68:0c:a1:80:7b:08:22:fd:8b:fa:2e:75:14:5f:64:87:d9:59:92:9a:ae:8d:e0:08:40:40

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate f-fort.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for f-fort.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

f-fort.nl
www.f-fort.nl

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Certificate

The complete raw certificate details for f-fort.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqdrQSi93JY9LeKLnz8am
YyS6l6Q2hx9Hv4WtXKn3um5pklnRDOj2yQ9mb3piK7sxGhuQxAakTf4uDZaYM6+A
wu9Ja9GvD/t0EqYoLhxkAArphmLFq3/XNa2q61fpWuwJaTevIX1P1n+5CT9hflCa
s8MF13cMFelMmbeBzh6sioLuofBt3vHOh7g7jdMJcJ11YLVvzyaRu+oIKe1KKTIs
BkG6AgWUeeRUDYa1Ip9xhvK+VcaK1QXcRHZQiDjj18zeu5Jq0lyb6pt5GB9JWjlq
txebbVe99N1c4AVPE9KYDkoXKM8dtVBfoP/hS4wNyMHFaFk/KVkkgpEZRxNjTHKj
cwIDAQAB
-----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 385376643443660203891838952489331275573679
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-06 10:59:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-05 10:59:12 +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 'f-fort.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 21442174562719240532509571775740006360289279674465577164256640934299982102805648633920984223834321660344447699634230759879644670137332517158535095461510490106790129628894685079500610352718277692742003122889364426603633498539194042508395025482596450543683631838809001221546212757231302687327115337834789973810450871427400791262651989890719490945083602334707003209256357358462921895223551326704374543518393569019538374850892312103359020639216906556226340998032292312814434053384183571743615626290399098437588501086775680365233620537072011732229901026800414327130420326230972691175028947818994607819164527436384026403699
 . . . . . . . . . . . . . . . . . . . . [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)
							c29df2467c03f6202aa72ba27c4c1c4da970abf1
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'f-fort.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.f-fort.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a6a5c616d0000040300483046022100cb43e2285f9bb45fb8c73ef8160366765040e8d496ab3995213ea4927256a6ed022100fbd020851bd3ac8a3b0356eaddd62799ec67ffe07295a283aa73da65aa2b9fca0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a6a5c61950000040300473045022100bfe6f251d756ef3725440a36d90e0501a5a665f975077eb678a9ee25ce66c9430220156cf836aac0daf1745251e2ab066d02706da400d4f38c783f07b9b815af2c9b
 . . . . [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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