computerdoc.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:02:a6:1a:14:7d:c1:08:35:21:89:23:2c:9c:b6:91:22:57 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=computerdoc.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:02:a6:1a:14:7d:c1:08:35:21:89:23:2c:9c:b6:91:22:57
Serial Number (int): 349350495723512934370365296120923163796055
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f2:64:1a:4f:65:74:ea:c6:85:4d:df:6d:0d:9d:e3:31:06:d8:a0:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 67:8c:33:d7:a2:64:7d:6a:ec:85:6c:72:79:18:8c:6f:ee:ac:7a:51
Fingerprint (sha256): 87:07:6f:bf:f6:c8:01:54:11:95:0d:7b:04:79:3d:22:dd:a4:af:d1:63:41:44:4b:b2:b0:74:21:7c:39:0d:94

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

Revocation information

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

Check the revocation status for certificate computerdoc.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for computerdoc.nl

Public Key Algorithm

RSA

Key Size

4096

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

computerdoc.nl
www.computerdoc.nl

Other certificates including the domain name computerdoc.nl

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 349350495723512934370365296120923163796055
 . . . . . . . . [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 2023-03-27 21:13:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-25 21:13:58 +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 'computerdoc.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 744787648755701834913898868761751146164835477617472052004107223401487966084418530516233261567092850073871896944736934209718922907718985115415070517421077812857682199174346104876541173947754175456315180267197074949676720235484540256533211745650951651152958915429871886906582195603974643014090462616734016393710919099855846409889329370092862250406179157059580614442930711647536758001505142978132045831612467781161734347007619646255555299765400055259381226163968308452219033343622130621872092532964296961593845113047945204596311550967975717451542137422668323753849534559445232887863543752424933687138812101222593504758741584784586517046789659132444426463197486340237309174847604254890946547013017099887442123379884633435671724623883715354712477123583281900410828502952865080878672505503937340658896093320369813346958611953357810892226313675038619766136955710835844553170165997705550643852730947802059465671091869029351140049756290246166673424960554019110716507621102356962543872252422691117173100686057370591465265619500554295985661489325385851013747491749589492067693716295898817685819158487953742185292311916349357686200548777363493798694011328133914607023670670829024907925795115054692044951831345206458256901916339841044348272334249
 . . . . . . . . . . . . . . . . . . . . [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)
							f2641a4f6574eac6854ddf6d0d9de33106d8a079
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'computerdoc.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.computerdoc.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001872522a41b000004030046304402206fbeeec45de5da977b8c7517a6070be144f8d81cbb10762e6cc83a29ab902a270220786add98e055b4b4cb669ed503e25818a904ee38a5a36ac3bbb63ce3f165fbde007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001872522a4490000040300463044022062ea99827f0863e769fd6c32cfb9f1d1cb283d0c3df531d6f49abe60380a529a0220194aee0d1bdf8628fdf0c206b3977c7aa39068817bde1c0b4e21b797dd1a2c0b
 . . . . [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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