computerdoc.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:62:37:0d:ca:5d:75:ca:63:9c:9f:21:0f:5b:ca:b6:41:3b 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): 03:62:37:0d:ca:5d:75:ca:63:9c:9f:21:0f:5b:ca:b6:41:3b
Serial Number (int): 294757708897611454156083399224964152705339
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:a4:77:fc:74:75:32:70:59:6f:34:99:03:83:52:4b:64:95:54:f8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 25:27:18:d4:29:14:1b:59:21:6b:a9:aa:ef:ee:e6:86:83:5d:ff:59
Fingerprint (sha256): d8:f3:46:4c:23:83:3d:07:d4:fb:f7:44:a7:f3:e4:b2:73:16:b8:6a:cb:36:ba:8c:52:1f:53:51:12:be:84:9f

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 294757708897611454156083399224964152705339
 . . . . . . . . [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 2023-05-26 21:16:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-24 21:16:03 +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 865980344527436766043136194732202889188476670583148925334256909981184049201351245923466482761669927607901014327450766100685628556279191336505983598283836169026571612395418364761417254729722207981673093805433985821347295021549411963229289378395757372172367533833232766309867930420285565181355938942477985372152335758413580985326188610752395692970542517455896619002377495080325597853500074845014318055733517426780332612772042342778284905066553773082508974525333580516495631473289688857927541001316944434648402775990591459452356367922365821155564736862719977277965081125763551614616834956987781303141634335500509627399691419126105764773148947529762466569491506349434174844496899243921607602419102896596403376698224307595541215049637743750890162324108075411630360619682746896981278737657988754898775162181451891889642099812017851739439567946746263776920644362855839252204094429602744150022925400574698904549217386264122962972389003232279873477196866401728636817772073766109434708932009962357224454636416571337114422755995527695531576841538176689659991597331077584850689646718704113705757101054542816367408412338591069627185131245005049924552006803509253669106448571579886517430296910213448974275101921067808183351733787228238677558824047
 . . . . . . . . . . . . . . . . . . . . [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)
							f5a477fc74753270596f34990383524b649554f8
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001885a22193800000403004630440220752f57386da752d8336b381a03db547444cde8c26aaf18867ffc8ebe87e624960220198ed80313d181e5befc35105a99bbc2372d725f22d35a021d8da3c2819ab010007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001885a22195900000403004730450220433deaebaa37f6802c6fe2dc6e17f3c3d456acf91760b06e4c3dfabdab73e7ad022100db1c65568851a256fbe59903ab44ce467afffdbc68a04e47b36508b6c1c77946
 . . . . [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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