computerdoc.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:46:49:84:70:4f:ea:34:4f:72:15:5e:f5:db:1a:fc:73:e2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=computerdoc.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:46:49:84:70:4f:ea:34:4f:72:15:5e:f5:db:1a:fc:73:e2
Serial Number (int): 285254344784585441017503070737067350455266
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c0:8f:48:7e:54:c4:be:a6:18:36:5e:71:56:bb:ff:26:57:fc:4b:6b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 67:ee:74:45:93:88:f9:15:82:ed:08:19:ae:2f:e2:81:6b:33:70:2f
Fingerprint (sha256): 95:94:a7:5c:51:86:a9:93:f5:a9:7a:f2:b5:93:84:0d:0f:bf:d9:27:c8:fd:06:df:f9:ae:a0:14:cd:d6:27:0b

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)
www.computerdoc.nl
fact.computerdoc.nl
*.computerdoc.nl
fact.computerdoc.nl
www.computerdoc.nl
www.computerdoc.nl
www.computerdoc.nl
www.computerdoc.nl
www.computerdoc.nl
computerdoc.nl
fact.computerdoc.nl
computerdoc.nl
computerdoc.nl
fact.computerdoc.nl
computerdoc.nl
fact.computerdoc.nl
fact.computerdoc.nl
www.computerdoc.nl
fact.computerdoc.nl
computerdoc.nl
computerdoc.nl
www.computerdoc.nl
computerdoc.nl
fact.computerdoc.nl
fact.computerdoc.nl

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIF/TCCBOWgAwIBAgISA0ZJhHBP6jRPchVe9dsa/HPiMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMjMyMjIxMzJaFw0yNDAyMjEyMjIxMzFaMBkxFzAVBgNVBAMT
DmNvbXB1dGVyZG9jLm5sMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA
wWpSYactmzacyOMPN3Wq/8GkH742aB/9O9uCM03JBpvmqZfUt1vVNRMSych3KwbJ
0THk+NIF2Ltb8wvgB6897Z6PTCC73jXz46IQtY863jVnJdODy5SzwCxBfTAz/u3G
j8JzWz6Zu1d2FsmVJNMZBdC72Hx7+057nZpeCHYNI+hCZks4hcwnX/sjl9th9YqW
8J9a3pdaiktnMy+52UTq2UG7kMKxRnsWnBod3FFoAZ6b0H6DDaHUR+meoEgTp4U1
skRuGA7f+8MPtIe0IaARcfZam8ErTjm5/MVNjsGt4Cg/WRmKWVSxcg82VyKC/+FB
JT1mJOTCpwF7qJeIFfhd8vNTQfcqs+xNhkZto1ktrozk7z4KoNTLOZY7IECxF/P1
ReesTRtTQGBKHvAn/Lj2tR99Zewq2H8yqdz4gDbj9+DoRr4G2TTcxQzJseXJIUqW
mF0Yi9uyHIDwJhbUJxldTJd2sTJEvGpPyJIvNqW/cYlkjRVvs7CaGVeayVADkZwR
qQN2/fYfplCwmNIba/WVGsKjblWY4/MYl2PMJSZrWxx1GMgcgPmmb74G1cpr1eKT
sRsxG+9Q2/nh4asd35BIzecSSjXE7SciC4DPet8YVJGw/NYUdK5dKdesXxLhmlvi
YTtYNTBSnksz0YacCelIYovnqW89s4ib2d31VRvJClkCAwEAAaOCAiQwggIgMA4G
A1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYD
VR0TAQH/BAIwADAdBgNVHQ4EFgQUwI9IflTEvqYYNl5xVrv/Jlf8S2swHwYDVR0j
BBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsG
AQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6
Ly9yMy5pLmxlbmNyLm9yZy8wLQYDVR0RBCYwJIIOY29tcHV0ZXJkb2MubmyCEnd3
dy5jb21wdXRlcmRvYy5ubDATBgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB
1nkCBAIEgfUEgfIA8AB3AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRz
AAABi/59FY8AAAQDAEgwRgIhAJMEaqBrHeKVR1lcQXgoxju6MUe0qKeidvYoJByI
XAGFAiEAkgYhv2P97uqdqpdqxaHP7ad+sFlJcmhNhVbleVR6eqMAdQA7U3d1Pi25
gE6LMFsG/kA7Z9hPw/THvQANLXJv4frUFwAAAYv+fRWXAAAEAwBGMEQCICh0k6ca
lkwtoLHDVoQcmDTnyCCQF3Nt4022SDydAhLMAiBA7VHXlzfblJfWKtDfCxS40X0a
c2bD34PX8IYeP/LC6TANBgkqhkiG9w0BAQsFAAOCAQEAhA48zAfNAqdvXX7QZVFA
yQ++runzVyEB6srCfaV5/DRtcgOjbkwsAwINkgjdcLcu3g+SxJHFz21aspwujc+o
R4q/fEWTtvaRaVfZ/d45RhOlEtNpoZNsKHb/qEoKu2mlYzwB+I6vLs4wlU2XFv9/
IPn6H4IBrhXE5mx71UIyEz4KbA9SB21FWB7yNVgNqUxXUcWsyODL/WoRsbU9VwB3
lNVVJCEkoEAGt3sBCxO1fspZDgNVqG3XBVOaPmD9zcYfzgJzOF2X2KUdqR7BWYqn
AukjK/JpbOzcMuEL6yiAKo7GMM3udrWTgv4uSgd4PVPyv1NK8Fya+KSdLY93NXd4
CA==
-----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 285254344784585441017503070737067350455266
 . . . . . . . . [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 2023-11-23 22:21:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-21 22:21:31 +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 789065661030791586737247267799050684758106446161644397495582484774288319221413783010213901284512829302901961519172624371608455212129457982078987633965956120731565117209408772630348719227383633398166082552505463761513429882435384494879875782279956871062179949868307786672052741197946717006269333866441188371664583911464512095370131769148293808186032932305335980983529199723399893927233255382746363271470754999059318171406966200602897652845244272997770558532541615719600046832892429148461778676589343878901135476504880328362877627299611009261555926407023143839963287750563350027015041047281544546321863886393475534095446025568228645714210910715509617698530481911756407675939837878470164952931482918010564556382030701414012939174088665728912995786853165211079562788164402784497420668296624773245288127015456385327026164737987196300918647844608297408011665412491932580676666169789474117617277416814208945665461152174465099676925051309234351072019038584668353080872473937277796745217056954827085783243703418105179768456805225591649169843892086475382484674334849636402730686891638232562945015207598554254785375070631648299171975642116821462942040425028457867329876953672561259525366874336084345899328187140443580885862185199006371491154521
 . . . . . . . . . . . . . . . . . . . . [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)
							c08f487e54c4bea618365e7156bbff2657fc4b6b
 . . . . . . . . . . . . . . . . [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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bfe7d158f000004030048304602210093046aa06b1de29547595c417828c63bba3147b4a8a7a276f628241c885c0185022100920621bf63fdeeea9daa976ac5a1cfeda77eb0594972684d8556e579547a7aa30075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bfe7d159700000403004630440220287493a71a964c2da0b1c356841c9834e7c8209017736de34db6483c9d0212cc022040ed51d79737db9497d62ad0df0b14b8d17d1a7366c3df83d7f0861e3ff2c2e9
 . . . . [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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