dofi.ibz.be

Issued by R3

About this certificate

This digital certificate with serial number 03:ca:5a:4f:75:c3:a8:b1:cd:86:e9:1f:83:d9:ca:75:b4:80 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=dofi.ibz.be

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ca:5a:4f:75:c3:a8:b1:cd:86:e9:1f:83:d9:ca:75:b4:80
Serial Number (int): 330193939012926399989038199931190453318784
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 55:1b:3a:50:58:b6:63:0f:4f:bc:2c:a2:ec:09:6a:2a:01:3b:be:59
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a2:85:09:07:b2:65:cb:23:47:37:98:b1:4f:f5:57:43:be:f7:ab:3e
Fingerprint (sha256): bb:22:3e:8a:cf:72:a8:32:8f:b3:18:22:49:20:ae:a3:6a:a5:ba:65:6c:d3:7a:b7:86:12:bc:b1:f4:02:d1:73

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

Revocation information

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

Check the revocation status for certificate dofi.ibz.be

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dofi.ibz.be

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

dofi.ibz.be
www.dofi.ibz.be

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Certificate

The complete raw certificate details for dofi.ibz.be in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmtjiSN9MtcataP8qfpnF
a5sRrurgVohDBKLrJ9TD3nDlWCVA+6nO/n07aXpBACUHv670SKZaA/1Vo7vYitbG
LcSEEMnFu4O7c+/Vo11ngHgC20T8q1edFh0puHW+ccGU42Azael+X7A4G98M3uZQ
u58YQPPlf01iWElySqjOgOpbMcc0rdv9HM6y0hjJ+9CwC40ZtvUZCTihFWaEaenQ
USKTtkzYFDViDoVeRvCkHLhheuroHoXo+o6CyeHg/JIFGdrlfoiXUGDWkFve5kZv
qrIxiKwxGtRFMi14AJTjEuTB9SmA3UbCt6ufrwTOE4AQYrDC3WPvPgzJuWYplw1u
oQIDAQAB
-----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 330193939012926399989038199931190453318784
 . . . . . . . . [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 2023-11-09 10:55:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-07 10:55:20 +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 'dofi.ibz.be'
 . . . . . . . . [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 19547648413976188117838242166092397398188585196128933657878557691640459968977126353940129164596317180198912244398170577765437866366366400053632718374358131006560332509508443311676075311324535901859301460917463986588150556129937282438051988988983633325032451312175246403591146560532955406176134368767483105971352929836582047002587239551837094822410606214773335476257768407164011471337142437095317346209714090483838879712368738968957564673355315662333697660924226943955015083840419660314654946830708285123236885070473300441101787516015015465587315696853553143630239827863902835764000458781520199579188228317693327797921
 . . . . . . . . . . . . . . . . . . . . [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)
							551b3a5058b6630f4fbc2ca2ec096a2a013bbe59
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dofi.ibz.be'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dofi.ibz.be'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bb3efd7e9000004030046304402200b583952aabfaebdc64dfaa8cb9e36e36fbf5d11f4eea357b28a863a38f1e92c022069602fea1376e829e27d0f369d9afed46d2f0e45bcc4f542d43ba13051ecb97800760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bb3efd85e0000040300473045022100b0e07949bb22f34136cdbd6753c063e24dd2a0af1a009245780ec8e23e4c0e9302206c42f10a6af121604bc8e951acec91a55918d8632604829e642ea4db83a17817
 . . . . [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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