ftp.ictzaak.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:f2:13:57:0c:41:c9:69:e6:6a:c3:ac:bf:58:92:7d:55:52 was issued on by Let's Encrypt.

With 6 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=ftp.ictzaak.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f2:13:57:0c:41:c9:69:e6:6a:c3:ac:bf:58:92:7d:55:52
Serial Number (int): 343710897900495534349143330705988397126994
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 65:9c:27:4d:42:ef:41:7a:a1:ac:e2:7f:ed:f3:2f:8b:9f:ea:34:aa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 93:1e:5d:0f:43:2c:4d:b5:81:a5:35:ad:0f:a9:fe:0c:73:94:97:6d
Fingerprint (sha256): d5:82:fd:0a:a1:ce:46:59:37:c1:63:35:a4:29:8f:a8:50:b6:68:39:cc:75:b0:cc:a2:7e:ee:59:97:a5:dd:b2

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

Revocation information

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

Check the revocation status for certificate ftp.ictzaak.nl

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ftp.ictzaak.nl

Public Key Algorithm

ECDSA

Key Size

384

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

ftp.ictzaak.nl
ictzaak.nl
mail.ictzaak.nl
pop.ictzaak.nl
smtp.ictzaak.nl
www.ictzaak.nl

Other certificates including the domain name ictzaak.nl

(limited to 100 certificates)
ictzaak.nl
ictzaak.nl
assist.oneeightyone.com
www.ictzaak.nl
assist.oneeightyone.com
helpdesk.ictzaak.nl
ftp.ictzaak.nl
assist.oneeightyone.com
deslock.ictzaak.nl
backup.ictzaak.nl
asistencia.okadrive.com
ictzaak.nl
ictzaak.nl
ictzaak.nl
assist.oneeightyone.com
ictzaak.nl
backup.ictzaak.nl
helpdesk.ictzaak.nl
eset.ictzaak.nl
www.ictzaak.nl
deslock.ictzaak.nl
ictzaak.nl
deslock.ictzaak.nl
helpdesk.ictzaak.nl
assist.oneeightyone.com
ictzaak.nl
assist.oneeightyone.com
ictzaak.nl
helpdesk.ictzaak.nl
ftp.ictzaak.nl
ictzaak.nl
assist.oneeightyone.com
www.ictzaak.nl
eset.ictzaak.nl
ftp.ictzaak.nl
ictzaak.nl
eset.ictzaak.nl
assist.oneeightyone.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEpJYhff+G/hQIYkTiG5DKcxMJzhCmx/ij
sDMfD1vVTly3EifbyTqMRHKPxibt3e3IXFomrRAnqX8dlgbqaWWy/a9RE5p4GHxX
lOWDTg05umn99Gjl4/mu0IwuQwOtJnk7
-----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 343710897900495534349143330705988397126994
 . . . . . . . . [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 2023-12-14 22:14:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-13 22:14:23 +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 'ftp.ictzaak.nl'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				0004a496217dff86fe14086244e21b90ca731309ce10a6c7f8a3b0331f0f5bd54e5cb71227dbc93a8c44728fc626edddedc85c5a26ad1027a97f1d9606ea6965b2fdaf51139a78187c5794e5834e0d39ba69fdf468e5e3f9aed08c2e4303ad26793b
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							659c274d42ef417aa1ace27fedf32f8b9fea34aa
 . . . . . . . . . . . . . . . . [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 (96 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.ictzaak.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ictzaak.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.ictzaak.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop.ictzaak.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.ictzaak.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ictzaak.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c6a9c1beb0000040300463044022050a60dce89a3de7c284945e36ff707e6b5c69cf489f6f958612bb55bf117de23022045b4fb629a36857166a8becb94a69b0a66f19f20147b06d8d959e6bb233f332a00750029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c6a9c1c1e0000040300463044022053ba3843ee47314ab856c1f536081d721cbaf4091dcb8fa56a53c0612f9b0dcc022074943eef0219906549b568f6e8d2f1571c74b269c5ce4ba0d71c3af9974e1529
 . . . . [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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