DV SSL/TLS Certificate for contactpsychologiepraktijk.nl

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the contactpsychologiepraktijk.nl DV SSL/TLS Certificate

This certificate with serial number 05:57:d8:86:4d:66:bb:6c:0a:98:0f:54:cb:d3:75:59:e8:06 for contactpsychologiepraktijk.nl was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for contactpsychologiepraktijk.nl provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:57:d8:86:4d:66:bb:6c:0a:98:0f:54:cb:d3:75:59:e8:06
Serial Number (int): 465453806165676281418369903416856033224710
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 50:c9:97:19:a7:91:96:87:e8:7f:4c:3f:1e:71:83:f8:e9:d9:40:78
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): e2:f7:43:f6:13:26:26:97:24:4a:fa:29:04:8a:cb:d1:9d:97:66:f9
Fingerprint (SHA-256): 2f:97:06:f7:22:12:21:d0:06:52:86:ac:ff:94:68:08:ca:80:85:d7:12:9b:7a:fb:40:eb:7e:b0:c4:94:b3:17

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/7.crl

Check the revocation status for certificate contactpsychologiepraktijk.nl
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for contactpsychologiepraktijk.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for contactpsychologiepraktijk.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 465453806165676281418369903416856033224710
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-30 12:55:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-28 12:55:05 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'contactpsychologiepraktijk.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
 . . . . . . . . . . . . . . . . [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 798268614469740241785601564129624516725900246411901275034583758662254868879929682822780876855772178239573604539081634131988621269482239398226070367493268913620438825971756073933658882985582713212165801088445156247979948632436591249232153690472358215272122917198450141253981126169086393048400830300352022847198052167443843390362964658414843839455574416276299375568707379635851847608504751385559471476439387990310147172967274006883222568639500307936554616869125669989665175989953082491204742572855947478875558272373837818742389660511907862829645493457772011165063892014068181434048600680912146968087868863394895918790218319056868982922760370772692180346289084289008234270912260576585231860036838408783732876729141521791145833220954495766457067849327686169394176798910583697342320957288618730742591470921671088778219337473299396821508860059161361573849898451150017310656607483651150231208719387353356298825202087215587656230243502955219734050363252589416267038564653103326169693045037254063497598613832618731410662702052276520050851344361968428821984317788450713384728961147541809396660430748538737794620124529942692152377798614383543582994357541643483010114717732060996423921996786130201807915114581138808139034742268485728303446141191
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							50c99719a7919687e87f4c3f1e7183f8e9d94078
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.contactpsychologiepraktijk.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'contactpsychologiepraktijk.nl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/7.crl'
 . . . . . . . . . . . . . . . . [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)
							00f00077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197c11d5d2a000004030048304602210084be07ec8046448d8b96d74bb88ef4cba090385d6b1d716b608848cacf14d4930221008da715b903f268a66f4349dda67a7a79c17ef721be6e37cbd6f62dca0610c318007500af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000197c11d5e40000004030046304402201539f3512966f0dd925b23aa1e4999b3ca037f5f7b273a888b446c8f4448161e02201cb7d8c201abb8f603497ed9c8ee9826d298ad895b297119802ff22844a2c551
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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