mail.bosschewijnkopers.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:ce:df:9d:53:53:b0:eb:08:3c:7b:b1:af:a9:b2:0b:42:7e was issued on by Let's Encrypt.

With 3 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=mail.bosschewijnkopers.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ce:df:9d:53:53:b0:eb:08:3c:7b:b1:af:a9:b2:0b:42:7e
Serial Number (int): 418844546036491824357509396386939375665790
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 56:31:c1:11:f7:d2:42:68:55:41:2d:40:06:6c:f1:4f:52:fa:d5:74
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7f:15:14:27:ed:5e:9b:a3:2c:e6:8a:af:73:64:cd:89:76:b5:c5:ea
Fingerprint (sha256): 43:0e:ac:2f:b8:95:25:b6:d2:8f:a3:20:c4:85:95:9d:9c:be:ce:e1:84:1c:08:79:ca:41:3e:01:0d:f1:e7:ff

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

Revocation information

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

Check the revocation status for certificate mail.bosschewijnkopers.nl

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.bosschewijnkopers.nl

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

bosschewijnkopers.nl
mail.bosschewijnkopers.nl
www.bosschewijnkopers.nl

Other certificates including the domain name bosschewijnkopers.nl

(limited to 100 certificates)
bosschewijnkopers.nl
bosschewijnkopers.nl
www.bosschewijnkopers.nl
mail.bosschewijnkopers.nl
www.bosschewijnkopers.nl
bosschewijnkopers.nl
mail.bosschewijnkopers.nl
bosschewijnkopers.nl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx0ggHQT64Ngkkgp0ObVt
SF0q6MxHFpY1x1sOVjseq188H73FvzWsGIgPkM2KGzXTTFb3arnO59phljqbzghV
En1nstZLeuv8n1Cox8aHtrrry/7NjftxUkYbUSRYyKEKggspsecBVsZms5334kus
udNj5EhcUsK9kN5FjKPgczDiC9aFqIvIIUw5yOLdMuHl5MJNU3jexCvORG8/9CCR
W1wua4cUDXftrHi+m2KWzE8/MlqMJ9pVOTTJwjBSUss8p2iKgbzqrw89krG/WY0o
S3eF9QCjR/Km7ycQXjSyCximZUY/3jQ2Zh0Scmo2jWvdS3TMPqIUw6tXOo3wZBXw
bQIDAQAB
-----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 418844546036491824357509396386939375665790
 . . . . . . . . [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 2024-03-10 21:20:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-08 21:20:08 +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 'mail.bosschewijnkopers.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25156989069668379629847264962802810424593854134222663215908468125756864320772162594080525275369045736595044421593940543530600382618490247782217782574794411767008830704337918323657935165243978713506062786471957757651500852785702813999453746940219132828627284499207163433608309362946892490792677459652487457252406558244595863555396066010794621728807655534304996379759316662582474553254285846240492145529459356709345020214815416284386155995790048722100563199226195205900295873472073333925022505558968120698060023532690670807972265646385105544633107849712441994232714789875855021701163197685032158104149092388147746435181
 . . . . . . . . . . . . . . . . . . . . [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)
							5631c111f7d2426855412d40066cf14f52fad574
 . . . . . . . . . . . . . . . . [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 (77 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bosschewijnkopers.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.bosschewijnkopers.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bosschewijnkopers.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e2a73b37f0000040300473045022016fa35e9a95e3d6e635b9cbe5f575eaf9d6a432a97a0450cfd9c0b15e0e439b8022100da461060fd54dee3adaad631ed33b66632b8db3a30fa5a220e5fbe680745e74a007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e2a73b37c0000040300483046022100c0bb15cfe184f84a13771414470bbb52c75ffd0bdc43693fae0919531f1cca890221008a8d74e7c15d04a4f41953faf584359fc5149a0976ea65a05b0dc56f24ee7640
 . . . . [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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