*.alfasailing.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:27:52:ac:aa:a4:9c:85:24:71:09:a2:15:17:fe:ba:2a:ba was issued on by Let's Encrypt.

With 9 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=*.alfasailing.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:27:52:ac:aa:a4:9c:85:24:71:09:a2:15:17:fe:ba:2a:ba
Serial Number (int): 361830049268723109647377258741178228681402
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 92:37:4f:8d:23:d7:31:01:bb:c4:7d:10:f9:33:6b:ca:67:57:c6:1a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3f:d8:69:66:51:15:49:42:7f:ff:bc:8d:08:6b:3a:64:20:53:db:7f
Fingerprint (sha256): d5:c5:04:8a:b2:c1:c9:1d:c8:99:fd:f7:e2:17:46:d1:59:c8:ea:e5:41:f8:f6:ea:64:08:eb:04:a4:88:48:25

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

Revocation information

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

Check the revocation status for certificate *.alfasailing.nl

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.alfasailing.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

*.alfasailing.com
*.alfasailing.nl
*.stevenvanbemmel.nl
alfasailing.com
alfasailing.nl
stevenvanbemmel.nl
www.alfacom.stevenvanbemmel.nl
www.alfaeu.stevenvanbemmel.nl
www.mostwonderfultime.stevenvanbemmel.nl

Other certificates including the domain name alfasailing.nl

(limited to 100 certificates)
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
*.stevenvanbemmel.nl
stevenvanbemmel.nl
alfasailing.nl
stevenvanbemmel.nl
alfasailing.eu
stevenvanbemmel.nl
www.alfacom.stevenvanbemmel.nl
stevenvanbemmel.nl
*.alfasailing.nl
stevenvanbemmel.nl
stevenvanbemmel.nl
stevenvanbemmel.nl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA47NDVNUCPkzrvKyPbsBU
oJGNcgEZDf2ukV5Jnd9e66IEBjFXAzQHvEnRLmbdVACkzrvm6sdHbQXeqpyZFmtx
yRU0o4/5IndVcu9hlPJ6UuDV8c3zhNH+rwHUM/pFADXdvDlbtSdzE1aNrkRqx4y7
e4HIBQV7WCHySQnm/BEgfpFVERVIs+OXc8OprAbtBlPQN6Me3qYy4dYSZAhbvMi8
8c96BYaLNXTyVg87VrKYTjstI2CDhvocamdwVKb1pZ18QnAL07po1M9v4j86KTMS
ZHIfLurAWmVCknGdfewbMTfwpjkhqEnBb3NCkyQEuNh7vCNTBkjQ7mkm/dQJdtkr
qQIDAQAB
-----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 361830049268723109647377258741178228681402
 . . . . . . . . [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 2023-12-11 16:10:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-10 16:10:02 +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:12|false] UTF8String '*.alfasailing.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 28744493113730976112272381042360193790518942575814228545512469325144942531826304629967142249171548616285804778664741437106239213705268072749854916114924448043187756843751782145462167741442372494331372736844620634299771784087076758123068324359921025104180120785899441988033615556776358519446903494204191739877981572623280582890553561854807346289527121265789529385801858893212554631190828157726450834375611404318849824485810648905938008182847248720112938393592174325236553084433931922590383653102322476981460298208309118569944797324514614357952757777345788616573761124418685577624058721101851684617844652646193868385193
 . . . . . . . . . . . . . . . . . . . . [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)
							92374f8d23d73101bbc47d10f9336bca6757c61a
 . . . . . . . . . . . . . . . . [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 (220 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.alfasailing.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.alfasailing.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.stevenvanbemmel.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alfasailing.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alfasailing.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stevenvanbemmel.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alfacom.stevenvanbemmel.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alfaeu.stevenvanbemmel.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mostwonderfultime.stevenvanbemmel.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c59db75c500000403004730450220677b9549c226658d28687d07a52b762dccd084f64ca77eb87274e40112ac49c2022100f6780ac454f935567817659afc7f452304d2eb71b91273080f6339cc3d659f1a007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c59db75e0000004030047304502203087f5c39f6473402ec12fa31ce386247b94b189d1fee33494b1260181090332022100c9f22eb4b7fecb1c028146fa24dc865d543bf241d12504ca424eba4348cb1649
 . . . . [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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