f31.fr

Issued by R3

About this certificate

This digital certificate with serial number 04:63:a2:22:df:f4:55:b6:5e:54:51:ff:53:3b:15:df:c8:0b 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=f31.fr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:63:a2:22:df:f4:55:b6:5e:54:51:ff:53:3b:15:df:c8:0b
Serial Number (int): 382352614067959780988514342457617095313419
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 95:35:2b:cf:c9:d1:01:60:6f:f2:2f:3a:36:6c:7f:d5:07:52:1c:7e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d5:8a:23:77:e4:50:57:7b:70:60:30:c8:de:92:6c:47:98:68:04:78
Fingerprint (sha256): 65:33:2e:1a:63:02:a2:46:3f:5e:b1:ce:d9:91:8a:fc:6f:de:ac:09:49:ed:af:52:24:83:6c:66:30:6d:6c:82

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

Revocation information

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

Check the revocation status for certificate f31.fr

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for f31.fr

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

f31.com
f31.fr
finance3point1.com
www.f31.com
www.f31.fr
www.finance3point1.com

Other certificates including the domain name f31.fr

(limited to 100 certificates)
f31.fr
f31.fr
f31.fr
f31.fr
f31.fr
f31.fr
f31.fr

Certificate

The complete raw certificate details for f31.fr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAofr3iTmTLBMFzOV8PY6x
ZICrfGGecko8p6t7Te7k0XhoSJeZ6/nWP/LrmYUzVVjBT2PSPHx+q2g84rd8192c
/Wk4E/bkUt9LI9/83nsHZgd1SL1YnfJTdBVSHcJz2G9yLteijUOc2JrRyt2F0nM7
dylv7xfFCjtmzlGin0picQMuqVVywXs3jpx/MO9gQNW1AO+XoyRCulFVXe4njWZh
w49AMFuCaiYwrP31YqbG5AgGEXFanNjjBddi5hhWn/nWH2muWOlirUNBu0drz87w
Ud8T6HyqbMIvMRn8CeQHsepHlK11DOYAjDeDK5/ELPyXvNr34QbhCi/+jufMRNqw
NQIDAQAB
-----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 382352614067959780988514342457617095313419
 . . . . . . . . [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 2024-01-10 20:59:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-09 20:59:08 +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 'f31.fr'
 . . . . . . . . [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 20448123508948211775153362502172373373410850112969359559999187125498139916775380194293843379260422657209723896147229290712477909909885248608971817281708501127120388289696114052479333631892517180107818478733885874396446902039976825989286382008660682885346126668035412723810549961447831543610586452571745606282605332742690231045462536138425688537941696567219721686293521812080808431035012903525585942727366111844935695551298686380988399790572963332970639490422607695755529228048945461384068956495372760611852422960517040979752039312100255661019030006462273134770989345057087200422547518044179382530848211787033911930933
 . . . . . . . . . . . . . . . . . . . . [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)
							95352bcfc9d101606ff22f3a366c7fd507521c7e
 . . . . . . . . . . . . . . . . [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 (88 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'f31.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'f31.fr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'finance3point1.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.f31.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.f31.fr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.finance3point1.com'
 . . . . . . . . . . . . . . . . [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)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cf562e92500000403004630440220253546c922fe388d8a9cd01838fed9246c4b1a0b41b36078c2388da009aeef87022077fc06e13c76d2587f34ccc077ffe81cef091efe7e5d72fde7b00eacb313440600760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cf562e929000004030047304502210088c1b73ebf9f45eba4699176c2fcac49c9d76a41fa66201d1214a32be01b7180022055d7541e9bc3d0a7df6285851a876beb8f499e731bc10eb8dacb26732f1c878d
 . . . . [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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