f31.fr

Issued by R3

About this certificate

This digital certificate with serial number 03:46:88:42:7c:86:83:b4:07:ad:8f:f4:96:4d:fa:95:6e:21 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): 03:46:88:42:7c:86:83:b4:07:ad:8f:f4:96:4d:fa:95:6e:21
Serial Number (int): 285337743704441969048557227630968729595425
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1d:f9:1f:6c:ba:12:61:bb:d3:03:ca:97:03:e1:cc:a8:d5:1c:cb:b6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 72:63:f1:fa:13:41:7f:e7:83:28:a3:fd:38:f0:2e:90:69:6f:c6:7a
Fingerprint (sha256): d7:a3:a8:53:cc:03:23:b9:03:f0:cd:24:2a:ef:61:fb:03:f9:90:d4:b6:1f:8e:8f:1a:35:50:17:8b:f7:ad:af

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-----
MIIFJzCCBA+gAwIBAgISA0aIQnyGg7QHrY/0lk36lW4hMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMTEwNDQyNTZaFw0yNDAyMDkwNDQyNTVaMBExDzANBgNVBAMT
BmYzMS5mcjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALe5KIQbgHYF
c1aMWsnEI3zxhYBqvkfk//t40rATIEF1TcpSs8B3bkEbeANxuQCjJxnQ6i72tzOD
vIOzhTPtQuZnV1gBwP8WmQqPAsWYBzmAc2EyONh5EYIT3abrrCq/X+bXCTQLGJZ9
B+ZrndT+CA1o2WAIN8rpsAvucnhKxQZdQIEfqkqXgG1dsPAX3nWhl8nTCVsY35EW
BoWGoFMtYS1GuQsLCyYe5j2M9zKKCrzcF39gc+hEm92hXdZXdANIaevGXwO02wyZ
tkse4vXtwofYZPhbSQ8iMSLmLKD1srl/8hpQJubC1vusgsAkHQsjbXO0s4RHXXXj
V/098LX/GrsCAwEAAaOCAlYwggJSMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUHfkf
bLoSYbvTA8qXA+HMqNUcy7YwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsU
wsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5j
ci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wXwYDVR0R
BFgwVoIHZjMxLmNvbYIGZjMxLmZyghJmaW5hbmNlM3BvaW50MS5jb22CC3d3dy5m
MzEuY29tggp3d3cuZjMxLmZyghZ3d3cuZmluYW5jZTNwb2ludDEuY29tMBMGA1Ud
IAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYASLDja9qm
RzQP5WoC+p0w6xxSActW3SyB2bu/qznYhHMAAAGLvOeZMgAABAMARzBFAiA8Vbvy
OAqDRUdUuF3W5KqXzP+FYIyfoErncAyrt2sk0wIhAMwzbJx5Rgiog/485UWo1MdL
no3NC0+n8ocbefhYz/9YAHYA7s3QZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEf
tZsAAAGLvOeZNgAABAMARzBFAiBJQe0G4UmBD6GCxwLNKcfxupWUrv8pDK5I/nf1
vKynbwIhAJysHshciQ+46SAu0G4MSw7o3LKs0LQ4LLkCoelEdUWnMA0GCSqGSIb3
DQEBCwUAA4IBAQCL/bUdyJTeV/m+UIzCtkELnjdXHCVTXLJ2BOr/H4ava6VX1z4z
4LBTmbE15oej+e486tPNZG0sA5GUw1bFXbfA4NbLX1VUba/JEI55953cvv1Zrni2
YpkSt0DUFgRhds26HjibNd8VZd6RSjm46FhH9GpsmNACJDINkb1glC8lTSZhvhBQ
D/7fDPvXXTiCXtrjty0JOO11oj/0kH4h4KuRLw/uAM3enDfYHJ0W8/zPs9UVU+mq
iCn6xTjpaNmwuQGKctUV8Z+mIEbnRMch7BUFkRLydQTh87hR0RK1TQh+UsT8rPOg
b7FBCkfaFNyY3UmZXup6B59Hp5KW1BC1MdY/
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt7kohBuAdgVzVoxaycQj
fPGFgGq+R+T/+3jSsBMgQXVNylKzwHduQRt4A3G5AKMnGdDqLva3M4O8g7OFM+1C
5mdXWAHA/xaZCo8CxZgHOYBzYTI42HkRghPdpuusKr9f5tcJNAsYln0H5mud1P4I
DWjZYAg3yumwC+5yeErFBl1AgR+qSpeAbV2w8BfedaGXydMJWxjfkRYGhYagUy1h
LUa5CwsLJh7mPYz3MooKvNwXf2Bz6ESb3aFd1ld0A0hp68ZfA7TbDJm2Sx7i9e3C
h9hk+FtJDyIxIuYsoPWyuX/yGlAm5sLW+6yCwCQdCyNtc7SzhEdddeNX/T3wtf8a
uwIDAQAB
-----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 285337743704441969048557227630968729595425
 . . . . . . . . [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 2023-11-11 04:42:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-09 04:42:55 +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 23192914752636267342944572979516564054180576604766896970554226614667840605089674380711194854736036084217497851343262784891371854455205544339654255788129950101119274714542645375008656160024570737914779300957944106683790508252791305809764131227224323468197527215248996320730271124415261308772827481403409115174222599399872514891810063300922576274163406327348631142522328105865278003160361347747105066929056739631114897590782284348564190624748244803092292394479218535314945672127694938281962008365973344276498807593598555717606723834154739099839094207324295712562434265646483623945122959880083621264890350846800633469627
 . . . . . . . . . . . . . . . . . . . . [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)
							1df91f6cba1261bbd303ca9703e1cca8d51ccbb6
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bbce79932000004030047304502203c55bbf2380a83454754b85dd6e4aa97ccff85608c9fa04ae7700cabb76b24d3022100cc336c9c794608a883fe3ce545a8d4c74b9e8dcd0b4fa7f2871b79f858cfff58007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bbce79936000004030047304502204941ed06e149810fa182c702cd29c7f1ba9594aeff290cae48fe77f5bcaca76f0221009cac1ec85c890fb8e9202ed06e0c4b0ee8dcb2acd0b4382cb902a1e9447545a7
 . . . . [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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