www.concours-alkindi.fr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:37:40:66:fa:25:77:2d:49:cc:46:a6:3e:f8:d9:43:ec:b0 was issued on by Let's Encrypt.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.concours-alkindi.fr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:37:40:66:fa:25:77:2d:49:cc:46:a6:3e:f8:d9:43:ec:b0
Serial Number (int): 280137993255512886990918244744281974893744
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 95:23:6b:ba:9e:c0:5d:17:0f:f7:4b:98:63:ef:ea:bf:24:1f:fd:84
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:4b:ff:3e:95:ab:d6:9f:81:61:dc:04:5c:73:f5:dd:8e:b8:1b:dd
Fingerprint (sha256): 6c:1d:d6:d6:df:e8:35:5d:06:ea:39:1b:06:a7:62:c4:0d:e3:6a:6b:89:24:54:8e:9d:5c:41:6b:8e:62:d1:03

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.concours-alkindi.fr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.concours-alkindi.fr

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.concours-alkindi.fr

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suite.concours-alkindi.fr
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static4.castor-informatique.fr
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Certificate

The complete raw certificate details for www.concours-alkindi.fr 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 280137993255512886990918244744281974893744
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-27 04:10:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-26 04:10:04 +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 'www.concours-alkindi.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 956184900064096658344452219500663906161464180554240758662640362478329500765993372760286182884841193320426108586023771680225522863808871091930588348376760465843893997536150454078552695273790881179967241216716366652205395772175605521409146617217894844880692395327750594702051156937309105029550417798957707013166876464872038618206751958440870193987204131025346975899255920751719459220392777256058198402496209411160353108800761353172275711281013138403211548832699291148701924963549623106978027732598618137560039555170902828075426149609804615310370791505030268230627339427569083936321435433903639948220647103794505806982384583460817892669071373423628660477233538233343199827825365028088626836302625587007399226458457819951318418627902045386170548340436749893767602288284684951538006102147169506506427145531025170663092844545223170606412989496751246480575269506587667186253217565585076640777783646425271531948947179253858008050997060792807507665376259643210284549049416975998905065089470840707777152595838576880047094993973316845175870495747479127818670740468163926699307482469281858509924681328899216048606344279338188682473687237731387501935678314871561921915373808500000875302227385479932027182655938995926710408463364781519948292469819
 . . . . . . . . . . . . . . . . . . . . [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)
							95236bba9ec05d170ff74b9863efeabf241ffd84
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.concours-alkindi.fr'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fe56822400000040300473045022073cf3e75927319213584594dbb4674d77a466c59a990aca5dbc1569833c91aa9022100daccc48d9ccad6722a351c95019ce2ecaac3a6f12c25251ef6bc13e420be07d8007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fe568222b000004030047304502202aeba73c7a1f56bf9cf851f0952b4eefae20ef6212cc8da79795a60d2eb2ff72022100bd556c24306779a3d3850c85dabe4a4c33bdc66b8252ed32fa425e6df97e5dd8
 . . . . [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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