flku.com

Issued by R3

About this certificate

This digital certificate with serial number 04:a7:bd:d5:a9:4e:5e:1e:00:a0:f3:6f:16:c1:3d:b1:ab:9e was issued on by Let's Encrypt.

With 2 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=flku.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a7:bd:d5:a9:4e:5e:1e:00:a0:f3:6f:16:c1:3d:b1:ab:9e
Serial Number (int): 405528632487208074558054589151950694099870
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9b:31:20:27:7f:1c:1a:02:a9:51:4f:6d:57:7d:ad:1d:a9:5d:ec:b0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 54:1b:74:98:f7:12:3f:71:6c:e9:e5:58:38:da:d1:fa:75:a8:04:d6
Fingerprint (sha256): a4:62:4e:e5:95:c7:ba:72:a3:54:c6:34:bf:46:69:5e:1c:0d:d8:ba:44:6e:31:3e:12:0e:b0:d3:ea:ca:73:f8

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

Revocation information

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

Check the revocation status for certificate flku.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flku.com

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

flku.com
www.flku.com

Other certificates including the domain name flku.com

(limited to 100 certificates)
flku.com
flku.com
capitalsweet.com
couturefloral.com
www.flku.com
www.koin2kredit.com
slotsau.com
emsuniforms.com
escrowautomotriz.com
www.villavia.com
easycashday.com
www.enlightu.com
fredericksburgparent.com
www.chinartv.com
flku.com
www.citidirectory.com
bullport.com
jeremyarnott.com
www.moldremovalproducts.com
flku.com
qualtrex.com
www.legittokens.com
equineplasticproducts.com
www.doublebubble.top

Certificate

The complete raw certificate details for flku.com 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 405528632487208074558054589151950694099870
 . . . . . . . . [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 2023-12-24 19:02:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-23 19:02:04 +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 'flku.com'
 . . . . . . . . [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 786102071833567713440806666636373437329659556983408892645585493193242728589164381420873776047237952250736425881804858600538276687470808609831245705047128866287335222180059870069572647663705844378082055311776616594202450445666245421223067282668056212977879369845509171751517070499196983462039834346107862649142424585728399299332655219603158765209409603280063059582828936554636248219060902907409738830596377992829219470125697826812338836693480707204623365184915815877112576717167244625445865100082383991610238036663113652120326858012116834626079335002223237611416163038494016656535061550923699366202381225879700271000257546138958927377750636297554563378267088126479559488586875707381198660796081267008222693665737164444178733796397346560442861321568315679268105721582078523609629780370220360511017993311562575917578136258649559269283800121719333507970597656444202212276837411675775112214867643129754490905162910340258058231086233616835853707977672146406869778969422849112909124144721346569784549444414571605029724627361916171433896820853672610545086732285064237767012949786729043063856755044777204689995731457324363775396679182433350307903135335468944693713083610194330021913478080162018776092220362297456268556241749704874608060430519
 . . . . . . . . . . . . . . . . . . . . [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)
							9b3120277f1c1a02a9514f6d577dad1da95decb0
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flku.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.flku.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c9d6b9fde000004030047304502204c92ccb29b00fef7f02dd69edd70f1bd8e94490950d78e6f3e3171b48a842759022100a67a6806a58c1d06f554702cf4b60eeaee450667ddaf2b237ee70784d75539c80077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c9d6ba1c00000040300483046022100822738585347785aff40d62fc0dc7c19089dfafddacd4ada0a7b81e0146c9f9d0221009067d7d7517848fd1b2c9935aa391a906f1400ae5d818c20a17621dec1468b17
 . . . . [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)
		004aef4a4c85b8c0ab4564a65de86c53f789b35556c630d276bdb233cbdfa69f4740c9b669016a0a0f85a736c0db2d8fe0c0f85f6f53b0511f073515473d3c11b33d396b4aa2496f6547abeb54850cffc72fcb47053422aa75389049af42c2555f3b559cbd69cbaa0dd042c5b58430f2fe71e21b05e52247ed37873a2c51c3aa8d4a9b93e0f1f876a800e03ae3caa093a7462cad70257ab4e7eb27f860f42b415133139cb467c35fab2537859e621d07cc9c8ee232d534125675db419b807294739d2d571790364d751ba668d621a7eef80d93935e2dff678e157e547b038432d4d8fde1e16951e1d52a6313ed20907b9d0998faa9233388a4706f72ee44220c76