luximprove.com

Issued by R3

About this certificate

This digital certificate with serial number 04:3a:42:85:9f:c7:86:fc:0b:e8:0f:de:3d:3f:42:a9:e5:e9 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=luximprove.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3a:42:85:9f:c7:86:fc:0b:e8:0f:de:3d:3f:42:a9:e5:e9
Serial Number (int): 368273943872370714064861194133016863696361
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9c:59:34:ce:e4:b0:63:25:ea:6c:6f:48:d5:83:ac:91:63:c0:e5:a3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 91:82:57:3d:1d:7a:01:8c:ba:2d:7d:b7:91:f0:7f:1a:82:7e:eb:19
Fingerprint (sha256): b2:9f:48:ab:18:37:6a:38:bf:ce:72:c2:14:74:17:f6:b2:4b:66:58:51:20:f5:72:4b:a5:08:dd:92:9c:50:29

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

Revocation information

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

Check the revocation status for certificate luximprove.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for luximprove.com

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

luximprove.com
www.luximprove.com

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Certificate

The complete raw certificate details for luximprove.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4zPE0Jyld8xvQmLqNvbs
7VAQVH1UJTyzsuzZwCL1LDgNwT9MIlKEwJ9BDy6dGeZbXQR4/58J05hNoYcZjxRW
pTRQypr3yt4RM0N9vIxXTCXi+2dCtV0uvSprShV7Yz+dVs3oTXehZGn7aWJ0T2zG
4VLCK//+8qB55e6O+Kc8z2aCRajve89ngpeZkIgla15rLtk68sdD9vKqnXBNFOsR
xY9afcJufQ7rAgjsWGOyiKQ5j0k4SeiqMNGRJ+urSzvJIwOEUypLt5IFEesoCdj3
kpq9XYciaRWP1lZIxm+eQ0az8j2YGicTdP5sjQfxUEeCPlmnMZd3j/hP4rATlH73
WQIDAQAB
-----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 368273943872370714064861194133016863696361
 . . . . . . . . [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 2023-12-14 07:46:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-13 07:46:31 +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 'luximprove.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28681623378048664970168198209799251078452397631702924431982760046465538217505597615110391945801698825093885935403743935129462164491361677649687465320390837688748197194783611979294660552795106193204811128846740882733313995597990645963290789279010838668220810105230861183160221731986753906633715914051046521596499903495948515695048175400365228168777799832436469131340793700205195876733468127244515247769960012769185055535280962496660275053966275387532989408691125020366625823470417827089900863064644925270890124528675681148253406411018556781497505383113602423611753692461346935032119264318535374479417657919200005388121
 . . . . . . . . . . . . . . . . . . . . [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)
							9c5934cee4b06325ea6c6f48d583ac9163c0e5a3
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'luximprove.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.luximprove.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c67818cd80000040300473045022100ea603eb458c2865871893be7b0c77fb77f9e5faf490135adc854434dabee386e02206d261db446929f302f5b4b3d4198828c38d45b3c5a406a4de72234b7c07a1374007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c67818ceb0000040300473045022010e1f2cfec317401c7a2a8409717658f0b608aa423ce50845e5ec81a3f2584cb022100ba4ca33f00bb8dd7b08e055755093903367d498798a95dd3934895cd1c438292
 . . . . [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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