DV SSL/TLS Certificate for cardent.pl

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the cardent.pl DV SSL/TLS Certificate

This certificate with serial number 06:ea:da:f7:c4:88:a0:83:56:d7:a3:43:24:1b:20:98:84:d8 for cardent.pl was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for cardent.pl provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:ea:da:f7:c4:88:a0:83:56:d7:a3:43:24:1b:20:98:84:d8
Serial Number (int): 602590847636643238891512801648752840967384
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 79:c7:5f:db:f6:70:44:3a:fb:19:25:b0:d0:48:41:fd:0a:78:f9:6d
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): f7:6b:2d:65:de:6f:4c:a3:46:0e:48:41:b2:86:e4:85:74:62:ba:79
Fingerprint (SHA-256): ac:df:36:59:99:eb:6b:fb:8e:26:69:be:76:dd:95:c3:04:76:15:94:b6:57:0a:01:b1:a4:33:fd:f8:bc:66:c4

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/89.crl

Check the revocation status for certificate cardent.pl
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for cardent.pl

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for cardent.pl 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 602590847636643238891512801648752840967384
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-22 08:22:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-20 08:22:47 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cardent.pl'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 627085772357629367122922826247166342020549412007782060340308443354861146079708248347191654423096903715331600720826410801780390878026548570238239157359944549580529370803157211455126783217487593778643330975838382237345188492248905456377175280571969284274438430767124271380095052465321858901305883061659744423732502002111070571000464684168725156186263764773476901268878733851823758564374979064671753602655931431790299061265942757393880927207292142218972662173508142419833336554744412058048712243330808708477505209200279091344236429205453336590320648494775862138779527957146842953397328276065115394762970083131326364974854100427409568762317636520440910938743395757667443982830861900441840983079433322500804196728105394492782281521885961494754808989819451025932851985290608130654103047252681472768780959744622020733402868153758027484481874793597659555588842939899257112915253351434926257047600724668031531768409620819294259176029841078033379917122361397936790523282121358658445326741119311948027246747173870262774623698602626326417434956357953079653553735676899281751806675118228248662028008168013480876853278582873894168114890969146058820997504220227754681552144521888210754197916639577585548972086902482581731178507496473646448399600017
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							79c75fdbf670443afb1925b0d04841fd0a78f96d
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cardent.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cardent.pl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/89.crl'
 . . . . . . . . . . . . . . . . [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)
							00f1007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019796f1300900000403004730450221008464e3d154476c028f1eac4c40fe00900df5927cedc089cde8a2956f68b0eabd022023ba3077228186d59d38dea16fe43aa9ef45bd5790521bbeded95252a1c4d03300770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019796f130100000040300483046022100c9f2f36900aa2ec1ce55a0157a1259792cc7bd173e464fb5853e56c5556f366d022100d940126f8e81a7bead6dd42c0917f8278aeeb51f770a0c88e03b7ddeba1c47f4
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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