DV SSL/TLS Certificate for koneclopate.cz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the koneclopate.cz DV SSL/TLS Certificate

This certificate with serial number 06:ef:30:0d:23:7b:a5:d0:d3:d2:26:c9:21:5a:fb:9f:a2:fc for koneclopate.cz 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 koneclopate.cz 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:ef:30:0d:23:7b:a5:d0:d3:d2:26:c9:21:5a:fb:9f:a2:fc
Serial Number (int): 604065072448003327162698400910794498745084
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: d2:f8:93:2d:44:3f:10:7d:c4:3a:25:6b:1b:86:15:14:63:e1:aa:cd
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 1d:a5:ce:19:5b:e6:d0:74:ef:e9:b4:a0:e3:bc:af:23:69:09:d4:da
Fingerprint (SHA-256): f6:43:d2:20:44:c5:e1:72:ca:72:17:f3:7b:fb:0c:b0:ca:7e:08:d1:9a:3a:b0:ba:b6:60:78:35:85:dd:05:c8

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

OCSP Server: http://r10.o.lencr.org
CRL Distribution Point: http://r10.c.lencr.org/125.crl

Check the revocation status for certificate koneclopate.cz
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for koneclopate.cz

Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 koneclopate.cz 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 604065072448003327162698400910794498745084
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-05 21:33:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-03 21:33:06 +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 'koneclopate.cz'
 . . . . . . . . [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 635952519376817821511796711140912387784775162518091749761260128051332161007757395841939478320389987358414346343384077851219938462900029915586059508747563199469056731810614389997347202949032995023820757487060880890227308256241229892882959660577534679615041055817423958342043909482849307598372750420458298397111914739900054684613463251438682668476580757496434470447529018148552963209941949056990049782344462223065798842721483066227067874857435673705562024887564806628479956760101920327430854567016631074656670365725710930330395176711972849041017021726696655065250418555963506273371222452024644681667137526377004120015472954592635054375690212915424445535100417744053988715420623159119082256116988184128806884134454758330778011904013196249754277860726754057265706927816589814765801297526337731298592778744896566425021053036968872164990020416483247407533801804671891554983552724993234278294064115396346467073648405134034759635480167044498888688344587187743026719213759028518264192861176553868438765698651197719735910448405266889998546952593828139619725731502672802285210072678875514619289880169912850038303479233565228767217377910648079650076157455028308805893180671603714568246925133026293192046601186857067762163764484519590294528352337
 . . . . . . . . . . . . . . . . . . . . [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)
							d2f8932d443f107dc43a256b1b86151463e1aacd
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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 (75 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'koneclopate.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.koneclopate.cz'
 . . . . . . . . . . . . . . . . [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 (40 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://r10.c.lencr.org/125.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196a2937f010000040300473045022052f7016989f35d0b129d23dffd11c276021ed6eaf7bf97e2c83b14be7f3e705202210084130591263db9f0ad98939d5e07404016c0844a4ecad997e47e33750e10ee480075001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000196a2937f8e00000403004630440220273770316ca54e9e89842faf0f1f299c415621d66a714b5079f8c9c15319347002200e83dee3c3f8daa196822cc93f804824477455620a78fcfab304e996521dc77c
 . . . . [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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