DV SSL/TLS Certificate for abstavploty.cz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the abstavploty.cz DV SSL/TLS Certificate

This certificate with serial number 05:ef:e1:87:9d:77:0b:50:e9:25:a2:1e:27:9a:db:54:50:0f for abstavploty.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 abstavploty.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): 05:ef:e1:87:9d:77:0b:50:e9:25:a2:1e:27:9a:db:54:50:0f
Serial Number (int): 517188695805802995536688155451247658553359
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 1d:79:b6:98:14:96:3e:44:8b:65:98:6c:4f:52:c8:5f:7a:bd:38:1b
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): 90:2f:b7:11:95:ba:ac:91:29:21:f4:80:a9:ff:69:83:33:7b:4f:b4
Fingerprint (SHA-256): d7:70:c2:52:25:95:df:b4:96:d2:d2:9a:02:ff:87:a0:26:0c:c8:62:7a:7f:9b:b5:78:f5:58:b0:e4:f8:91:e9

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/16.crl

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

Advanced Certificate Properties

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

Public Key Algorithm
RSA
Key Size
2048
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 abstavploty.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ZVbX9l90Gv01ygsaWRr
3tLfLGw6Q8sQucgOubQtMbycHe0NwjDXZU+fhmKYeH87Dtupcf0EIjJ0DrXoqCQn
9vsT13yzwc2OMRXL2+sXfmV2hijkh0us0LfXQ6x2SbNfZRXlYucg66TdfbQSlEXp
PrqnZs45wQjz4+tsOpRkZKq8cdBpMuYDWrPmztxzKLT5Vt/Ltj/SS+LJCijsZGOu
RY8nQDmDsIrWXWI3bqPxrxmSPBCtmasYPbRoG4Cc2g9nH3fo2IhYISqgcC18KdCT
z38OEqSxi2DTwHbREhGwOWX8UzAaIVgPBhsm/XfI/JDbqpUjZHDm3XUkNIgiEQfr
VwIDAQAB
-----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 517188695805802995536688155451247658553359
 . . . . . . . . [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 2025-07-05 09:57:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-03 09:57:21 +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 'abstavploty.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27467362825455228620515896842500435575066154079093464784595260024398470369873284380224964561749324683154761611597979838739109297155035231573436152576353726316273779143829417191455360554279941645159243385851631025067873387049425477699317381994528615097789584154203214974850052627022743253431282511533474658174579091244122504446242725110882655058094239002415257808978539131263303652886856518705983971630254615385971455286391248467957543145813128834884066730093786195447015781021210773611321363732474399646810052925772123006468788902120545793491626869479599307294672619785017973692428076169222455048457373607230349765463
 . . . . . . . . . . . . . . . . . . . . [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)
							1d79b69814963e448b65986c4f52c85f7abd381b
 . . . . . . . . . . . . . . . . [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 (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://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 'abstavploty.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.abstavploty.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 (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://r10.c.lencr.org/16.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197da3a72cd0000040300473045022100bfcf48eac5c07560c884c62dcfa8282bd6fa27b7fd4a992ccf7af3ada306e331022059495ae637b09d4cead82d9e0cd7eb9fe74a8b4c04ce54977794ee600ff179560076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000197da3a73050000040300473045022100a091697ae0f793ff4da60169d3fd955e1306a9cf60bf94630556435feb3dd26602205cde44bd63c22f3663a939f1e1c97520098cb17dbfb875f3cb442ceaa25e5873
 . . . . [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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