DV SSL/TLS Certificate for pizzeriepiccolo.cz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the pizzeriepiccolo.cz DV SSL/TLS Certificate

This certificate with serial number 05:b1:24:fb:88:c5:81:de:56:6a:19:4a:44:d2:b5:0f:1f:b4 for pizzeriepiccolo.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 pizzeriepiccolo.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:b1:24:fb:88:c5:81:de:56:6a:19:4a:44:d2:b5:0f:1f:b4
Serial Number (int): 495840566852222936947112956104405322506164
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 32:0b:a1:3c:61:7b:28:d6:87:d9:52:e4:47:fd:24:d3:9d:ca:ff:02
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): aa:0a:fd:67:30:5e:5b:7a:09:b4:47:5d:91:a3:da:e1:13:92:9b:15
Fingerprint (SHA-256): b2:0b:a9:c0:c6:3e:52:a0:16:3a:ed:81:f4:f1:aa:d0:2f:73:51:0e:8f:4a:a8:53:80:98:a5:9d:be:72:c2:0b

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/53.crl

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

Advanced Certificate Properties

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

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for pizzeriepiccolo.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoD834OQBfFWyL47OwcOC
eaa2tgh18lyg0k/bMfzshWGcTC2Aiz+eszBeX0fBLeEHPyQBc68cn5BHXXve4FGv
grIOnLFoQbZ2Pu25XgzfPgsCiE74IS6mAYlfTI2OdJypA0iSzkLYhMMphb+G34TK
ljtc7dSSuVrhEY2drEwXjvssy+d/emeODkmAdjEeyP/KKTBkejJ7pd1jZHo7snWo
IutOQGcEH3ZJ5VSz9IlvU07BGciN6PIxHm8tXF1wtlP0BPKIH98J8H/Nc/Zvci/k
u95N2MYVu74fP7y986sk7fNqfH1Kl245JHBthY4LxVyJz7rYab4KtLo8vd2QHsN9
TwIDAQAB
-----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 495840566852222936947112956104405322506164
 . . . . . . . . [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 2025-07-01 04:59:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-29 04:59:30 +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 'pizzeriepiccolo.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 20229302887998598723945177794397698833602279476002900769694693799409001494501769194689807313767774615246690829546632457905531615280072686249807277639324171948999044142967328157125968081802293565540497650143234788097088689360422978235698575253565534686293390903603892867060922065352771027950523524764963712141960422325380518454346656217037513984717565144403040025563723989605882094383212715313864960328779392083759020282838728198369535149111887101494098170912752004571657588457385905003220009768499059199087770844543745938087514691680518739158222224670704611575393362616255920986512203682809582247135286165731125984591
 . . . . . . . . . . . . . . . . . . . . [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)
							320ba13c617b28d687d952e447fd24d39dcaff02
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pizzeriepiccolo.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pizzeriepiccolo.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/53.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)
							00f0007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197c4904ffe000004030046304402207e1184b61979debb8dddb6ea851b0dcf0d08f750bb2bdf04c415eb2fbd63a33b02201f8ce9dc629ea373a015913ba69537bd866125870bc8d3140b9bd269dd144a840077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197c49057cf0000040300483046022100a852c4fc170ec70157f491c271481622a2fed3a128f524db4a1643847c86b96b022100f3d79c990166a49814e0423081d3e9971146ebe753c94f488f9e8da2c24598dd
 . . . . [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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