rudspizza.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:96:ac:11:97:bc:51:18:0b:90:72:e2:4c:41:84:0d:99:83 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=rudspizza.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:96:ac:11:97:bc:51:18:0b:90:72:e2:4c:41:84:0d:99:83
Serial Number (int): 312607931395306952140296799361546746435971
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:cf:25:ef:f0:be:a0:0b:3e:c9:1f:f4:ae:06:db:6c:37:4d:62:30
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5c:2d:32:3a:a8:3a:ea:6f:b3:4f:16:56:c3:b8:7d:c8:d8:93:11:ed
Fingerprint (sha256): e9:a8:39:c9:46:99:22:58:fd:99:d0:93:d7:3d:bc:d7:95:81:5c:bd:e6:ab:fc:1e:05:77:94:c1:d3:3a:3a:84

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

Revocation information

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

Check the revocation status for certificate rudspizza.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rudspizza.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

rudspizza.cz
www.rudspizza.cz

Other certificates including the domain name rudspizza.cz

(limited to 100 certificates)
lp.mintice.net
tables.doodlestaging.co.uk
prace.rudspizza.cz
rudspizza.cz
rudspizza.cz
distri-metal.fr

Certificate

The complete raw certificate details for rudspizza.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2IaTX2ZLxbbMUafYpvfJ
4KMUNh2CeK5Oc+/b2qFv0wBSMzj3OoBgSUgzWVPxCe/HW5fT3J8Ok9R60BnTR6Ma
1UIlQX+eqbhzJ3Mzw7gv+6yqkEFMueiZL5op+03p12MVMZZbLh2K2U8WNO+KGIll
ygAE3C/oMa3nzMndPOb2DQXqpNJV34XUc3K+J7Rf+rPTbF86brfSUlRBD3Tu4KM+
ALCDyA4aAvgXQudzBvMkDbHiQRmE/2CRbaOWAW/T94z1bWya+fqP6Wl+gfz9JR3w
dGkR5fcFPv0n9sn8X1WSW1n5u0e6BA9l4uWhJoJFwKWfKqynYudN81kfPy9Lkv7g
9QIDAQAB
-----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 312607931395306952140296799361546746435971
 . . . . . . . . [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 2023-09-25 21:55:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-24 21:55:29 +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 'rudspizza.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 (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 27333835611067079517772303066060413842680918231149652822699469974520646745186959959221917041188055558893278302544892701908106889562154621725346602963807431336178632688099841837958506471020508228226477309076168103685059491746106671891437239807028652263430546330513049326843470362978051932186339976587753530944415046315200890512818063582172411002992649410999960157893149621733502989854814524831751555488517358968759221583876728345392559872725425302807704451634702846521087314107845799662814938146953028208115692328805098425435351394442000851206188276704392189621949399547280427411140322223152841517337275130245772402933
 . . . . . . . . . . . . . . . . . . . . [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)
							8ccf25eff0bea00b3ec91ff4ae06db6c374d6230
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rudspizza.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rudspizza.cz'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ace8e0d6b0000040300483046022100e4e32789ba69850840679b337371a1c5d4b769878c114e01f3901487e47d3220022100b3d2cfff1c18ce2ab88efa4616ff1afbd21206c713f1cba5d9384a60918bc0960076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ace8e0f760000040300473045022013a19ab58b44b98220ac1ee772fcdf7bf9e887f7c392a9324cc8b4d8288e3ae9022100ad3004e57f4870ee0892073697932e07fa0f53b46a02e29b26ef9eebf9dc022e
 . . . . [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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